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CVE-2026-20889 - Vulnerability Analysis

CriticalCVSS: 9.8

Last Updated: April 7, 2026

LibRaw - Buffer Overflow

Published: April 7, 2026Updated: April 7, 2026Remote Exploitable

Overview

LibRaw contains a heap-based buffer overflow caused by improper handling in x3f_thumb_loader functionality, letting attackers trigger memory corruption by providing a malicious file.

Severity & Score

Severity: Critical

CVSS Score: 9.8

Impact

Attackers can cause memory corruption leading to potential code execution or application crash.

Mitigation

Update to the latest version of LibRaw.

References

https://talosintelligence.com/vulnerability_reports/TALOS-2026-2358
https://www.talosintelligence.com/vulnerability_reports/TALOS-2026-2358

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Details

CVE ID: CVE-2026-20889
Severity: Critical
CVSS Score: 9.8
Type: buffer_overflow
Status: new

CWE

CWE-190

CVSS Metrics

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