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Fencer Intel
medium 6.8

CVE-2013-7015 json

The flashsv_decode_frame function in libavcodec/flashsv.c in FFmpeg before 2.1 does not properly validate a certain height value, which all…

published 2013-12-09 12 y ago modified 2026-06-17 4 mo ago also EUVD-2013-6816

cvss
6.8
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.6%
EPSS 2.6% chance of exploitation in 30 days, percentile 85%
public exploits
0
none known

Summary

The flashsv_decode_frame function in libavcodec/flashsv.c in FFmpeg before 2.1 does not properly validate a certain height value, which allows remote attackers to cause a denial of service (out-of-bounds array access) or possibly have unspecified other impact via crafted Flash Screen Video data.

Patch / fix

  • ffmpeg Debian 14, Debian 13, Debian 12 7:2.4.1-1

debian advisories DEBIAN-CVE-2013-7015

Exploit prediction

2.56% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/FFmpeg/FFmpeg/commit/880c73cd76109697447fbfbaa8e5ee5683309446 referenced PoC, tagged "exploit" by a source, unverified
  • trac.ffmpeg.org https://trac.ffmpeg.org/ticket/2844 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-20 Improper Input Validation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.