What’s Vulnerable › Vulnerabilities

CVE-2015-6826

• Severity: high (CVSS 7.5 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2015-09-06 · updated 2026-06-17
• Weakness: CWE-20

Description

The ff_rv34_decode_init_thread_copy function in libavcodec/rv34.c in FFmpeg before 2.7.2 does not initialize certain structure members, which allows remote attackers to cause a denial of service (invalid pointer access) or possibly have unspecified other impact via crafted (1) RV30 or (2) RV40 RealVideo data.

Affected products

• Canonical Ubuntu Linux: 12.04
• FFmpeg: through 2.7.1

References

• http://ffmpeg.org/security.html
• http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=3197c0aa87a3b7190e17d49e6fbc7b554e4b3f0a
• http://www.securitytracker.com/id/1033483
• http://www.ubuntu.com/usn/USN-2944-1
• https://lists.debian.org/debian-lts-announce/2018/12/msg00009.html
• http://ffmpeg.org/security.html
• http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=3197c0aa87a3b7190e17d49e6fbc7b554e4b3f0a
• http://www.securitytracker.com/id/1033483
• http://www.ubuntu.com/usn/USN-2944-1
• https://lists.debian.org/debian-lts-announce/2018/12/msg00009.html

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