PT-2026-23766 · Gstreamer+1 · Gstreamer+1

Published 2026-01-01 · Updated 2026-05-19 · CVE-2026-2923

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions GStreamer (affected versions not specified)

Description This issue allows remote attackers to execute arbitrary code on affected installations of GStreamer. Interaction with the library is required for exploitation, with attack vectors varying based on implementation. The flaw resides in the handling of coordinates, resulting from insufficient validation of user-supplied data, leading to a write past the end of an allocated buffer. An attacker can leverage this to execute code within the current process context.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

ALSA-2026:19024

ALSA-2026:19180

ALSA-2026:6259

ALSA-2026:6300

ALSA-2026:6750

BDU:2026-06661

CVE-2026-2923

RHSA-2026:6259

RHSA-2026:6300

RHSA-2026:6750

RHSA-2026:8854

RHSA-2026:8862

ZDI-26-161

Affected Products

Gstreamer

Rocky Linux

References · 47

• https://osv.dev/vulnerability/ALSA-2026:19024 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-06661 · Security Note
• https://gitlab.freedesktop.org/gstreamer/gstreamer/-/commit/3b8253f447bcc9831dbf643d2c69b205fedbe086 · Vendor Advisory
• https://errata.almalinux.org/8/ALSA-2026-6750.html · Vendor Advisory
• https://osv.dev/vulnerability/ALSA-2026:6300 · Vendor Advisory
• https://zerodayinitiative.com/advisories/ZDI-26-161 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-2923 · Security Note
• https://cve.org/CVERecord?id=CVE-2026-2923 · Security Note
• https://errata.rockylinux.org/RLSA-2026:6300 · Vendor Advisory
• https://errata.almalinux.org/10/ALSA-2026-19024.html · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-2923 · Vendor Advisory
• https://osv.dev/vulnerability/ALSA-2026:6259 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-2923 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-2923 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-2923 · Vendor Advisory