Home/CVE/FFmpeg before 4.2 has a heap-based buffer overflow in vqa_decode_chunk because of an out-of-array access in vqa_decode_i
CVE

CVE-2019-17542

FFmpeg before 4.2 has a heap-based buffer overflow in vqa_decode_chunk because of an out-of-array access in vqa_decode_i

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.

CRITICAL · CVSS 9.8 EPSS 0.0081
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-787Out-of-bounds Write
▤

Affected Products & Versions

7
ffmpeg< 2.8.16
ffmpeg>= 3.2 and < 3.2.15
ffmpeg>= 3.4 and < 3.4.7
ffmpeg>= 4.0 and < 4.0.5
ffmpeg>= 4.1 and < 4.1.5
canonical ubuntu linuxall versions
debian linuxall versions
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD14 Oct 2019 · 02:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

3
usnUSN-4431-1
suse-csafSUSE-SU-2019:3184-2
suse-csafSUSE-SU-2019:3184-1
🔗

References & Sources

7
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15919Issue TrackingThird Party Advisory
https://github.com/FFmpeg/FFmpeg/commit/02f909dc24b1f05cfbba75077c7707b905e63cd2PatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/12/msg00003.htmlMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/07/msg00022.htmlMailing ListThird Party Advisory
https://security.gentoo.org/glsa/202003-65Third Party Advisory
https://usn.ubuntu.com/4431-1/Third Party Advisory
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