CVSS Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
4Description
A heap-based buffer overflow vulnerability exists in the x3f_load_huffman 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.
Analysis
Heap buffer overflow in LibRaw's x3f_load_huffman function (commit d20315b) allows remote attackers to achieve arbitrary code execution via malicious X3F image files. The vulnerability stems from an integer overflow (CWE-190) leading to heap corruption. …
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Remediation
Within 24 hours: inventory all systems and applications using LibRaw and identify version numbers; disable or restrict X3F file processing where possible. Within 7 days: contact LibRaw maintainers and Sigma camera vendors for patch availability timeline and interim guidance; implement file-type validation to reject X3F uploads. …
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-19628
GHSA-6mmg-qj2r-7jcf