SUSE SLED15: ffmpeg / libavcodec-devel / libavcodec57 / libavdevice57 / etc (SUSE-SU-2021:2919-1)

high Nessus Plugin ID 153011

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Synopsis

The remote SUSE host is missing one or more security updates.

Description

The remote SUSE Linux SLED15 / SLES15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2021:2919-1 advisory.

- CVE-2019-9721: Fix denial of service in the subtitle decoder in handle_open_brace from libavcodec/htmlsubtitles.c (bsc#1129714).
- CVE-2020-22046: Fix a denial of service vulnerability exists in FFmpeg 4.2 due to a memory leak in the avpriv_float_dsp_allocl function in libavutil/float_dsp.c (bsc#1186849).
- CVE-2020-22048: Fix a denial of service vulnerability exists in FFmpeg 4.2 due to a memory leak in the ff_frame_pool_get function in framepool.c (bsc#1186859).
- CVE-2020-22049: Fix a denial of service vulnerability exists in FFmpeg 4.2 due to a memory leak in the wtvfile_open_sector function in wtvdec.c (bsc#1186861).
- CVE-2020-22054: Fix a denial of service vulnerability exists in FFmpeg 4.2 due to a memory leak in the av_dict_set function in dict.c (bsc#1186863).
- CVE-2020-21688: Fixed a heap-use-after-free in the av_freep function in libavutil/mem.c (bsc#1189348).
- CVE-2020-21697: Fixed a heap-use-after-free in the mpeg_mux_write_packet function in libavformat/mpegenc.c (bsc#1189350).
- CVE-2021-38114: Fixed a not checked return value of the init_vlc function (bsc#1189142).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

Plugin Details

Severity: High

ID: 153011

File Name: suse_SU-2021-2919-1.nasl

Version: 1.5

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 9/4/2021

Updated: 6/25/2026

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.15

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

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

CVSS Score Source: CVE-2020-21688

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.9

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

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:libavcodec57, p-cpe:/a:novell:suse_linux:libavutil-devel, p-cpe:/a:novell:suse_linux:libavutil55, p-cpe:/a:novell:suse_linux:libpostproc-devel, p-cpe:/a:novell:suse_linux:libpostproc54, p-cpe:/a:novell:suse_linux:libswresample-devel, p-cpe:/a:novell:suse_linux:libswresample2, p-cpe:/a:novell:suse_linux:libswscale-devel, p-cpe:/a:novell:suse_linux:libswscale4, p-cpe:/a:novell:suse_linux:ffmpeg, p-cpe:/a:novell:suse_linux:libavdevice57, p-cpe:/a:novell:suse_linux:libavfilter6, p-cpe:/a:novell:suse_linux:libavformat57, p-cpe:/a:novell:suse_linux:libavresample3, p-cpe:/a:novell:suse_linux:libavcodec-devel, p-cpe:/a:novell:suse_linux:libavformat-devel, p-cpe:/a:novell:suse_linux:libavresample-devel, p-cpe:/a:novell:suse_linux:libavresample3-32bit, p-cpe:/a:novell:suse_linux:libavresample3-64bit

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/2/2021

Vulnerability Publication Date: 3/12/2019

Reference Information

CVE: CVE-2019-9721, CVE-2020-21688, CVE-2020-21697, CVE-2020-22046, CVE-2020-22048, CVE-2020-22049, CVE-2020-22054, CVE-2021-38114

SuSE: SUSE-SU-2021:2919-1

Detections

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