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CVE-2026-125253: FFmpeg: FFmpeg through 9.0.2 contains an integer overflow in cbs_vp9_split_fragment() in libavcodec/cbs_vp9.c that wraps the…

🗓️ 09 Nov 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com👁 4 Views

Integer overflow in FFmpeg cbs_vp9_split_fragment() causes out-of-bounds reads on 32-bit.

Related
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-125253
9 Nov 202620:28
–circl
cve
CVE
CVE-2026-125253
9 Nov 202619:11
–cve
cvelist
Cvelist
CVE-2026-125253 FFmpeg through 9.0.2 VP9 CBS Superframe Integer Overflow Out-of-Bounds Read
9 Nov 202619:11
–cvelist
euvd
EUVD
EUVD-2026-120203
9 Nov 202619:11
–euvd
mend
Mend
CVE-2026-125253
9 Nov 202619:11
–mend
nvd
NVD
CVE-2026-125253
9 Nov 202620:18
–nvd
ptsecurity
Positive Technologies
PT-2026-141081
9 Nov 202600:00
–ptsecurity

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09 Nov 2026 00:00Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.15.3
CVSS 45.8
EPSS0.00122
4