High7.5Red Hat & Ubuntu Linux
Arbitrary code execution via heap-based buffer overflow in lossless JPEG loading
CVE-2026-21413 Published Apr 7, 2026
CVE-2026-21413
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
Summary
Arbitrary code execution via heap-based buffer overflow in lossless JPEG loading. Red Hat rates this important (CVSS 7.5). Weakness: CWE-787. Affected package(s): LibRaw. Resolved in Red Hat advisory RHSA-2026:11360 — update the affected packages (`sudo dnf update`).
Affected versions
- LibRaw-0:0.19.5-2.el8_4.1
- LibRaw-0:0.21.1-2.el9_7
- LibRaw-0:0.19.5-3.el8_8.1
- LibRaw-0:0.21.1-2.el9_8
- LibRaw-0:0.21.1-2.el9_4
- LibRaw-0:0.19.5-6.el8_10
- LibRaw-0:0.19.5-3.el8_6.1
- LibRaw-0:0.21.1-2.el9_6
- LibRaw-0:0.20.2-6.el9_0
- LibRaw-0:0.20.2-6.el9_2
Official advisory · high-confidence parse· fetched 4 hours ago·verify at source
Fixed versions
- RHSA-2026:11360
Official advisory · high-confidence parse· fetched 4 hours ago·verify at source
Mitigation checklist
Recommended fix / mitigation
- Update the affected package(s) to the fixed version shipped in RHSA-2026:11360 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 4 hours ago·verify at source
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