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CVE-2026-66040 FFmpeg Heap Out-of-Bounds Write via PNG/APNG eXIf Encoder

🗓️ 24 Jul 2026 19:46:25Reported by VulnCheckType 
vulnrichment
 vulnrichment
🔗 github.com👁 10 Views

FFmpeg before 8.1.3 has heap out-of-bounds write in PNG/APNG eXIf encoder via crafted eXIf chunk.

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28 Jul 2026 01:06Current
6.3Medium risk
Vulners AI Score6.3
CVSS 48.7
CVSS 3.18.8
EPSS0.00513
SSVC
10