CVE-2026-21413 CRITICAL

CVE-2026-21413

Vendor Libraw
Product LibRaw
Weakness CWE-129
Published April 7, 2026
Last update June 30, 2026

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

A heap-based buffer overflow vulnerability exists in the lossless_jpeg_load_raw 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.

Key dates

02Disclosure timeline

April 7, 2026 CVE published
June 30, 2026 Record updated