CVE-2023-46218 (GCVE-0-2023-46218)
Vulnerability from
Published
2023-12-07 01:10
Modified
2025-06-30 16:20
Severity ?
VLAI Severity ?
EPSS score ?
Summary
This flaw allows a malicious HTTP server to set "super cookies" in curl that
are then passed back to more origins than what is otherwise allowed or
possible. This allows a site to set cookies that then would get sent to
different and unrelated sites and domains.
It could do this by exploiting a mixed case flaw in curl's function that
verifies a given cookie domain against the Public Suffix List (PSL). For
example a cookie could be set with `domain=co.UK` when the URL used a lower
case hostname `curl.co.uk`, even though `co.uk` is listed as a PSL domain.
References
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CVE-2024-0853 (GCVE-0-2024-0853)
Vulnerability from
Published
2024-02-03 13:35
Modified
2025-06-20 20:04
Severity ?
VLAI Severity ?
EPSS score ?
Summary
curl inadvertently kept the SSL session ID for connections in its cache even when the verify status (*OCSP stapling*) test failed. A subsequent transfer to
the same hostname could then succeed if the session ID cache was still fresh, which then skipped the verify status check.
References
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CVE-2025-0725 (GCVE-0-2025-0725)
Vulnerability from
Published
2025-02-05 09:18
Modified
2025-06-12 16:04
Severity ?
VLAI Severity ?
EPSS score ?
Summary
When libcurl is asked to perform automatic gzip decompression of
content-encoded HTTP responses with the `CURLOPT_ACCEPT_ENCODING` option,
**using zlib 1.2.0.3 or older**, an attacker-controlled integer overflow would
make libcurl perform a buffer overflow.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| curl | curl |
Version: 8.11.1 ≤ 8.11.1 Version: 8.11.0 ≤ 8.11.0 Version: 8.10.1 ≤ 8.10.1 Version: 8.10.0 ≤ 8.10.0 Version: 8.9.1 ≤ 8.9.1 Version: 8.9.0 ≤ 8.9.0 Version: 8.8.0 ≤ 8.8.0 Version: 8.7.1 ≤ 8.7.1 Version: 8.7.0 ≤ 8.7.0 Version: 8.6.0 ≤ 8.6.0 Version: 8.5.0 ≤ 8.5.0 Version: 8.4.0 ≤ 8.4.0 Version: 8.3.0 ≤ 8.3.0 Version: 8.2.1 ≤ 8.2.1 Version: 8.2.0 ≤ 8.2.0 Version: 8.1.2 ≤ 8.1.2 Version: 8.1.1 ≤ 8.1.1 Version: 8.1.0 ≤ 8.1.0 Version: 8.0.1 ≤ 8.0.1 Version: 8.0.0 ≤ 8.0.0 Version: 7.88.1 ≤ 7.88.1 Version: 7.88.0 ≤ 7.88.0 Version: 7.87.0 ≤ 7.87.0 Version: 7.86.0 ≤ 7.86.0 Version: 7.85.0 ≤ 7.85.0 Version: 7.84.0 ≤ 7.84.0 Version: 7.83.1 ≤ 7.83.1 Version: 7.83.0 ≤ 7.83.0 Version: 7.82.0 ≤ 7.82.0 Version: 7.81.0 ≤ 7.81.0 Version: 7.80.0 ≤ 7.80.0 Version: 7.79.1 ≤ 7.79.1 Version: 7.79.0 ≤ 7.79.0 Version: 7.78.0 ≤ 7.78.0 Version: 7.77.0 ≤ 7.77.0 Version: 7.76.1 ≤ 7.76.1 Version: 7.76.0 ≤ 7.76.0 Version: 7.75.0 ≤ 7.75.0 Version: 7.74.0 ≤ 7.74.0 Version: 7.73.0 ≤ 7.73.0 Version: 7.72.0 ≤ 7.72.0 Version: 7.71.1 ≤ 7.71.1 Version: 7.71.0 ≤ 7.71.0 Version: 7.70.0 ≤ 7.70.0 Version: 7.69.1 ≤ 7.69.1 Version: 7.69.0 ≤ 7.69.0 Version: 7.68.0 ≤ 7.68.0 Version: 7.67.0 ≤ 7.67.0 Version: 7.66.0 ≤ 7.66.0 Version: 7.65.3 ≤ 7.65.3 Version: 7.65.2 ≤ 7.65.2 Version: 7.65.1 ≤ 7.65.1 Version: 7.65.0 ≤ 7.65.0 Version: 7.64.1 ≤ 7.64.1 Version: 7.64.0 ≤ 7.64.0 Version: 7.63.0 ≤ 7.63.0 Version: 7.62.0 ≤ 7.62.0 Version: 7.61.1 ≤ 7.61.1 Version: 7.61.0 ≤ 7.61.0 Version: 7.60.0 ≤ 7.60.0 Version: 7.59.0 ≤ 7.59.0 Version: 7.58.0 ≤ 7.58.0 Version: 7.57.0 ≤ 7.57.0 Version: 7.56.1 ≤ 7.56.1 Version: 7.56.0 ≤ 7.56.0 Version: 7.55.1 ≤ 7.55.1 Version: 7.55.0 ≤ 7.55.0 Version: 7.54.1 ≤ 7.54.1 Version: 7.54.0 ≤ 7.54.0 Version: 7.53.1 ≤ 7.53.1 Version: 7.53.0 ≤ 7.53.0 Version: 7.52.1 ≤ 7.52.1 Version: 7.52.0 ≤ 7.52.0 Version: 7.51.0 ≤ 7.51.0 Version: 7.50.3 ≤ 7.50.3 Version: 7.50.2 ≤ 7.50.2 Version: 7.50.1 ≤ 7.50.1 Version: 7.50.0 ≤ 7.50.0 Version: 7.49.1 ≤ 7.49.1 Version: 7.49.0 ≤ 7.49.0 Version: 7.48.0 ≤ 7.48.0 Version: 7.47.1 ≤ 7.47.1 Version: 7.47.0 ≤ 7.47.0 Version: 7.46.0 ≤ 7.46.0 Version: 7.45.0 ≤ 7.45.0 Version: 7.44.0 ≤ 7.44.0 Version: 7.43.0 ≤ 7.43.0 Version: 7.42.1 ≤ 7.42.1 Version: 7.42.0 ≤ 7.42.0 Version: 7.41.0 ≤ 7.41.0 Version: 7.40.0 ≤ 7.40.0 Version: 7.39.0 ≤ 7.39.0 Version: 7.38.0 ≤ 7.38.0 Version: 7.37.1 ≤ 7.37.1 Version: 7.37.0 ≤ 7.37.0 Version: 7.36.0 ≤ 7.36.0 Version: 7.35.0 ≤ 7.35.0 Version: 7.34.0 ≤ 7.34.0 Version: 7.33.0 ≤ 7.33.0 Version: 7.32.0 ≤ 7.32.0 Version: 7.31.0 ≤ 7.31.0 Version: 7.30.0 ≤ 7.30.0 Version: 7.29.0 ≤ 7.29.0 Version: 7.28.1 ≤ 7.28.1 Version: 7.28.0 ≤ 7.28.0 Version: 7.27.0 ≤ 7.27.0 Version: 7.26.0 ≤ 7.26.0 Version: 7.25.0 ≤ 7.25.0 Version: 7.24.0 ≤ 7.24.0 Version: 7.23.1 ≤ 7.23.1 Version: 7.23.0 ≤ 7.23.0 Version: 7.22.0 ≤ 7.22.0 Version: 7.21.7 ≤ 7.21.7 Version: 7.21.6 ≤ 7.21.6 Version: 7.21.5 ≤ 7.21.5 Version: 7.21.4 ≤ 7.21.4 Version: 7.21.3 ≤ 7.21.3 Version: 7.21.2 ≤ 7.21.2 Version: 7.21.1 ≤ 7.21.1 Version: 7.21.0 ≤ 7.21.0 Version: 7.20.1 ≤ 7.20.1 Version: 7.20.0 ≤ 7.20.0 Version: 7.19.7 ≤ 7.19.7 Version: 7.19.6 ≤ 7.19.6 Version: 7.19.5 ≤ 7.19.5 Version: 7.19.4 ≤ 7.19.4 Version: 7.19.3 ≤ 7.19.3 Version: 7.19.2 ≤ 7.19.2 Version: 7.19.1 ≤ 7.19.1 Version: 7.19.0 ≤ 7.19.0 Version: 7.18.2 ≤ 7.18.2 Version: 7.18.1 ≤ 7.18.1 Version: 7.18.0 ≤ 7.18.0 Version: 7.17.1 ≤ 7.17.1 Version: 7.17.0 ≤ 7.17.0 Version: 7.16.4 ≤ 7.16.4 Version: 7.16.3 ≤ 7.16.3 Version: 7.16.2 ≤ 7.16.2 Version: 7.16.1 ≤ 7.16.1 Version: 7.16.0 ≤ 7.16.0 Version: 7.15.5 ≤ 7.15.5 Version: 7.15.4 ≤ 7.15.4 Version: 7.15.3 ≤ 7.15.3 Version: 7.15.2 ≤ 7.15.2 Version: 7.15.1 ≤ 7.15.1 Version: 7.15.0 ≤ 7.15.0 Version: 7.14.1 ≤ 7.14.1 Version: 7.14.0 ≤ 7.14.0 Version: 7.13.2 ≤ 7.13.2 Version: 7.13.1 ≤ 7.13.1 Version: 7.13.0 ≤ 7.13.0 Version: 7.12.3 ≤ 7.12.3 Version: 7.12.2 ≤ 7.12.2 Version: 7.12.1 ≤ 7.12.1 Version: 7.12.0 ≤ 7.12.0 Version: 7.11.2 ≤ 7.11.2 Version: 7.11.1 ≤ 7.11.1 Version: 7.11.0 ≤ 7.11.0 Version: 7.10.8 ≤ 7.10.8 Version: 7.10.7 ≤ 7.10.7 Version: 7.10.6 ≤ 7.10.6 Version: 7.10.5 ≤ 7.10.5 |
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"type": "finder",
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"type": "remediation developer",
"value": "Daniel Stenberg"
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"value": "When libcurl is asked to perform automatic gzip decompression of\ncontent-encoded HTTP responses with the `CURLOPT_ACCEPT_ENCODING` option,\n**using zlib 1.2.0.3 or older**, an attacker-controlled integer overflow would\nmake libcurl perform a buffer overflow."
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"url": "https://curl.se/docs/CVE-2025-0725.html"
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"url": "https://hackerone.com/reports/2956023"
}
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"title": "gzip integer overflow"
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"datePublished": "2025-02-05T09:18:20.468Z",
"dateReserved": "2025-01-27T04:58:09.514Z",
"dateUpdated": "2025-06-12T16:04:29.956Z",
"state": "PUBLISHED"
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CVE-2025-5399 (GCVE-0-2025-5399)
Vulnerability from
Published
2025-06-07 07:49
Modified
2025-06-09 13:20
Severity ?
VLAI Severity ?
EPSS score ?
Summary
Due to a mistake in libcurl's WebSocket code, a malicious server can send a
particularly crafted packet which makes libcurl get trapped in an endless
busy-loop.
There is no other way for the application to escape or exit this loop other
than killing the thread/process.
This might be used to DoS libcurl-using application.
References
Impacted products
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CVE-2025-5025 (GCVE-0-2025-5025)
Vulnerability from
Published
2025-05-28 06:29
Modified
2025-05-30 16:19
Severity ?
VLAI Severity ?
EPSS score ?
Summary
libcurl supports *pinning* of the server certificate public key for HTTPS transfers. Due to an omission, this check is not performed when connecting with QUIC for HTTP/3, when the TLS backend is wolfSSL. Documentation says the option works with wolfSSL, failing to specify that it does not for QUIC and HTTP/3. Since pinning makes the transfer succeed if the pin is fine, users could unwittingly connect to an impostor server without noticing.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| curl | curl |
Version: 8.13.0 ≤ 8.13.0 Version: 8.12.1 ≤ 8.12.1 Version: 8.12.0 ≤ 8.12.0 Version: 8.11.1 ≤ 8.11.1 Version: 8.11.0 ≤ 8.11.0 Version: 8.10.1 ≤ 8.10.1 Version: 8.10.0 ≤ 8.10.0 Version: 8.9.1 ≤ 8.9.1 Version: 8.9.0 ≤ 8.9.0 Version: 8.8.0 ≤ 8.8.0 Version: 8.7.1 ≤ 8.7.1 Version: 8.7.0 ≤ 8.7.0 Version: 8.6.0 ≤ 8.6.0 Version: 8.5.0 ≤ 8.5.0 |
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CVE-2025-4947 (GCVE-0-2025-4947)
Vulnerability from
Published
2025-05-28 06:29
Modified
2025-05-28 13:58
Severity ?
VLAI Severity ?
EPSS score ?
Summary
libcurl accidentally skips the certificate verification for QUIC connections when connecting to a host specified as an IP address in the URL. Therefore, it does not detect impostors or man-in-the-middle attacks.
References
Impacted products
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CVE-2025-0665 (GCVE-0-2025-0665)
Vulnerability from
Published
2025-02-05 09:16
Modified
2025-03-18 18:10
Severity ?
VLAI Severity ?
EPSS score ?
Summary
libcurl would wrongly close the same eventfd file descriptor twice when taking
down a connection channel after having completed a threaded name resolve.
References
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CVE-2025-0167 (GCVE-0-2025-0167)
Vulnerability from
Published
2025-02-05 09:15
Modified
2025-03-07 00:10
Severity ?
VLAI Severity ?
EPSS score ?
Summary
When asked to use a `.netrc` file for credentials **and** to follow HTTP
redirects, curl could leak the password used for the first host to the
followed-to host under certain circumstances.
This flaw only manifests itself if the netrc file has a `default` entry that
omits both login and password. A rare circumstance.
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| curl | curl |
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}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Yihang Zhou"
},
{
"lang": "en",
"type": "remediation developer",
"value": "Daniel Stenberg"
}
],
"descriptions": [
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"lang": "en",
"value": "When asked to use a `.netrc` file for credentials **and** to follow HTTP\nredirects, curl could leak the password used for the first host to the\nfollowed-to host under certain circumstances.\n\nThis flaw only manifests itself if the netrc file has a `default` entry that\nomits both login and password. A rare circumstance."
}
],
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}
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CVE-2024-6874 (GCVE-0-2024-6874)
Vulnerability from
Published
2024-07-24 07:36
Modified
2025-02-13 17:58
Severity ?
VLAI Severity ?
EPSS score ?
Summary
libcurl's URL API function
[curl_url_get()](https://curl.se/libcurl/c/curl_url_get.html) offers punycode
conversions, to and from IDN. Asking to convert a name that is exactly 256
bytes, libcurl ends up reading outside of a stack based buffer when built to
use the *macidn* IDN backend. The conversion function then fills up the
provided buffer exactly - but does not null terminate the string.
This flaw can lead to stack contents accidently getting returned as part of
the converted string.
References
{
"containers": {
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{
"affected": [
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"cpe:2.3:a:curl:libcurl:8.8.0:*:*:*:*:*:*:*"
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"product": "libcurl",
"vendor": "curl",
"versions": [
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"version": "8.8.0"
}
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}
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"metrics": [
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"attackVector": "NETWORK",
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"timestamp": "2024-07-24T16:13:40.560966Z",
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"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
{
"providerMetadata": {
"dateUpdated": "2024-08-22T18:03:17.766Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"tags": [
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],
"url": "https://curl.se/docs/CVE-2024-6874.json"
},
{
"name": "www",
"tags": [
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"url": "https://curl.se/docs/CVE-2024-6874.html"
},
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"name": "issue",
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"url": "https://hackerone.com/reports/2604391"
},
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"tags": [
"x_transferred"
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"url": "http://www.openwall.com/lists/oss-security/2024/07/24/2"
},
{
"url": "https://security.netapp.com/advisory/ntap-20240822-0004/"
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],
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}
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"defaultStatus": "unaffected",
"product": "curl",
"vendor": "curl",
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"type": "finder",
"value": "z2_"
},
{
"lang": "en",
"type": "remediation developer",
"value": "z2_"
}
],
"descriptions": [
{
"lang": "en",
"value": "libcurl\u0027s URL API function\n[curl_url_get()](https://curl.se/libcurl/c/curl_url_get.html) offers punycode\nconversions, to and from IDN. Asking to convert a name that is exactly 256\nbytes, libcurl ends up reading outside of a stack based buffer when built to\nuse the *macidn* IDN backend. The conversion function then fills up the\nprovided buffer exactly - but does not null terminate the string.\n\nThis flaw can lead to stack contents accidently getting returned as part of\nthe converted string."
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{
"description": "CWE-126 Buffer Over-read",
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CVE-2024-6197 (GCVE-0-2024-6197)
Vulnerability from
Published
2024-07-24 07:29
Modified
2025-02-13 17:54
Severity ?
VLAI Severity ?
EPSS score ?
Summary
libcurl's ASN1 parser has this utf8asn1str() function used for parsing an ASN.1 UTF-8 string. Itcan detect an invalid field and return error. Unfortunately, when doing so it also invokes `free()` on a 4 byte localstack buffer. Most modern malloc implementations detect this error and immediately abort. Some however accept the input pointer and add that memory to its list of available chunks. This leads to the overwriting of nearby stack memory. The content of the overwrite is decided by the `free()` implementation; likely to be memory pointers and a set of flags. The most likely outcome of exploting this flaw is a crash, although it cannot be ruled out that more serious results can be had in special circumstances.
References
Impacted products
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}
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},
"title": "CISA ADP Vulnrichment"
},
{
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"url": "https://curl.se/docs/CVE-2024-6197.json"
},
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"tags": [
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"url": "https://curl.se/docs/CVE-2024-6197.html"
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"descriptions": [
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"value": "libcurl\u0027s ASN1 parser has this utf8asn1str() function used for parsing an ASN.1 UTF-8 string. Itcan detect an invalid field and return error. Unfortunately, when doing so it also invokes `free()` on a 4 byte localstack buffer. Most modern malloc implementations detect this error and immediately abort. Some however accept the input pointer and add that memory to its list of available chunks. This leads to the overwriting of nearby stack memory. The content of the overwrite is decided by the `free()` implementation; likely to be memory pointers and a set of flags. The most likely outcome of exploting this flaw is a crash, although it cannot be ruled out that more serious results can be had in special circumstances."
}
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"description": "CWE-590 Free of Memory not on the Heap",
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{
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},
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"title": "freeing stack buffer in utf8asn1str"
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"dateUpdated": "2025-02-13T17:54:41.039Z",
"state": "PUBLISHED"
},
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}
displaying 11 - 20 organizations in total 24