Description
Gifsicle v1.9.3 was discovered to contain a heap buffer overflow via the ambiguity_error component at /src/clp.c.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | gifsicle | 1.94-1 | — |
| Debian 13 | gifsicle | 1.94-1 | — |
| Debian 12 | gifsicle | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | gifsicle | No fix yet | — |
| Ubuntu 26.04 LTS | gifsicle | No fix yet | — |
| Ubuntu 25.10 | gifsicle | No fix yet | — |
| Ubuntu 24.04 LTS | gifsicle | No fix yet | — |
| Ubuntu 22.04 LTS | gifsicle | No fix yet | — |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | gifsicle | No fix yet | — |
| Ubuntu 18.04 LTS | gifsicle | No fix yet | — |
| Ubuntu Pro 16.04 LTS | gifsicle | No fix yet | — |
| Ubuntu Pro 14.04 LTS | gifsicle | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Package Hub 15 SP5 | gifsicle | 1.94-bp155.3.3.1 | openSUSE-SU-2023:0160-1 |
| SUSE Package Hub 15 SP4 | gifsicle | 1.94-bp155.3.3.1 | openSUSE-SU-2023:0160-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | gifsicle | 1.94-1.1 | openSUSE-SU-2024:13023-1 |
| openSUSE Leap 15.5 | gifsicle | 1.94-bp155.3.3.1 | openSUSE-SU-2023:0160-1 |
| openSUSE Leap 15.4 | gifsicle | 1.94-bp155.3.3.1 | openSUSE-SU-2023:0160-1 |
Advisories 2
- openSUSE-SU-2024:13023-1 gifsicle-1.94-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2023:0160-1 Security update for gifsicle SUSE / openSUSE Security Updates · Feb 4, 2026