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Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS : FFmpeg vulnerabilities (USN-8716-1)

critical Nessus Plugin ID 344622

Synopsis

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

Description

The remote Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS / 24.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8716-1 advisory.

 It was discovered that FFmpeg incorrectly handled certain crafted media files in the VobSub subtitle demuxer. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code.
 (CVE-2026-64830)

 It was discovered that FFmpeg incorrectly handled certain crafted DTS audio streams in the S/PDIF muxer.
 An attacker could possibly use this issue to cause a denial of service or expose sensitive information.
 (CVE-2026-64833)

 It was discovered that FFmpeg incorrectly handled certain crafted RTP/ASF streams. An attacker could possibly use this issue to cause a denial of service. (CVE-2026-64834)

 It was discovered that FFmpeg incorrectly handled certain crafted ADX audio files. This issue only affected Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. (CVE-2026-64835)

 It was discovered that FFmpeg incorrectly handled certain crafted AVI files in the TDSC video decoder. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code.
 (CVE-2026-65703)

 It was discovered that FFmpeg incorrectly handled certain crafted ffconcat files processed via the TY demuxer. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 24.04 LTS.
 (CVE-2026-65704)

 It was discovered that FFmpeg incorrectly handled certain crafted video streams in the vf_floodfill video filter. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 24.04 LTS. (CVE-2026-65705)

 It was discovered that FFmpeg incorrectly handled certain crafted NV12 video frames in the vf_swaprect video filter. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 24.04 LTS. (CVE-2026-65706)

 It was discovered that FFmpeg incorrectly handled certain crafted hvcC NAL arrays in the HEVC parser. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code.
 (CVE-2026-75141)

 It was discovered that FFmpeg incorrectly handled certain crafted MPEG system headers. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-75142)

 It was discovered that FFmpeg incorrectly handled certain crafted network input in the librist protocol handler. This issue only affected Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. (CVE-2026-75143)

 It was discovered that FFmpeg incorrectly handled certain crafted Dirac data units in the VC2 HQ RTP packetizer. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-75144)

 It was discovered that FFmpeg incorrectly handled certain crafted DASH manifests. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 24.04 LTS. (CVE-2026-75146)

Tenable has extracted the preceding description block directly from the Ubuntu 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.

See Also

https://ubuntu.com/security/notices/USN-8716-1

Plugin Details

Severity: Critical

ID: 344622

File Name: ubuntu_USN-8716-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 9/10/2026

Updated: 9/10/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 58.15

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2026-75143

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

CVSS v4

Risk Factor: Critical

Base Score: 9.3

Threat Score: 8.1

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:18.04:-:lts, cpe:/o:canonical:ubuntu_linux:20.04:-:lts, cpe:/o:canonical:ubuntu_linux:22.04:-:lts, cpe:/o:canonical:ubuntu_linux:24.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:ffmpeg, p-cpe:/a:canonical:ubuntu_linux:libavcodec-extra57, p-cpe:/a:canonical:ubuntu_linux:libavcodec-extra58, p-cpe:/a:canonical:ubuntu_linux:libavcodec-extra60, p-cpe:/a:canonical:ubuntu_linux:libavcodec-extra, p-cpe:/a:canonical:ubuntu_linux:libavcodec57, p-cpe:/a:canonical:ubuntu_linux:libavcodec58, p-cpe:/a:canonical:ubuntu_linux:libavcodec60, p-cpe:/a:canonical:ubuntu_linux:libavdevice57, p-cpe:/a:canonical:ubuntu_linux:libavdevice58, p-cpe:/a:canonical:ubuntu_linux:libavdevice60, p-cpe:/a:canonical:ubuntu_linux:libavfilter-extra6, p-cpe:/a:canonical:ubuntu_linux:libavfilter-extra7, p-cpe:/a:canonical:ubuntu_linux:libavfilter-extra9, p-cpe:/a:canonical:ubuntu_linux:libavfilter-extra, p-cpe:/a:canonical:ubuntu_linux:libavfilter6, p-cpe:/a:canonical:ubuntu_linux:libavfilter7, p-cpe:/a:canonical:ubuntu_linux:libavfilter9, p-cpe:/a:canonical:ubuntu_linux:libavformat-extra58, p-cpe:/a:canonical:ubuntu_linux:libavformat-extra60, p-cpe:/a:canonical:ubuntu_linux:libavformat-extra, p-cpe:/a:canonical:ubuntu_linux:libavformat57, p-cpe:/a:canonical:ubuntu_linux:libavformat58, p-cpe:/a:canonical:ubuntu_linux:libavformat60, p-cpe:/a:canonical:ubuntu_linux:libavresample3, p-cpe:/a:canonical:ubuntu_linux:libavresample4, p-cpe:/a:canonical:ubuntu_linux:libavutil55, p-cpe:/a:canonical:ubuntu_linux:libavutil56, p-cpe:/a:canonical:ubuntu_linux:libavutil58, p-cpe:/a:canonical:ubuntu_linux:libpostproc54, p-cpe:/a:canonical:ubuntu_linux:libpostproc55, p-cpe:/a:canonical:ubuntu_linux:libpostproc57, p-cpe:/a:canonical:ubuntu_linux:libswresample2, p-cpe:/a:canonical:ubuntu_linux:libswresample3, p-cpe:/a:canonical:ubuntu_linux:libswresample4, p-cpe:/a:canonical:ubuntu_linux:libswscale4, p-cpe:/a:canonical:ubuntu_linux:libswscale5, p-cpe:/a:canonical:ubuntu_linux:libswscale7

Required KB Items: Host/cpu, Host/Debian/dpkg-l, Host/Ubuntu, Host/Ubuntu/release

Exploit Ease: No known exploits are available

Patch Publication Date: 9/3/2026

Vulnerability Publication Date: 6/25/2026

Reference Information

CVE: CVE-2026-64830, CVE-2026-64832, CVE-2026-64833, CVE-2026-64834, CVE-2026-64835, CVE-2026-65703, CVE-2026-65704, CVE-2026-65705, CVE-2026-65706, CVE-2026-75141, CVE-2026-75142, CVE-2026-75143, CVE-2026-75144, CVE-2026-75146

IAVB: 2026-B-0169-S, 2026-B-0227

USN: 8716-1