by Kastro
Paper/Archive/CVE-2026-20911

CVE-2026-20911

LibRaw LibRaw — A heap-based buffer overflow vulnerability exists in the HuffTable::initval functionality of LibRaw Commit 0b56545 and Commit d20315b.

EPSS 0.6%CVSS 9.8
critical.is priorityof 100
39
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 50.2.502 × 2010.0No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
LibRawCommit 0b56545–CNA
LibRawCommit d20315b–CNA
Red Hat Enterprise Linux 6see advisory–redhat-SADP
Red Hat Enterprise Linux 7see advisory–redhat-SADP
Red Hat Enterprise Linux 7see advisory–redhat-SADP
Red Hat Enterprise Linux 8see advisory–redhat-SADP
Red Hat Enterprise Linux 8see advisory–redhat-SADP
Red Hat Enterprise Linux 9see advisory–redhat-SADP

Scores by source

talos (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
redhat-SADP (CNA)7.5CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

reftalosintelligence.com/vulnerability_reports/TALOS-2026-2330reftalosintelligence.com/vulnerability_reports/TALOS-2026-2330refaccess.redhat.com/security/cve/CVE-2026-20911refbugzilla.redhat.com/show_bug.cgi?id=2455959refsecurity.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-20911.json