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.
History

Tue, 07 Apr 2026 18:00:00 +0000


Tue, 07 Apr 2026 15:15:00 +0000

Type Values Removed Values Added
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.
Weaknesses CWE-190
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


cve-icon MITRE

Status: PUBLISHED

Assigner: talos

Published:

Updated: 2026-04-07T16:23:21.141Z

Reserved: 2026-01-26T13:34:18.923Z

Link: CVE-2026-20889

cve-icon Vulnrichment

Updated: 2026-04-07T16:23:21.141Z

cve-icon NVD

Status : Received

Published: 2026-04-07T15:17:35.300

Modified: 2026-04-07T17:16:26.673

Link: CVE-2026-20889

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.