PT-2026-30831 · Libraw · Libraw

Francesco Benvenuto · Published 2026-04-07 · Updated 2026-04-22 · CVE-2026-20911

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions LibRaw versions Commit 0b56545 and Commit d20315b

Description A heap-based buffer overflow vulnerability exists in the HuffTable::initval functionality. A specially crafted malicious file can trigger a heap buffer overflow. An attacker can provide a malicious file to exploit this issue.

Recommendations Update to a newer version that contains a fix for this vulnerability.

Exploit

Fix

Weakness Enumeration

CWE-131

Related Identifiers

CVE-2026-20911

ECHO-4306-7F98-795C

OPENSUSE-SU-2026:10565-1

OPENSUSE-SU-2026:20574-1

SUSE-SU-2026:1438-1

SUSE-SU-2026:1555-1

SUSE-SU-2026:1556-1

Affected Products

Libraw

References · 33

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2026-2330 · Exploit
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-20911 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-20911 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2026:20574-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:1556-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-20911 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2026:10565-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:1555-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-20911 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2026-20911 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-20911 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:1438-1 · Vendor Advisory
• https://osv.dev/vulnerability/ROOT-OS-DEBIAN-13-CVE-2026-20911 · Vendor Advisory
• https://github.com/LibRaw/LibRaw/commit/a6734e867b19d75367c05f872ac26322464e3995 · Note
• https://twitter.com/infoflowcloud/status/2041714239937634727 · Twitter Post