CVE-2026-20889

CriticalCVSS 9.8/10Last modified Jul 15, 2026

Description

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Apr 7, 2026
Last modified
Jul 15, 2026
NVD status
Modified

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CVE-2026-20889: Critical severity, CVSS 9.8 | Vulnix