CVE-2026-20911
Critical · CVSS 9.8LibRaw — heap-based buffer overflow
- CVSS
- 9.8
- nvd
- EPSS
- —
- KEV
- No
- Class
- other
- CWE-131, CWE-120
Description
A heap-based buffer overflow vulnerability exists in the HuffTable::initval functionality of LibRaw Commit 0b56545 and 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.
Search profile — drives PoC discovery
Symbols HuffTable::initvalHuffTableinitval
Keywords CVE-2026-20911LibRawHuffTableinitvalheap buffer overflowTALOS-2026-2330CWE-131CWE-120LibRaw heap overflowLibRaw PoC
Versions: Commit 0b56545, Commit d20315b
References
- https://talosintelligence.com/vulnerability_reports/TALOS-2026-2330
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2026-2330
- https://access.redhat.com/security/cve/CVE-2026-20911
- https://bugzilla.redhat.com/show_bug.cgi?id=2455959
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-20911.json
Status: enriched · ingested 2026-06-30T06:00:22.000Z · profiled 2026-06-30T18:30:14.000Z