CVE-2026-66041
CVE-2026-66041: 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-2026-66041] Arbitrary code execution via crafted PGS/SUP subtitle file
CVE-2026-66041Source published Source updated
FFmpeg 7.0 through 8.1.2, fixed in commit 4da9812, contains a heap out-of-bounds write vulnerability in the vf_quirc filter that allows an attacker to corrupt heap memory by supplying a crafted PGS/SUP subtitle file with mismatched frame dimensions. Attackers can provide a subtitle file whose second presentation has larger dimensions than its first, causing av_image_copy_plane() to copy data exceeding the initial allocation size into the undersized libquirc grayscale image buffer, resulting in heap corruption and process crash with potential for code execution. A flaw was found in FFmpeg's `vf_quirc` filter, which handles subtitle processing. This file, with mismatched frame dimensions, can cause the software to write data beyond the allocated memory buffer. Successful exploitation can…
- Affected products in this advisory
- Red Hat Enterprise Linux AI (RHEL AI) 3
- Red Hat OpenShift AI (RHOAI)
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- 8.1.2
- Mitigation guidance
- No mitigation guidance extracted; consult the source.
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