PT-2026-30830 · Libraw · Libraw

Francesco Benvenuto · Published 2026-04-07 · Updated 2026-04-07 · CVE-2026-20889

NVD

CVSS v3.1

9.8

Critical

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

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.

Fix

Integer Overflow

Weakness Enumeration

CWE-190

Related Identifiers

CVE-2026-20889

Affected Products

Libraw

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-20889 · Security Note
• https://talosintelligence.com/vulnerability_reports/TALOS-2026-2358 · Note