| Name | CVE-2026-20889 |
| Description | A heap-based buffer overflow vulnerability exists in the x3f_thumb_loader functionality of LibRaw Commit d20315b. A specially crafted malicious file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1133845 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| libraw (PTS) | bullseye | 0.20.2-1+deb11u1 | vulnerable |
| bullseye (security) | 0.20.2-1+deb11u2 | vulnerable |
| bookworm | 0.20.2-2.1+deb12u1 | vulnerable |
| trixie | 0.21.4-2 | vulnerable |
| forky, sid | 0.22.1-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| libraw | source | (unstable) | 0.22.1-1 | | | 1133845 |
Notes
[trixie] - libraw <no-dsa> (Minor issue)
https://talosintelligence.com/vulnerability_reports/TALOS-2026-2358
https://github.com/LibRaw/LibRaw/commit/657b68d20456eaeb9639976f328827195ff41383
https://github.com/LibRaw/LibRaw/commit/b9809e410d07ca7bf408e6d036615fb34f8c47cc (0.22.1)