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22 vulnerabilities found for by Python
CVE-2024-9287 (GCVE-0-2024-9287)
Vulnerability from cvelistv5
Published
2024-10-22 16:34
Modified
2025-11-03 22:33
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-428 - Unquoted Search Path or Element
Summary
A vulnerability has been found in the CPython `venv` module and CLI where path names provided when creating a virtual environment were not quoted properly, allowing the creator to inject commands into virtual environment "activation" scripts (ie "source venv/bin/activate"). This means that attacker-controlled virtual environments are able to run commands when the virtual environment is activated. Virtual environments which are not created by an attacker or which aren't activated before being used (ie "./venv/bin/python") are not affected.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Python Software Foundation | CPython |
Version: 0 Version: 3.10.0 Version: 3.11.0 Version: 3.12.0 Version: 3.13.0 Version: 3.14.0a1 |
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CVE-2024-6232 (GCVE-0-2024-6232)
Vulnerability from cvelistv5
Published
2024-09-03 12:29
Modified
2025-11-03 22:32
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-1333 - Inefficient Regular Expression Complexity
Summary
There is a MEDIUM severity vulnerability affecting CPython.
Regular expressions that allowed excessive backtracking during tarfile.TarFile header parsing are vulnerable to ReDoS via specifically-crafted tar archives.
References
| URL | Tags | |||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Python Software Foundation | CPython |
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CVE-2024-7592 (GCVE-0-2024-7592)
Vulnerability from cvelistv5
Published
2024-08-19 19:06
Modified
2025-11-03 22:32
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-400 - Uncontrolled Resource Consumption
Summary
There is a LOW severity vulnerability affecting CPython, specifically the
'http.cookies' standard library module.
When parsing cookies that contained backslashes for quoted characters in
the cookie value, the parser would use an algorithm with quadratic
complexity, resulting in excess CPU resources being used while parsing the
value.
References
| URL | Tags | |||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Python Software Foundation | CPython |
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CVE-2024-28219 (GCVE-0-2024-28219)
Vulnerability from cvelistv5
Published
2024-04-03 00:00
Modified
2025-11-04 18:30
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
In _imagingcms.c in Pillow before 10.3.0, a buffer overflow exists because strcpy is used instead of strncpy.
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CVE-2023-45803 (GCVE-0-2023-45803)
Vulnerability from cvelistv5
Published
2023-10-17 19:43
Modified
2025-11-03 21:49
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Summary
urllib3 is a user-friendly HTTP client library for Python. urllib3 previously wouldn't remove the HTTP request body when an HTTP redirect response using status 301, 302, or 303 after the request had its method changed from one that could accept a request body (like `POST`) to `GET` as is required by HTTP RFCs. Although this behavior is not specified in the section for redirects, it can be inferred by piecing together information from different sections and we have observed the behavior in other major HTTP client implementations like curl and web browsers. Because the vulnerability requires a previously trusted service to become compromised in order to have an impact on confidentiality we believe the exploitability of this vulnerability is low. Additionally, many users aren't putting sensitive data in HTTP request bodies, if this is the case then this vulnerability isn't exploitable. Both of the following conditions must be true to be affected by this vulnerability: 1. Using urllib3 and submitting sensitive information in the HTTP request body (such as form data or JSON) and 2. The origin service is compromised and starts redirecting using 301, 302, or 303 to a malicious peer or the redirected-to service becomes compromised. This issue has been addressed in versions 1.26.18 and 2.0.7 and users are advised to update to resolve this issue. Users unable to update should disable redirects for services that aren't expecting to respond with redirects with `redirects=False` and disable automatic redirects with `redirects=False` and handle 301, 302, and 303 redirects manually by stripping the HTTP request body.
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CVE-2023-43804 (GCVE-0-2023-43804)
Vulnerability from cvelistv5
Published
2023-10-04 16:01
Modified
2025-11-03 21:49
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Summary
urllib3 is a user-friendly HTTP client library for Python. urllib3 doesn't treat the `Cookie` HTTP header special or provide any helpers for managing cookies over HTTP, that is the responsibility of the user. However, it is possible for a user to specify a `Cookie` header and unknowingly leak information via HTTP redirects to a different origin if that user doesn't disable redirects explicitly. This issue has been patched in urllib3 version 1.26.17 or 2.0.5.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Impacted products
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CVE-2023-40217 (GCVE-0-2023-40217)
Vulnerability from cvelistv5
Published
2023-08-25 00:00
Modified
2025-11-03 21:49
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
An issue was discovered in Python before 3.8.18, 3.9.x before 3.9.18, 3.10.x before 3.10.13, and 3.11.x before 3.11.5. It primarily affects servers (such as HTTP servers) that use TLS client authentication. If a TLS server-side socket is created, receives data into the socket buffer, and then is closed quickly, there is a brief window where the SSLSocket instance will detect the socket as "not connected" and won't initiate a handshake, but buffered data will still be readable from the socket buffer. This data will not be authenticated if the server-side TLS peer is expecting client certificate authentication, and is indistinguishable from valid TLS stream data. Data is limited in size to the amount that will fit in the buffer. (The TLS connection cannot directly be used for data exfiltration because the vulnerable code path requires that the connection be closed on initialization of the SSLSocket.)
References
| URL | Tags | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2023-27043 (GCVE-0-2023-27043)
Vulnerability from cvelistv5
Published
2023-04-18 00:00
Modified
2025-11-03 21:47
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
The email module of Python through 3.11.3 incorrectly parses e-mail addresses that contain a special character. The wrong portion of an RFC2822 header is identified as the value of the addr-spec. In some applications, an attacker can bypass a protection mechanism in which application access is granted only after verifying receipt of e-mail to a specific domain (e.g., only @company.example.com addresses may be used for signup). This occurs in email/_parseaddr.py in recent versions of Python.
References
| URL | Tags | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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"datePublished": "2023-04-18T00:00:00.000Z",
"dateReserved": "2023-02-27T00:00:00.000Z",
"dateUpdated": "2025-11-03T21:47:33.100Z",
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CVE-2023-24329 (GCVE-0-2023-24329)
Vulnerability from cvelistv5
Published
2023-02-17 00:00
Modified
2025-11-03 21:47
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
An issue in the urllib.parse component of Python before 3.11.4 allows attackers to bypass blocklisting methods by supplying a URL that starts with blank characters.
References
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},
{
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"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PEUN6T22UJFXR7J5F6UUHCXXPKJ2DVHI/"
},
{
"name": "VU#127587",
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"url": "https://www.kb.cert.org/vuls/id/127587"
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"name": "[debian-lts-announce] 20230920 [SECURITY] [DLA 3575-1] python2.7 security update",
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CVE-2022-40897 (GCVE-0-2022-40897)
Vulnerability from cvelistv5
Published
2022-12-22 00:00
Modified
2025-11-04 16:09
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
Python Packaging Authority (PyPA) setuptools before 65.5.1 allows remote attackers to cause a denial of service via HTML in a crafted package or custom PackageIndex page. There is a Regular Expression Denial of Service (ReDoS) in package_index.py.
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
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CVE-2022-45061 (GCVE-0-2022-45061)
Vulnerability from cvelistv5
Published
2022-11-09 00:00
Modified
2025-11-03 21:46
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
An issue was discovered in Python before 3.11.1. An unnecessary quadratic algorithm exists in one path when processing some inputs to the IDNA (RFC 3490) decoder, such that a crafted, unreasonably long name being presented to the decoder could lead to a CPU denial of service. Hostnames are often supplied by remote servers that could be controlled by a malicious actor; in such a scenario, they could trigger excessive CPU consumption on the client attempting to make use of an attacker-supplied supposed hostname. For example, the attack payload could be placed in the Location header of an HTTP response with status code 302. A fix is planned in 3.11.1, 3.10.9, 3.9.16, 3.8.16, and 3.7.16.
References
| URL | Tags | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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|
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CVE-2022-42919 (GCVE-0-2022-42919)
Vulnerability from cvelistv5
Published
2022-11-06 00:00
Modified
2025-11-03 21:46
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
Python 3.9.x before 3.9.16 and 3.10.x before 3.10.9 on Linux allows local privilege escalation in a non-default configuration. The Python multiprocessing library, when used with the forkserver start method on Linux, allows pickles to be deserialized from any user in the same machine local network namespace, which in many system configurations means any user on the same machine. Pickles can execute arbitrary code. Thus, this allows for local user privilege escalation to the user that any forkserver process is running as. Setting multiprocessing.util.abstract_sockets_supported to False is a workaround. The forkserver start method for multiprocessing is not the default start method. This issue is Linux specific because only Linux supports abstract namespace sockets. CPython before 3.9 does not make use of Linux abstract namespace sockets by default. Support for users manually specifying an abstract namespace socket was added as a bugfix in 3.7.8 and 3.8.3, but users would need to make specific uncommon API calls in order to do that in CPython before 3.9.
References
| URL | Tags | |||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2020-10735 (GCVE-0-2020-10735)
Vulnerability from cvelistv5
Published
2022-09-09 00:00
Modified
2025-11-03 21:44
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- DoS
Summary
A flaw was found in python. In algorithms with quadratic time complexity using non-binary bases, when using int("text"), a system could take 50ms to parse an int string with 100,000 digits and 5s for 1,000,000 digits (float, decimal, int.from_bytes(), and int() for binary bases 2, 4, 8, 16, and 32 are not affected). The highest threat from this vulnerability is to system availability.
References
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CVE-2021-4189 (GCVE-0-2021-4189)
Vulnerability from cvelistv5
Published
2022-08-24 00:00
Modified
2025-11-03 21:45
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- Not-Known
Summary
A flaw was found in Python, specifically in the FTP (File Transfer Protocol) client library in PASV (passive) mode. The issue is how the FTP client trusts the host from the PASV response by default. This flaw allows an attacker to set up a malicious FTP server that can trick FTP clients into connecting back to a given IP address and port. This vulnerability could lead to FTP client scanning ports, which otherwise would not have been possible.
References
| URL | Tags | ||||||||||||||||||||||||||||
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Impacted products
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CVE-2021-28861 (GCVE-0-2021-28861)
Vulnerability from cvelistv5
Published
2022-08-23 00:00
Modified
2025-11-03 21:44
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
Python 3.x through 3.10 has an open redirection vulnerability in lib/http/server.py due to no protection against multiple (/) at the beginning of URI path which may leads to information disclosure. NOTE: this is disputed by a third party because the http.server.html documentation page states "Warning: http.server is not recommended for production. It only implements basic security checks."
References
| URL | Tags | |||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2015-20107 (GCVE-0-2015-20107)
Vulnerability from cvelistv5
Published
2022-04-13 00:00
Modified
2025-11-03 21:43
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
In Python (aka CPython) up to 3.10.8, the mailcap module does not add escape characters into commands discovered in the system mailcap file. This may allow attackers to inject shell commands into applications that call mailcap.findmatch with untrusted input (if they lack validation of user-provided filenames or arguments). The fix is also back-ported to 3.7, 3.8, 3.9
References
| URL | Tags | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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},
{
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{
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"value": "In Python (aka CPython) up to 3.10.8, the mailcap module does not add escape characters into commands discovered in the system mailcap file. This may allow attackers to inject shell commands into applications that call mailcap.findmatch with untrusted input (if they lack validation of user-provided filenames or arguments). The fix is also back-ported to 3.7, 3.8, 3.9"
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{
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{
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{
"name": "FEDORA-2022-5ad25e3d3c",
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{
"name": "FEDORA-2022-cece1d07d9",
"tags": [
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"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ERYMM2QVDPOJLX4LYXWYIQN5FOIJLDRY/"
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{
"name": "FEDORA-2022-2e1d1205cf",
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},
{
"name": "FEDORA-2022-4b0dfda810",
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"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/46KWPTI72SSEOF53DOYQBQOCN4QQB2GE/"
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{
"name": "FEDORA-2022-1358cedf2d",
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{
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{
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{
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{
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{
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{
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{
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{
"name": "FEDORA-2022-ce55d01569",
"tags": [
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"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PTTZGLD2YBMMG6U6F5HOTPOGGPBIURMA/"
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{
"name": "FEDORA-2022-b499f2a9c6",
"tags": [
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"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/53TQZFLS6O3FLIMVSXFEEPZSWLDZLBOX/"
},
{
"name": "FEDORA-2022-d1682fef04",
"tags": [
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"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WXF6MQ74HVIDDSR5AE2UDR24I6D4FEPC/"
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{
"name": "FEDORA-2022-79843dfb3c",
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"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IFGV7P2PYFBMK32OKHCAC2ZPJQV5AUDF/"
},
{
"url": "https://python-security.readthedocs.io/vuln/mailcap-shell-injection.html"
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{
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},
{
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CVE-2021-3733 (GCVE-0-2021-3733)
Vulnerability from cvelistv5
Published
2022-03-07 00:00
Modified
2025-11-03 21:45
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-400 - - Uncontrolled Resource Consumption
Summary
There's a flaw in urllib's AbstractBasicAuthHandler class. An attacker who controls a malicious HTTP server that an HTTP client (such as web browser) connects to, could trigger a Regular Expression Denial of Service (ReDOS) during an authentication request with a specially crafted payload that is sent by the server to the client. The greatest threat that this flaw poses is to application availability.
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
{
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{
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{
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CVE-2021-3737 (GCVE-0-2021-3737)
Vulnerability from cvelistv5
Published
2022-03-04 00:00
Modified
2025-11-03 21:45
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-835 - - Loop with Unreachable Exit Condition ('Infinite Loop'), CWE-400 - Uncontrolled Resource Consumption
Summary
A flaw was found in python. An improperly handled HTTP response in the HTTP client code of python may allow a remote attacker, who controls the HTTP server, to make the client script enter an infinite loop, consuming CPU time. The highest threat from this vulnerability is to system availability.
References
| URL | Tags | |||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||
Impacted products
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{
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CVE-2022-0391 (GCVE-0-2022-0391)
Vulnerability from cvelistv5
Published
2022-02-09 00:00
Modified
2025-11-03 21:45
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
A flaw was found in Python, specifically within the urllib.parse module. This module helps break Uniform Resource Locator (URL) strings into components. The issue involves how the urlparse method does not sanitize input and allows characters like '\r' and '\n' in the URL path. This flaw allows an attacker to input a crafted URL, leading to injection attacks. This flaw affects Python versions prior to 3.10.0b1, 3.9.5, 3.8.11, 3.7.11 and 3.6.14.
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
{
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"url": "https://bugs.python.org/issue43882"
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{
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"tags": [
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"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UDBDBAU6HUPZHISBOARTXZ5GKHF2VH5U/"
},
{
"name": "FEDORA-2022-18ad73aba6",
"tags": [
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"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CSD2YBXP3ZF44E44QMIIAR5VTO35KTRB/"
},
{
"tags": [
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},
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},
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"tags": [
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"url": "https://security.gentoo.org/glsa/202305-02"
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CVE-2021-3426 (GCVE-0-2021-3426)
Vulnerability from cvelistv5
Published
2021-05-20 00:00
Modified
2025-11-03 21:44
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
There's a flaw in Python 3's pydoc. A local or adjacent attacker who discovers or is able to convince another local or adjacent user to start a pydoc server could access the server and use it to disclose sensitive information belonging to the other user that they would not normally be able to access. The highest risk of this flaw is to data confidentiality. This flaw affects Python versions before 3.8.9, Python versions before 3.9.3 and Python versions before 3.10.0a7.
References
| URL | Tags | |||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||||||||||||||
Impacted products
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CVE-2021-29921 (GCVE-0-2021-29921)
Vulnerability from cvelistv5
Published
2021-05-06 00:00
Modified
2025-11-03 21:44
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
In Python before 3,9,5, the ipaddress library mishandles leading zero characters in the octets of an IP address string. This (in some situations) allows attackers to bypass access control that is based on IP addresses.
References
| URL | Tags | |||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||||||||||||||||||||||||||
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CVE-2013-0340 (GCVE-0-2013-0340)
Vulnerability from cvelistv5
Published
2014-01-21 18:00
Modified
2025-11-25 16:27
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- n/a
Summary
expat before version 2.4.0 does not properly handle entities expansion unless an application developer uses the XML_SetEntityDeclHandler function, which allows remote attackers to cause a denial of service (resource consumption), send HTTP requests to intranet servers, or read arbitrary files via a crafted XML document, aka an XML External Entity (XXE) issue. NOTE: it could be argued that because expat already provides the ability to disable external entity expansion, the responsibility for resolving this issue lies with application developers; according to this argument, this entry should be REJECTed, and each affected application would need its own CVE.
References
| URL | Tags | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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