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AlmaLinux 10 : gstreamer1-plugins-bad-free (ALSA-2026:36749)

high Nessus Plugin ID 326063

Synopsis

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

Description

The remote AlmaLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:36749 advisory.

 * gstreamer1-plugins-bad-free: GStreamer: Denial of service via AV1 tile_list_obu parser byte/bit confusion (CVE-2026-52718)
 * gstreamer1-plugins-bad-free: GStreamer: Out-of-bounds read via JPEG segment length validation in VA decoder (CVE-2026-52719)
 * gstreamer1-plugins-bad-free: GStreamer: Heap buffer overflow via crafted VNC server rectangle in librfb (CVE-2026-52720)
 * gstreamer1-plugins-bad-free: GStreamer: Signed integer overflow in VMnc decoder cursor payload handling (CVE-2026-52722)

Tenable has extracted the preceding description block directly from the AlmaLinux 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 gstreamer1-plugins-bad-free, gstreamer1-plugins-bad-free-devel and / or gstreamer1-plugins-bad-free- libs packages.

See Also

https://access.redhat.com/errata/RHSA-2026:36749

https://errata.almalinux.org/10/ALSA-2026-36749.html

Plugin Details

Severity: High

ID: 326063

File Name: alma_linux_ALSA-2026-36749.nasl

Version: 1.1

Type: Local

Published: 7/9/2026

Updated: 7/9/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5

Percentile: 94.18

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-2026-52720

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:alma:linux:10::appstream, cpe:/o:alma:linux:10::sap_hana, cpe:/o:alma:linux:10, p-cpe:/a:alma:linux:gstreamer1-plugins-bad-free-libs, cpe:/o:alma:linux:10::nfv, cpe:/o:alma:linux:10::baseos, cpe:/o:alma:linux:10::supplementary, p-cpe:/a:alma:linux:gstreamer1-plugins-bad-free-devel, cpe:/o:alma:linux:10::sap, cpe:/o:alma:linux:10::resilientstorage, p-cpe:/a:alma:linux:gstreamer1-plugins-bad-free, cpe:/o:alma:linux:10::powertools, cpe:/o:alma:linux:10::highavailability, cpe:/o:alma:linux:10::realtime

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

Exploit Ease: No known exploits are available

Patch Publication Date: 7/8/2026

Vulnerability Publication Date: 6/15/2026

Reference Information

CVE: CVE-2026-52718, CVE-2026-52719, CVE-2026-52720, CVE-2026-52722

CWE: 122, 125, 190, 617

RHSA: 2026:36749