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CWE-190
Integer Overflow or Wraparound
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.
CVE-2026-27809 (GCVE-0-2026-27809)
Vulnerability from cvelistv5 – Published: 2026-02-25 23:57 – Updated: 2026-02-26 15:17
VLAI
Title
psd-tools: Compression module has unguarded zlib decompression, missing dimension validation, and hardening gaps
Summary
psd-tools is a Python package for working with Adobe Photoshop PSD files. Prior to version 1.12.2, when a PSD file contains malformed RLE-compressed image data (e.g. a literal run that extends past the expected row size), decode_rle() raises ValueError which propagated all the way to the user, crashing psd.composite() and psd-tools export. decompress() already had a fallback that replaces failed channels with black pixels when result is None, but it never triggered because the ValueError from decode_rle() was not caught. The fix in version 1.12.2 wraps the decode_rle() call in a try/except so the existing fallback handles the error gracefully.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/psd-tools/psd-tools/security/a… | x_refsource_CONFIRM |
| https://github.com/psd-tools/psd-tools/commit/6c0… | x_refsource_MISC |
| https://github.com/psd-tools/psd-tools/releases/t… | x_refsource_MISC |
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CVE-2026-27889 (GCVE-0-2026-27889)
Vulnerability from cvelistv5 – Published: 2026-03-25 19:36 – Updated: 2026-06-30 12:08
VLAI
Title
NATS: Pre-auth remote server crash via WebSocket frame length overflow in wsRead
Summary
NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. Starting in version 2.2.0 and prior to versions 2.11.14 and 2.12.5, a missing sanity check on a WebSockets frame could trigger a server panic in the nats-server. This happens before authentication, and so is exposed to anyone who can connect to the websockets port. Versions 2.11.14 and 2.12.5 contains a fix. A workaround is available. The vulnerability only affects deployments which use WebSockets and which expose the network port to untrusted end-points. If one is able to do so, a defense in depth of restricting either of these will mitigate the attack.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://github.com/nats-io/nats-server/security/a… | x_refsource_CONFIRM |
| https://advisories.nats.io/CVE/secnote-2026-03.txt | x_refsource_MISC |
| https://access.redhat.com/security/cve/CVE-2026-27889 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2451447 | issue-trackingx_refsource_REDHAT |
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| https://access.redhat.com/errata/RHSA-2026:23345 | vendor-advisoryx_refsource_REDHAT |
Impacted products
5 products
| Vendor | Product | Version | |
|---|---|---|---|
| nats-io | nats-server |
Affected:
>= 2.2.0, < 2.11.14
Affected: >= 2.12.0, < 2.12.5 |
|
| Red Hat | Multicluster Global Hub 1.4.5 |
cpe:/a:redhat:multicluster_globalhub:1.4::el9 |
|
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cpe:/a:redhat:multicluster_globalhub:1.5::el9 |
|
| Red Hat | Multicluster Global Hub 1.6.2 |
cpe:/a:redhat:multicluster_globalhub:1.6::el9 |
|
| Red Hat | Red Hat OpenShift Container Platform 4 |
cpe:/a:redhat:openshift:4 |
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CVE-2026-27940 (GCVE-0-2026-27940)
Vulnerability from cvelistv5 – Published: 2026-03-12 16:39 – Updated: 2026-03-14 03:55
VLAI
Title
llama.cpp has a Heap Buffer Overflow via Integer Overflow in `mem_size` Calculation — Bypass of CVE-2025-53630 Fix
Summary
llama.cpp is an inference of several LLM models in C/C++. Prior to b8146, the gguf_init_from_file_impl() in gguf.cpp is vulnerable to an Integer overflow, leading to an undersized heap allocation. Using the subsequent fread() writes 528+ bytes of attacker-controlled data past the buffer boundary. This is a bypass of a similar bug in the same file - CVE-2025-53630, but the fix overlooked some areas. This vulnerability is fixed in b8146.
Severity
7.8 (High)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/ggml-org/llama.cpp/security/ad… | x_refsource_CONFIRM |
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CVE-2026-27951 (GCVE-0-2026-27951)
Vulnerability from cvelistv5 – Published: 2026-02-25 21:07 – Updated: 2026-02-25 21:43
VLAI
Title
FreeRDP has possible Integer overflow in Stream_EnsureCapacity
Summary
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.23.0, the function `Stream_EnsureCapacity` can create an endless blocking loop. This may affect all client and server implementations using `FreeRDP`. For practical exploitation this will only work on 32bit systems where the available physical memory is `>= SIZE_MAX`. Version 3.23.0 contains a patch. No known workarounds are available.
Severity
5.3 (Medium)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/FreeRDP/FreeRDP/security/advis… | x_refsource_CONFIRM |
| https://github.com/FreeRDP/FreeRDP/commit/118afc0… | x_refsource_MISC |
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CVE-2026-2809 (GCVE-0-2026-2809)
Vulnerability from cvelistv5 – Published: 2026-03-17 20:20 – Updated: 2026-03-18 19:59
VLAI
Title
Endpoint DLP Driver DLL
Summary
Netskope was notified about a potential gap in its Endpoint DLP Module for Netskope Client on Windows systems. The successful exploitation of the gap can potentially allow a privileged user to trigger an integer overflow within the DLL Injector, leading to a Blue-Screen-of-Death (BSOD). Successful exploitation would require the Endpoint DLP module to be enabled in the client configuration. A successful exploit can potentially result in a denial-of-service for the local machine.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-190 - Integer overflow or wraparound
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://support.netskope.com/s/article/NSKPSA-202… | vendor-advisorypermissions-required |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Netskope | Endpoint DLP Module for Netskope Client |
Affected:
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Credits
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CVE-2026-28214 (GCVE-0-2026-28214)
Vulnerability from cvelistv5 – Published: 2026-04-17 18:35 – Updated: 2026-04-20 13:46
VLAI
Title
Firebird server hangs when using specific clumplet on batch creation
Summary
Firebird is an open-source relational database management system. In versions prior to 5.0.4, 4.0.7 and 3.0.14, the ClumpletReader::getClumpletSize() function can overflow the totalLength value when parsing a Wide type clumplet, causing an infinite loop. An authenticated user with INSERT privileges on any table can exploit this via a crafted Batch Parameter Block to cause a denial of service against the server. This issue has been fixed in versions 5.0.4, 4.0.7 and 3.0.14.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/FirebirdSQL/firebird/security/… | x_refsource_CONFIRM |
| https://github.com/FirebirdSQL/firebird/releases/… | x_refsource_MISC |
| https://github.com/FirebirdSQL/firebird/releases/… | x_refsource_MISC |
| https://github.com/FirebirdSQL/firebird/releases/… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| FirebirdSQL | firebird |
Affected:
>= 3.0.0, < 3.0.14
Affected: >= 4.0.0, < 4.0.7 Affected: >= 5.0.0, < 5.0.4 |
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CVE-2026-28231 (GCVE-0-2026-28231)
Vulnerability from cvelistv5 – Published: 2026-02-27 20:13 – Updated: 2026-03-03 20:25
VLAI
Title
pillow_heif Has Integer Overflow in Encode Path Buffer Validation that Leads to Heap Out-of-Bounds Read
Summary
pillow_heif is a Python library for working with HEIF images and plugin for Pillow. Prior to version 1.3.0, an integer overflow in the encode path buffer validation of `_pillow_heif.c` allows an attacker to bypass bounds checks by providing large image dimensions, resulting in a heap out-of-bounds read. This can lead to information disclosure (server heap memory leaking into encoded images) or denial of service (process crash). No special configuration is required — this triggers under default settings. Version 1.3.0 fixes the issue.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/bigcat88/pillow_heif/security/… | x_refsource_CONFIRM |
| https://github.com/bigcat88/pillow_heif/commit/83… | x_refsource_MISC |
| https://github.com/bigcat88/pillow_heif/releases/… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| bigcat88 | pillow_heif |
Affected:
< 1.3.0
|
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CVE-2026-28493 (GCVE-0-2026-28493)
Vulnerability from cvelistv5 – Published: 2026-03-09 21:29 – Updated: 2026-03-10 17:17
VLAI
Title
ImageMagick has a Integer Overflow leading to out of bounds write in SIXEL decoder
Summary
ImageMagick is free and open-source software used for editing and manipulating digital images. Prior to versions 7.1.2-16, an integer overflow vulnerability exists in the SIXEL decoer. The vulnerability allows an attacker to perform an out of bounds via a specially crafted image. This vulnerability is fixed in 7.1.2-16.
Severity
6.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-190 - Integer Overflow or Wraparound
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/ImageMagick/ImageMagick/securi… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| ImageMagick | ImageMagick |
Affected:
< 7.1.2-16
|
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CVE-2026-28497 (GCVE-0-2026-28497)
Vulnerability from cvelistv5 – Published: 2026-03-06 02:51 – Updated: 2026-03-06 16:10
VLAI
Title
TinyWeb: Integer Overflow in `_Val` (HTTP Request Smuggling)
Summary
TinyWeb is a web server (HTTP, HTTPS) written in Delphi for Win32. Prior to version 2.03, an integer overflow vulnerability in the string-to-integer conversion routine (_Val) allows an unauthenticated remote attacker to bypass Content-Length restrictions and perform HTTP Request Smuggling. This can lead to unauthorized access, security filter bypass, and potential cache poisoning. The impact is critical for servers using persistent connections (Keep-Alive). This issue has been patched in version 2.03.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/maximmasiutin/TinyWeb/security… | x_refsource_CONFIRM |
| https://github.com/maximmasiutin/TinyWeb/commit/d… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| maximmasiutin | TinyWeb |
Affected:
< 2.03
|
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CVE-2026-28532 (GCVE-0-2026-28532)
Vulnerability from cvelistv5 – Published: 2026-04-30 20:17 – Updated: 2026-05-25 23:41 X_Open Source
VLAI
Title
FRRouting < 10.5.3 Integer Overflow in OSPF TLV Parser Functions
Summary
FRRouting before 10.5.3 contains an integer overflow vulnerability in seven OSPF Traffic Engineering and Segment Routing TLV parser functions where a uint16_t accumulator variable truncates uint32_t values returned by the TLV_SIZE() macro, causing the loop termination condition to fail while pointer advancement continues unchecked. Attackers with an established OSPF adjacency can send a crafted LS Update packet with a malicious Type 10 or Type 11 Opaque LSA to trigger out-of-bounds memory reads and crash all affected routers in the OSPF area or autonomous system.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/FRRouting/frr/releases/tag/frr… | release-notes |
| https://github.com/FRRouting/frr/pull/21002 | issue-tracking |
| https://github.com/FRRouting/frr/commit/f098decf0… | patch |
| https://www.vulncheck.com/advisories/frrouting-in… | third-party-advisory |
Date Public
2026-03-05 00:00
Credits
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Mitigation
Phase: Requirements
Description:
- 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 ID: MIT-3
Phase: Requirements
Strategy: Language Selection
Description:
- 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 ID: MIT-4
Phase: Architecture and Design
Strategy: Libraries or Frameworks
Description:
- 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 ID: MIT-8
Phase: Implementation
Strategy: Input Validation
Description:
- 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 ID: MIT-36
Phase: Implementation
Description:
- 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 ID: MIT-15
Phase: Architecture and Design
Description:
- 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 ID: MIT-26
Phase: Implementation
Strategy: Compilation or Build Hardening
Description:
- 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.