High7.3Red Hat & Ubuntu Linux
Heap-based buffer overflow via crafted PixarLog-compressed TIFF image
CVE-2026-12912 Published Apr 16, 2026
CVE-2026-12912
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
Summary
Heap-based buffer overflow via crafted PixarLog-compressed TIFF image. Red Hat rates this important (CVSS 7.3). Weakness: CWE-122. Affected package(s): libtiff-main. Resolved in Red Hat advisory RHSA-2026:34890 — update the affected packages (`sudo dnf update`).
Affected versions
- libtiff-main-4.7.1-2.4.hum1
Official advisory · high-confidence parse· fetched 6 hours ago·verify at source
Fixed versions
- RHSA-2026:34890
Official advisory · high-confidence parse· fetched 6 hours ago·verify at source
Mitigation checklist
Recommended fix / mitigation
- Update the affected package(s) to the fixed version shipped in RHSA-2026:34890 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 6 hours ago·verify at source
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