| Name | CVE-2021-3496 |
| Description | A heap-based buffer overflow was found in jhead in version 3.06 in Get16u() in exif.c when processing a crafted file. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 986923 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| jhead (PTS) | jessie, jessie (lts) | 1:2.97-1+deb8u2 | vulnerable |
| stretch | 1:3.00-4+deb9u1 | vulnerable |
| buster | 1:3.00-8 | vulnerable |
| buster (security) | 1:3.00-8+deb10u1 | vulnerable |
| bullseye (security), bullseye | 1:3.04-6+deb11u1 | fixed |
| bookworm | 1:3.06.0.1-6 | fixed |
| trixie, sid | 1:3.08-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| jhead | source | (unstable) | 1:3.04-6 | unimportant | | 986923 |
Notes
https://github.com/Matthias-Wandel/jhead/issues/33
Fixed by: https://github.com/Matthias-Wandel/jhead/commit/ca2973f4ce79279c15a09cf400648a757c1721b0
Crash in CLI tool, no security impact