CVE-2019-17542

critical

Description

FFmpeg before 4.2 has a heap-based buffer overflow in vqa_decode_chunk because of an out-of-array access in vqa_decode_init in libavcodec/vqavideo.c.

References

Advisories

https://www.debian.org/security/2020/dsa-4722

https://usn.ubuntu.com/4431-1/

https://security.gentoo.org/glsa/202003-65

https://lists.debian.org/debian-lts-announce/2020/07/msg00022.html

https://lists.debian.org/debian-lts-announce/2019/12/msg00003.html

https://github.com/FFmpeg/FFmpeg/commit/02f909dc24b1f05cfbba75077c7707b905e63cd2

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15919

Details

Source: Mitre, NVD

Published: 2019-10-14

Updated: 2021-07-21

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: 9.8

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

Severity: Critical

EPSS

EPSS: 0.00639