CVE-2021-45909
HIGH7.8EPSS 0.31%gif2apng - security update
Published: 12/28/2021Modified: 4/28/2026
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 packages (2)
- Debian/gif2apngfrom 0, < 1.9+srconly-3+deb11u1
- Debian/gif2apngfrom 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 |