PatchSiren cyber security CVE debrief
CVE-2026-30141 bitbank2 CVE debrief
CVE-2026-30141 is a critical vulnerability in the DecodeLZW function of AnimatedGIF v2.2.0. A remote attacker can exploit this via a crafted GIF file to cause a denial of service (crash) or potentially execute arbitrary code. The vulnerability has a CVSS score of 9.8 and is considered CRITICAL.
- Vendor
- bitbank2
- Product
- AnimatedGIF
- CVSS
- CRITICAL 9.8
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-06-09
- Original CVE updated
- 2026-06-10
- Advisory published
- 2026-06-09
- Advisory updated
- 2026-06-10
Who should care
Users of AnimatedGIF v2.2.0, especially those who process GIF files from untrusted sources, should be aware of this vulnerability and take steps to mitigate it.
Technical summary
The vulnerability is caused by a buffer overflow in the DecodeLZW function of AnimatedGIF v2.2.0. This function is used to decode LZW-compressed GIF data. An attacker can exploit this vulnerability by crafting a GIF file that overflows the buffer, potentially allowing for arbitrary code execution.
Defensive priority
High
Recommended defensive actions
- Update to a patched version of AnimatedGIF, if available.
- Validate and sanitize GIF files before processing them.
- Implement memory protection mechanisms, such as address space layout randomization (ASLR) and data execution prevention (DEP).
Evidence notes
The vulnerability was discovered and reported via [ref-4](https://github.com/bitbank2/AnimatedGIF/issues/115).
Official resources
-
CVE-2026-30141 CVE record
CVE.org
-
CVE-2026-30141 NVD detail
NVD
-
Source item URL
nvd_modified
- Source reference
CVE-2026-30141 was published on [cvePublishedAt](https://www.cve.org/CVERecord?id=CVE-2026-30141) and last modified on [cveModifiedAt](https://nvd.nist.gov/vuln/detail/CVE-2026-30141).