Description
In LibTIFF 4.0.8, there is a memory malloc failure in tif_jbig.c. A crafted TIFF document can lead to an abort resulting in a remote denial of service attack.
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 | jbigkit | No fix yet | — |
| Debian 13 | jbigkit | No fix yet | — |
| Debian 12 | jbigkit | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | jbigkit | 2.1-3.1ubuntu0.22.04.1 | USN-5742-1 |
| Ubuntu 20.04 LTS | jbigkit | 2.1-3.1ubuntu0.20.04.1 | USN-5742-1 |
| Ubuntu 18.04 LTS | jbigkit | 2.1-3.1ubuntu0.18.04.1 | USN-5742-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | jbigkit | 2.1-3.1ubuntu0.1~esm1 | USN-5742-1 |
| Ubuntu Pro 14.04 LTS | jbigkit | 2.0-2ubuntu4.1+esm1 | USN-5742-1 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | openjpeg2 | No fix yet | — |
Advisories 1
- USN-5742-1 jbigkit vulnerability Ubuntu Security Notices (USN) · Jun 29, 2026