CVE-2026-66036
CVE-2026-66036: 1 tracked advisory record across Red Hat. Compare source-reported impact, fixes and remediation.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Red Hat
1 advisory- Advisory severityHigh8.8
High [CVE-2026-66036] Arbitrary code execution via crafted video in vf_hqdn3d filter
CVE-2026-66036Source published Source updated
FFmpeg through 8.1.2, fixed in commit 5d7112c, contains a heap out-of-bounds write vulnerability in the vf_hqdn3d filter that allows attackers to corrupt heap memory by supplying a crafted video whose frame resolution increases between frames when filtergraph reinitialization is disabled via the -reinit_filter 0 option. Attackers can provide a malicious video input where vf_hqdn3d.config_input() allocates undersized per-plane line-history buffers based on the initial frame width, and subsequent larger frames cause denoise_spatial() to write beyond the allocation boundary, resulting in heap memory corruption. A flaw was found in FFmpeg. A remote attacker can exploit a heap out-of-bounds write vulnerability within the `vf_hqdn3d` filter by providing a specially crafted video file. This can…
- Affected products in this advisory
- Red Hat Enterprise Linux AI 3.3 for RHEL 9
- Red Hat Enterprise Linux AI 3.4 for RHEL 9
- Red Hat Enterprise Linux AI 3.5 for RHEL 9
- Red Hat Enterprise Linux AI (RHEL AI) 3
1 more entries in the full advisory.
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- 8.1.2
- ffmpeg-0:6.1.6-7.el9ai
- RHSA-2026:60336
- RHSA-2026:60334
1 more entries in the full advisory.
- Mitigation guidance
- No mitigation guidance extracted; consult the source.
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