Common Weakness Enumeration
CWE-190
AllowedInteger Overflow or Wraparound
Abstraction: Base · Status: Stable
The product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.
4356 vulnerabilities reference this CWE, most recent first.
CVE-2026-77219 (GCVE-0-2026-77219)
Vulnerability from cvelistv5 – Published: 2026-08-21 20:20 – Updated: 2026-08-21 21:42 X_Open Source
VLAI
EPSS
VEX
Title
GNU Emacs < 31.0.91 Heap Over-Read via PBM/PPM/PGM Image Loader
Summary
GNU Emacs before 31.0.91 contains an integer overflow in the PBM/PPM/PGM image loader that allows an attacker to leak heap memory contents by supplying a crafted image with large dimensions and an elevated max color index. The image loader multiplies image dimensions and channel count using signed integer arithmetic; for sufficiently large values, the result wraps to a negative number, bypassing the bounds check and causing the pixel reader to access heap memory past the end of the allocated buffer. The over-read contents are interpreted as pixel color values and rendered on screen.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-21 21:32 UTC
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://debbugs.gnu.org/cgi/bugreport.cgi?bug=81344 | issue-tracking |
| https://github.com/emacs-mirror/emacs/releases/ta… | release-notes |
| https://github.com/emacs-mirror/emacs/commit/b07e… | patch |
| https://www.vulncheck.com/advisories/gnu-emacs-he… | third-party-advisory |
Date Public
2026-07-01 00:00
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CVE-2026-76149 (GCVE-0-2026-76149)
Vulnerability from cvelistv5 – Published: 2026-08-26 04:55 – Updated: 2026-08-26 14:08
VLAI
EPSS
VEX
Summary
CorvusSKK contains an integer overflow vulnerability, which may allow malicious data to be written to a dictionary file.
Severity
4.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-26 14:08 UTC
CWE
- CWE-190 - Integer overflow or wraparound
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SASAKI Nobuyuki | CorvusSKK |
Affected:
0 , < 3.3.4
(semver)
|
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CVE-2026-75863 (GCVE-0-2026-75863)
Vulnerability from cvelistv5 – Published: 2026-09-08 19:32 – Updated: 2026-09-09 09:54
VLAI
EPSS
VEX
Title
Photoshop Desktop | Integer Overflow or Wraparound (CWE-190)
Summary
Photoshop Desktop is affected by an Integer Overflow or Wraparound vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-09 04:27 UTC
CWE
- CWE-190 - Integer Overflow or Wraparound (CWE-190)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/photosh… | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | Photoshop 2026 |
Affected:
0 , ≤ 27.6
(semver)
Unaffected: 27.7 (semver) |
|
| Adobe | Photoshop 2025 |
Affected:
0 , ≤ 26.11.6
(semver)
Unaffected: 26.11.7 (semver) |
Date Public
2026-09-08 17:00
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CVE-2026-75862 (GCVE-0-2026-75862)
Vulnerability from cvelistv5 – Published: 2026-09-08 19:32 – Updated: 2026-09-09 09:54
VLAI
EPSS
VEX
Title
Photoshop Desktop | Integer Overflow or Wraparound (CWE-190)
Summary
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Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-09 04:27 UTC
CWE
- CWE-190 - Integer Overflow or Wraparound (CWE-190)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/photosh… | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | Photoshop 2026 |
Affected:
0 , ≤ 27.6
(semver)
Unaffected: 27.7 (semver) |
|
| Adobe | Photoshop 2025 |
Affected:
0 , ≤ 26.11.6
(semver)
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Date Public
2026-09-08 17:00
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CVE-2026-75771 (GCVE-0-2026-75771)
Vulnerability from cvelistv5 – Published: 2026-09-08 19:32 – Updated: 2026-09-09 09:54
VLAI
EPSS
VEX
Title
Photoshop Desktop | Integer Overflow or Wraparound (CWE-190)
Summary
Photoshop Desktop is affected by an Integer Overflow or Wraparound vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Severity
7.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-09 04:27 UTC
CWE
- CWE-190 - Integer Overflow or Wraparound (CWE-190)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://helpx.adobe.com/security/products/photosh… | vendor-advisory |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Adobe | Photoshop 2026 |
Affected:
0 , ≤ 27.6
(semver)
Unaffected: 27.7 (semver) |
|
| Adobe | Photoshop 2025 |
Affected:
0 , ≤ 26.11.6
(semver)
Unaffected: 26.11.7 (semver) |
Date Public
2026-09-08 17:00
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CVE-2026-75538 (GCVE-0-2026-75538)
Vulnerability from cvelistv5 – Published: 2026-09-01 14:48 – Updated: 2026-09-08 01:10
VLAI
EPSS
VEX
Title
A Signed Length Overflow in Erlang/OTP's inet TCP Driver Overflows the Receive Buffer Into BEAM VM Memory From an Unauthenticated Peer
Summary
An attacker that connects to an open Erlang TCP port that uses the inet driver with {packet,4} mode can use a signed overflow in an incorrect packet length calculation to overflow the receive buffer into the VM allocator area and beyond up to about 2 GB.
This would easily trash the allocated block's allocator metadata footer, and the next block, if any, and most likely cause the BEAM VM to crash. Utilizing this with precision enough to achieve Remote Code Execution would be extremely unfeasible.
This issue affects OTP from OTP 17.0 before OTP 27.3.4.17, from OTP 28.0 before OTP 28.5.0.6, and from OTP 29.0 before OTP 29.0.6, corresponding to erts from 6.0 before 15.2.7.13, from 16.0 before 16.4.0.6, and from 17.0 before 17.0.6. Whether OTP before OTP 17.0, corresponding to erts before 6.0, is affected is unknown.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-01 15:58 UTC
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/erlang/otp/security/advisories… | vendor-advisory |
| https://cna.erlef.org/cves/CVE-2026-75538.html | related |
| https://osv.dev/vulnerability/EEF-CVE-2026-75538 | related |
| https://github.com/erlang/otp/commit/08e8efdba850… | patch |
Impacted products
3 products
| Vendor | Product | Version | |
|---|---|---|---|
| Erlang | OTP |
Unknown:
0 , < 17.0
(otp)
Affected: 17.0 , < 27.3.4.17 (otp) Affected: 28.0 , < 28.5.0.6 (otp) Affected: 29.0 , < 29.0.6 (otp) cpe:2.3:a:erlang:erlang\/otp:*:*:*:*:*:*:*:* |
|
| Erlang | OTP |
Unknown:
0 , < 6.0
(otp)
Affected: 6.0 , < 15.2.7.13 (otp) Affected: 16.0 , < 16.4.0.6 (otp) Affected: 17.0 , < 17.0.6 (otp) cpe:2.3:a:erlang:erlang\/otp:*:*:*:*:*:*:*:* |
|
| Erlang | OTP |
Affected:
84adefa331c4159d432d22840663c38f155cd4c1 , < 08e8efdba8500d2d6f54c6b1de1492b228017c9b
(git)
cpe:2.3:a:erlang:erlang\/otp:*:*:*:*:*:*:*:* |
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CVE-2026-75148 (GCVE-0-2026-75148)
Vulnerability from cvelistv5 – Published: 2026-08-19 13:37 – Updated: 2026-08-21 11:21 X_Open Source
VLAI
EPSS
VEX
Title
cgltf 1.15 Integer Overflow via cgltf_validate() Accessor Bounds Check
Summary
cgltf through 1.15 contains an integer overflow vulnerability in the non-sparse accessor bounds check within cgltf_validate() that allows remote attackers to cause memory disclosure and denial of service by supplying crafted accessor count values. Attackers can provide malformed .gltf or .glb input with a specially crafted accessor count to overflow the unsigned integer multiplication of accessor stride and element count, causing the bounds check to pass and triggering a heap out-of-bounds read when cgltf_accessor_read_float() is subsequently called on the validated malformed accessor.
Severity
6.1 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-20 17:21 UTC
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/jkuhlmann/cgltf/issues/301 | issue-tracking |
| https://www.vulncheck.com/advisories/cgltf-intege… | third-party-advisory |
Date Public
2026-08-17 00:00
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CVE-2026-74765 (GCVE-0-2026-74765)
Vulnerability from cvelistv5 – Published: 2026-09-22 07:18 – Updated: 2026-09-22 17:07
VLAI
EPSS
VEX
Title
Net::IDN::Punycode versions before 2.590 for Perl allow an out-of-bounds read via integer overflow of the delta accumulator in encode_punycode
Summary
Net::IDN::Punycode versions before 2.590 for Perl allow an out-of-bounds read via integer overflow of the delta accumulator in encode_punycode.
The XS backend keeps the punycode delta, and the digit index derived from it, in a signed int. The accumulation `delta += (m-n) * (h+1)` has no overflow check, so a large enough code point wraps the delta and the digit index leaves the range of the 36-entry digit table. The bound before the final table access tests only for an index above 36, so a negative index passes it, as does 36 itself. Perl strings hold code points beyond the Unicode range, and one such code point overflows the accumulation on its own. Valid input wraps it as well, for example 1927 ASCII letters followed by U+10FFFF. The conversion functions encode a label before they check its length, so a long label reaches the encoder through the documented API.
Only the XS backend is affected.
Encoding an attacker-supplied string copies a byte from outside the digit table into the encoded result or crashes the process.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-22 13:50 UTC
Assigner
References
6 references
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CVE-2026-73645 (GCVE-0-2026-73645)
Vulnerability from cvelistv5 – Published: 2026-08-13 17:54 – Updated: 2026-08-14 18:09
VLAI
EPSS
VEX
Title
OpenZeppelin Confidential Contracts ERC7984ERC20Wrapper: once a wrapper is filled, subsequent wrap requests do not revert and result in loss of funds.
Summary
OpenZeppelin Confidential Contracts is an experimental library for developing applications on the Zama fhEVM. Prior to 0.3.1, the ERC7984 contract tracked confidential total supply with an euint64 value, and an overflowing internal _mint operation could fail silently. The wrap and onTransferReceived functions in contracts/token/ERC7984/extensions/ERC7984ERC20Wrapper.sol did not handle that failure, so a user could transfer the underlying token without receiving the corresponding confidential wrapped token. With the default rate(), the wrapper fills after approximately 18.4 trillion tokens, and subsequent wrapping requests can cause loss of funds. This issue is fixed in version 0.3.1.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-14 17:41 UTC
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/OpenZeppelin/openzeppelin-conf… | x_refsource_CONFIRM |
| https://github.com/OpenZeppelin/openzeppelin-conf… | x_refsource_MISC |
| https://github.com/OpenZeppelin/openzeppelin-conf… | x_refsource_MISC |
| https://github.com/OpenZeppelin/openzeppelin-conf… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| OpenZeppelin | openzeppelin-confidential-contracts |
Affected:
< 0.3.1
|
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CVE-2026-73564 (GCVE-0-2026-73564)
Vulnerability from cvelistv5 – Published: 2026-08-13 17:35 – Updated: 2026-08-13 17:53
VLAI
EPSS
VEX
Title
frp: Unauthenticated Remote Denial of Service in the frp SSH Tunnel Gateway via Integer Overflow
Summary
frp is a fast reverse proxy. From 0.53.0 until 0.70.1, frp's optional SSH Tunnel Gateway in pkg/ssh/server.go parses an SSH exec channel request by adding 4 to an attacker-controlled four-byte big-endian length. A length of 0xFFFFFFFF makes the uint32 addition wrap to 3, defeats the payload bounds check, and causes payload[4:3] to panic in TunnelServer.handleNewChannel. When no authorized-keys file is configured, sshConfig.NoClientAuth permits an unauthenticated peer to reach this channel phase before the frp token is checked, so a single five-byte request terminates the frps process and drops every active tunnel. This issue is fixed in version 0.70.1.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-13 17:52 UTC
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/fatedier/frp/security/advisori… | x_refsource_CONFIRM |
| https://github.com/fatedier/frp/pull/5428 | x_refsource_MISC |
| https://github.com/fatedier/frp/commit/7dc7be930e… | x_refsource_MISC |
| https://github.com/fatedier/frp/releases/tag/v0.70.1 | x_refsource_MISC |
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Mitigation
Requirements
Ensure that all protocols are strictly defined, such that all out-of-bounds behavior can be identified simply, and require strict conformance to the protocol.
Mitigation MIT-3
Requirements
Strategy: Language Selection
- Use a language that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
- If possible, choose a language or compiler that performs automatic bounds checking.
Mitigation MIT-4
Architecture and Design
Strategy: Libraries or Frameworks
- Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid [REF-1482].
- Use libraries or frameworks that make it easier to handle numbers without unexpected consequences.
- Examples include safe integer handling packages such as SafeInt (C++) or IntegerLib (C or C++). [REF-106]
Mitigation MIT-8
Implementation
Strategy: Input Validation
- Perform input validation on any numeric input by ensuring that it is within the expected range. Enforce that the input meets both the minimum and maximum requirements for the expected range.
- Use unsigned integers where possible. This makes it easier to perform validation for integer overflows. When signed integers are required, ensure that the range check includes minimum values as well as maximum values.
Mitigation MIT-36
Implementation
- Understand the programming language's underlying representation and how it interacts with numeric calculation (CWE-681). Pay close attention to byte size discrepancies, precision, signed/unsigned distinctions, truncation, conversion and casting between types, "not-a-number" calculations, and how the language handles numbers that are too large or too small for its underlying representation. [REF-7]
- Also be careful to account for 32-bit, 64-bit, and other potential differences that may affect the numeric representation.
Mitigation MIT-15
Architecture and Design
For any security checks that are performed on the client side, ensure that these checks are duplicated on the server side, in order to avoid CWE-602. Attackers can bypass the client-side checks by modifying values after the checks have been performed, or by changing the client to remove the client-side checks entirely. Then, these modified values would be submitted to the server.
Mitigation MIT-26
Implementation
Strategy: Compilation or Build Hardening
Examine compiler warnings closely and eliminate problems with potential security implications, such as signed / unsigned mismatch in memory operations, or use of uninitialized variables. Even if the weakness is rarely exploitable, a single failure may lead to the compromise of the entire system.
CAPEC-92: Forced Integer Overflow
This attack forces an integer variable to go out of range. The integer variable is often used as an offset such as size of memory allocation or similarly. The attacker would typically control the value of such variable and try to get it out of range. For instance the integer in question is incremented past the maximum possible value, it may wrap to become a very small, or negative number, therefore providing a very incorrect value which can lead to unexpected behavior. At worst the attacker can execute arbitrary code.