CVE-2014-5271

Severity: high (CVSS 7.5 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2014-11-03 · updated 2026-06-17
Weakness: CWE-119

Description

Heap-based buffer overflow in the encode_slice function in libavcodec/proresenc_kostya.c in FFMpeg before 1.1.14, 1.2.x before 1.2.8, 2.x before 2.2.7, and 2.3.x before 2.3.3 and Libav before 10.5 allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via unspecified vectors.

Affected products

FFmpeg: through 1.1.13; 1.1, 1.1.1, 1.1.2, 1.1.3, 1.1.4, 1.1.5 (+30)
libav: through 10.4; 0.5, 0.5.1, 0.5.2, 0.5.3, 0.5.4, 0.5.5 (+35)

References

http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=52b81ff4635c077b2bc8b8d3637d933b6629d803
http://www.osvdb.org/111725
http://www.securityfocus.com/bid/69250
https://security.gentoo.org/glsa/201603-06
https://www.ffmpeg.org/security.html
http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=52b81ff4635c077b2bc8b8d3637d933b6629d803
http://www.osvdb.org/111725
http://www.securityfocus.com/bid/69250
https://security.gentoo.org/glsa/201603-06
https://www.ffmpeg.org/security.html

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