EUVD-2026-19624
GHSA-g53g-r75r-95g5
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
4Tags
Description
A heap-based buffer overflow vulnerability exists in the lossless_jpeg_load_raw functionality of LibRaw Commit 0b56545 and 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-based buffer overflow in LibRaw's lossless JPEG processing (commits 0b56545 and d20315b) allows unauthenticated remote attackers to achieve arbitrary code execution by providing a malicious image file. The vulnerability scores CVSS 9.8 (Critical) with network attack vector, low complexity, and no authentication required. …
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Remediation
Within 24 hours: Identify all systems running LibRaw (check dependencies in web apps, image processors, and document handlers); disable or restrict image upload functionality if feasible; implement input validation to reject suspicious JPEG files. Within 7 days: Apply compensating controls (see below); prepare emergency patching procedures; communicate with dependent applications and vendors. …
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