CVE-2019-17539 — NULL Pointer Dereference in Ffmpeg

CWE-476 — NULL Pointer Dereference6 documents5 sources
Severity
9.8CRITICALNVD
OSV7.5
EPSS
0.7%
top 28.69%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
FfmpegDebian FfmpegCanonical Ubuntu Linux+1 more
Timeline
PublishedOct 14
Latest updateMay 24

Description

In FFmpeg before 4.2, avcodec_open2 in libavcodec/utils.c allows a NULL pointer dereference and possibly unspecified other impact when there is no valid close function pointer.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages4 packages

▶NVDffmpeg/ffmpeg4.0 — 4.0.5+2
▶debiandebian/ffmpeg< ffmpeg 7:4.2.1-1 (bookworm)
▶Debianffmpeg/ffmpeg< 7:4.2.1-1+3
▶Ubuntuffmpeg/ffmpeg< 7:2.8.17-0ubuntu0.1+2

Also affects: Debian Linux 10.0, 9.0, Ubuntu Linux 16.04, 18.04, 20.04

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

3
GHSA
GHSA-wmwf-43vq-qhq2: In FFmpeg before 4↗2022-05-24
▶
OSV
ffmpeg vulnerabilities↗2020-07-22
▶
OSV
CVE-2019-17539: In FFmpeg before 4↗2019-10-14
▶

📋Vendor Advisories

2
Ubuntu
FFmpeg vulnerabilities↗2020-07-22
▶
Debian
CVE-2019-17539: ffmpeg - In FFmpeg before 4.2, avcodec_open2 in libavcodec/utils.c allows a NULL pointer ...↗2019
▶