| Name | CVE-2017-6961 |
| Description | An issue was discovered in apng2gif 1.7. There is improper sanitization of user input causing huge memory allocations, resulting in a crash. This is related to the read_chunk function using the pChunk->size value (within the PNG file) to determine the amount of memory to allocate. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-2911-1 |
| Debian Bugs | 854441 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| apng2gif (PTS) | bullseye | 1.8-2 | fixed |
| bookworm | 1.8-4 | fixed |
| sid, trixie | 1.8-5 | fixed |
The information below is based on the following data on fixed versions.
Notes
[jessie] - apng2gif <not-affected> (Vulnerable code introduced later with refactoring)
[wheezy] - apng2gif <not-affected> (Vulnerable code introduced later with refactoring)