Bug 2455959 (CVE-2026-20911)

Summary: CVE-2026-20911 LibRaw: LibRaw: Arbitrary Code Execution via specially crafted file
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: germano.massullo
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in LibRaw. A remote attacker can exploit a heap-based buffer overflow vulnerability in the HuffTable::initval functionality by providing a specially crafted malicious file. This can lead to arbitrary code execution or a denial of service (DoS) on the affected system.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Bug Depends On: 2456214, 2456215, 2456216, 2456218, 2456223, 2456227, 2456231, 2456236    
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Description OSIDB Bzimport 2026-04-07 15:06:49 UTC
A heap-based buffer overflow vulnerability exists in the HuffTable::initval 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.