High7.5Red Hat & Ubuntu Linux
Heap buffer overflow in libvpx
CVE-2026-2447 Published Feb 16, 2026
CVE-2026-2447
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
Summary
Heap buffer overflow in libvpx. Red Hat rates this important (CVSS 7.5). Affected package(s): libvpx, thunderbird, rhaiis/vllm-rocm-rhel9:1775680262, firefox, rhaiis/vllm-cuda-rhel9:1775680192, rhaiis/vllm-spyre-rhel9:1778244546. Resolved in Red Hat advisory RHSA-2026:3967 — update the affected packages (`sudo dnf update`).
Affected versions
- libvpx-0:1.14.1-6.el10_1
- thunderbird-0:140.8.0-1.el9_0
- thunderbird-0:140.8.0-1.el8_6
- thunderbird-0:140.8.0-1.el9_6
- thunderbird-0:140.8.0-1.el8_8
- thunderbird-0:140.8.0-1.el9_7
- thunderbird-0:140.8.0-1.el8_2
- thunderbird-0:140.8.0-1.el9_2
- libvpx-0:1.9.0-9.el9_6.1
- rhaiis/vllm-rocm-rhel9:1775680262
- thunderbird-0:140.8.0-1.el9_4
- libvpx-0:1.3.0-8.el7_9.3
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
Fixed versions
- RHSA-2026:3967
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
Mitigation checklist
Recommended fix / mitigation
- Update the affected package(s) to the fixed version shipped in RHSA-2026:3967 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
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