High severity7.8NVD Advisory· Published Dec 28, 2021· Updated Jun 17, 2026
CVE-2021-45909
CVE-2021-45909
Description
An issue was discovered in gif2apng 1.9. There is a heap-based buffer overflow vulnerability in the DecodeLZW function. It allows an attacker to write a large amount of arbitrary data outside the boundaries of a buffer.
Affected products
1- gif2apng/gif2apngdescription
Patches
Vulnerability mechanics
References
2- bugs.debian.org/cgi-bin/bugreport.cginvdExploitIssue TrackingMailing ListThird Party Advisory
- lists.debian.org/debian-lts-announce/2022/03/msg00008.htmlnvdMailing ListThird Party Advisory
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