Heap-based Buffer Overflow in LibRaw Product by LibRaw Vendor
CVE-2026-21413

9.8CRITICAL

Key Information:

Vendor

Libraw

Status
Libraw
Vendor
CVE Published:
7 April 2026

What is CVE-2026-21413?

A heap-based buffer overflow vulnerability has been identified in the lossless_jpeg_load_raw functionality of LibRaw. This vulnerability can be exploited when an attacker provides a specially crafted malicious file, potentially leading to unintended behavior or further exploits. It is crucial for users of affected versions to update their software to mitigate any risks associated with this vulnerability.

Affected Version(s)

LibRaw Commit 0b56545

LibRaw Commit d20315b

References

https://talosintelligence.com/vulnerability_reports/TALOS...

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Discovered by Francesco Benvenuto of Cisco Talos.
.