CVE Vulnerabilities

CVE-2020-20896

NULL Pointer Dereference

Published: Sep 20, 2021 | Modified: Nov 21, 2024
CVSS 3.x
8.8
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.x
6.8 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P
RedHat/V2
RedHat/V3
Ubuntu
MEDIUM
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An issue was discovered in function latm_write_packet in libavformat/latmenc.c in Ffmpeg 4.2.1, allows attackers to cause a Denial of Service or other unspecified impacts due to a Null pointer dereference.

Weakness

The product dereferences a pointer that it expects to be valid but is NULL.

Affected Software

NameVendorStart VersionEnd Version
FfmpegFfmpeg4.2.1 (including)4.2.1 (including)
FfmpegUbuntubionic*
FfmpegUbuntutrusty*
FfmpegUbuntuupstream*
Qtwebengine-opensource-srcUbuntubionic*
Qtwebengine-opensource-srcUbuntufocal*
Qtwebengine-opensource-srcUbuntuhirsute*
Qtwebengine-opensource-srcUbuntuimpish*
Qtwebengine-opensource-srcUbuntukinetic*
Qtwebengine-opensource-srcUbuntulunar*
Qtwebengine-opensource-srcUbuntumantic*
Qtwebengine-opensource-srcUbuntuoracular*
Qtwebengine-opensource-srcUbuntuplucky*
Qtwebengine-opensource-srcUbuntutrusty*
Qtwebengine-opensource-srcUbuntuxenial*

Potential Mitigations

References