CVE-2026-21413 — CRITICAL (9.8)

Vulnerability Description

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.

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Libraw	Libraw	0.22.0

Related Weaknesses (CWE)

CWE-129

References

https://talosintelligence.com/vulnerability_reports/TALOS-2026-2331ExploitThird Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2026-2331ExploitThird Party Advisory

FAQ

What is CVE-2026-21413?

CVE-2026-21413 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 ...

How severe is CVE-2026-21413?

CVE-2026-21413 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-21413?

Check the references section above for vendor advisories and patch information. Affected products include: Libraw Libraw.