critical9.8
CVE-2026-20889
A heap-based buffer overflow vulnerability exists in the x3f_thumb_loader functionality of LibRaw Commit d20315b.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Libraw | Libraw | Version 0.22.0 |
Weakness classification
References
- NVD record
- CVE.org record
- https://talosintelligence.com/vulnerability_reports/TALOS-2026-2358
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2026-2358
- https://access.redhat.com/errata/RHSA-2026:13284
- https://access.redhat.com/errata/RHSA-2026:14224
- https://access.redhat.com/errata/RHSA-2026:14655
- https://access.redhat.com/errata/RHSA-2026:14673
- https://access.redhat.com/security/cve/CVE-2026-20889
- https://bugzilla.redhat.com/show_bug.cgi?id=2455942
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-20889.json