| Name | CVE-2017-18120 |
| Description | A double-free bug in the read_gif function in gifread.c in gifsicle 1.90 allows a remote attacker to cause a denial-of-service attack or unspecified other impact via a maliciously crafted file, because last_name is mishandled, a different vulnerability than CVE-2017-1000421. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 878739, 881120 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| gifsicle (PTS) | jessie, jessie (lts) | 1.86-1+deb8u1 | vulnerable |
| stretch (security), stretch (lts), stretch | 1.88-3+deb9u1 | vulnerable |
| buster | 1.91-5 | fixed |
| bullseye | 1.92-2 | fixed |
| bookworm | 1.93-2 | fixed |
| sid, trixie | 1.94-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| gifsicle | source | (unstable) | 1.91-1 | unimportant | | 878739, 881120 |
Notes
https://github.com/kohler/gifsicle/issues/117
https://github.com/kohler/gifsicle/commit/118a46090c50829dc543179019e6140e1235f909
Crash in CLI tool, no security impact