CVE catalog
CVE-2021-45911
UBUNTU-CVE-2021-45911
- Severity
- Unknown
- Published
- Updated
- Source
- [NVD] · [CVE record]
- EPSS
- 0.90% · Oct 25, 2026
An issue was discovered in gif2apng 1.9. There is a heap-based buffer overflow in the main function. It allows an attacker to write 2 bytes outside the boundaries of the buffer.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | gif2apng | 11 | 1.9+srconly-3 | vulnerable |
| Debian | gif2apng | 11 | 1.9+srconly-3+deb11u1 | fixed |
| Ubuntu | gif2apng | pro | 1.7-3 | vulnerable |
| Ubuntu | gif2apng | pro | 1.7-3ubuntu0.1~esm1 | fixed |
| Ubuntu | gif2apng | 18.04 | 1.9+srconly-2 | vulnerable |
| Ubuntu | gif2apng | 18.04 | 1.9+srconly-2ubuntu0.1 | fixed |
| Ubuntu | gif2apng | 20.04 | 1.9+srconly-3 | vulnerable |
| Ubuntu | gif2apng | 20.04 | 1.9+srconly-3build1 | vulnerable |
| Ubuntu | gif2apng | 20.04 | 1.9+srconly-3ubuntu0.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | gif2apng | deb | 11 | 1.9+srconly-3+deb11u1 | Not reported | DEBIAN-CVE-2021-45911 | Not reported |
| Ubuntu | gif2apng | deb | pro | 1.7-3ubuntu0.1~esm1 | Not reported | UBUNTU-CVE-2021-45911 | Not reported |
| Ubuntu | gif2apng | deb | 18.04 | 1.9+srconly-2ubuntu0.1 | Not reported | UBUNTU-CVE-2021-45911 | Not reported |
| Ubuntu | gif2apng | deb | 20.04 | 1.9+srconly-3ubuntu0.1 | Not reported | UBUNTU-CVE-2021-45911 | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed: