Description
A Denial of Service vulnerability exists in jhead 3.04 and 3.05 via a wild address read in the ProcessCanonMakerNoteDir function in makernote.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 | jhead | 1:3.06.0.1-2 | — |
| Debian 13 | jhead | 1:3.06.0.1-2 | — |
| Debian 12 | jhead | 1:3.06.0.1-2 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | jhead | 1:3.04-1ubuntu0.1 | USN-6098-1 |
| Ubuntu 18.04 LTS | jhead | 1:3.00-8~ubuntu0.1 | USN-6098-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | jhead | 1:3.00-4+deb9u1ubuntu0.1~esm1 | USN-6098-1 |
| Ubuntu Pro 14.04 LTS | jhead | 1:2.97-1+deb8u2ubuntu0.1~esm1 | USN-6098-1 |
Advisories 1
- USN-6098-1 Jhead vulnerabilities Ubuntu Security Notices (USN) · Jun 29, 2026
References
- https://github.com/Matthias-Wandel/jhead/issues/1
- GLSA-202210-17 vendor-advisory