CVE-2021-45909
gif2apng - security update
7.8
HIGH
CVSS 3.1
EPSS 0.31%
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.
How to fix CVE-2021-45909
To remediate CVE-2021-45909, upgrade the affected package to a fixed version below.
- Debian/gif2apng—upgrade to 1.9+srconly-3+deb11u1 or later
- —upgrade to 1.9+srconly-2+deb9u2 or later
Is CVE-2021-45909 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1.9+srconly-3+deb11u1
- from 0, < 1.9+srconly-2+deb9u2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |