CVE-2021-45909

Published: 28 December 2021

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.

Priority

CVSS 3 base score: 7.8

Status

Package	Release	Status
gif2apng Launchpad, Ubuntu, Debian	bionic	Needs triage
	focal	Needs triage
	hirsute	Ignored (reached end-of-life)
	impish	Needs triage
	trusty	Ignored (out of standard support)
	upstream	Needs triage
	xenial	Ignored (out of standard support)

References

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-45909
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1002668
NVD
Launchpad
Debian

Bugs

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1002668

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