CVE-2015-6823

high

Description

The allocate_buffers function in libavcodec/alac.c in FFmpeg before 2.7.2 does not initialize certain context data, which allows remote attackers to cause a denial of service (segmentation violation) or possibly have unspecified other impact via crafted Apple Lossless Audio Codec (ALAC) data.

References

https://lists.debian.org/debian-lts-announce/2018/12/msg00010.html

http://www.securitytracker.com/id/1033483

http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=f7068bf277a37479aecde2832208d820682b35e6

http://ffmpeg.org/security.html

Details

Source: Mitre, NVD

Published: 2015-09-06

Updated: 2025-04-12

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00703