Description
Stack-based buffer overflow in the jbg_dec_in function in libjbig/jbig.c in JBIG-KIT before 2.1 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a crafted image file.
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 | 2.0-2.1 | — |
| Debian 13 | jbigkit | 2.0-2.1 | — |
| Debian 12 | jbigkit | 2.0-2.1 | — |
| Debian 7 | jbigkit | 2.0-2+deb7u1 | DSA-2900-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | jbigkit | 2.0-2ubuntu4.1 | USN-2190-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | jbigkit | 2.1-3.8 | openSUSE-SU-2024:10541-1 |
Advisories 3
- USN-2190-1 jbigkit vulnerability Ubuntu Security Notices (USN) · Apr 22, 2026
- DSA-2900-1 jbigkit - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:10541-1 jbigkit-2.1-3.8 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1032273
- 57731 third-party-advisory
- https://www.cl.cam.ac.uk/~mgk25/jbigkit/CHANGES
- 66697 vdb-entry