Description
jhead through 3.04 has a heap-based buffer over-read in process_DQT in jpgqguess.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 | No fix yet | — |
| Debian 13 | jhead | No fix yet | — |
| Debian 12 | jhead | No fix yet | — |
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 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Package Hub 15 SP2 | jhead | 3.06.0.1-bp152.4.6.1 | openSUSE-SU-2021:0752-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.2 | jhead | 3.06.0.1-lp152.7.6.1 | openSUSE-SU-2021:0743-1 |
Advisories 3
- USN-6098-1 Jhead vulnerabilities Ubuntu Security Notices (USN) · Jun 29, 2026
- openSUSE-SU-2021:0743-1 Security update for jhead SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:0752-1 Security update for jhead SUSE / openSUSE Security Updates · May 7, 2025