Description
An integer underflow bug in the process_EXIF function of the exif.c file of jhead 3.00 raises a heap-based buffer over-read when processing a malicious JPEG file, which may allow a remote attacker to cause a denial-of-service attack or unspecified other impact.
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 | 1:3.00-6 | — |
| Debian 13 | jhead | 1:3.00-6 | — |
| Debian 12 | jhead | 1:3.00-6 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | jhead | 1:3.00-4+deb9u1ubuntu0.1~esm4 | USN-6113-1 |
| Ubuntu Pro 14.04 LTS | jhead | 1:2.97-1+deb8u2ubuntu0.1~esm4 | USN-6113-1 |
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 Tumbleweed | jhead | 3.06.0.1-1.3 | openSUSE-SU-2024:10880-1 |
| openSUSE Leap 15.2 | jhead | 3.06.0.1-lp152.7.6.1 | openSUSE-SU-2021:0743-1 |
Advisories 4
- USN-6113-1 Jhead vulnerability 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-2024:10880-1 jhead-3.06.0.1-1.3 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:0752-1 Security update for jhead SUSE / openSUSE Security Updates · May 7, 2025