VulnerabilityModified
CVE-2026-20911
A heap-based buffer overflow vulnerability exists in the HuffTable::initval functionality of LibRaw Commit 0b56545 and Commit d20315b.
CRITICAL 9.8EPSS 0.63%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.63%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.63% probability · 48th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-131, CWE-120
- Affected
- libraw/libraw
- Source
- talos-cna@cisco.com
References
- https://talosintelligence.com/vulnerability_reports/TALOS-2026-2330Exploit, Third Party Advisory
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2026-2330Exploit, Third Party Advisory
- 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.