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Vulnerability · Published Aug 10, 2026 · Assigned by redhat

CVE-2026-19389Gstreamer: gstreamer1-plugins-ugly-free: gstreamer: integer overflow/underflow in asfdemux bounds checks leading to out-of-bounds read

High 7.1

In plain English

A high-severity integer overflow in Red Hat Enterprise Linux 10 from Red Hat. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 39% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.1High
Exploit odds (30 days)0.4%top 61.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Multiple integer overflow and underflow vulnerabilities were found in the GStreamer gst-plugins-ugly ASF demuxer (asfdemux) when parsing header objects from crafted ASF, WMV, or WMA files. Insufficient validation of attacker-controlled length and size values can bypass bounds checks and cause out-of-bounds heap reads. This can result in application crash, denial of service, or limited information disclosure when untrusted media is processed.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:9gstreamer1-plugins-bad-free1.22.12-7.el9_8.4ALSA-2026:55865
AlmaLinux:9gstreamer1-plugins-bad-free-devel1.22.12-7.el9_8.4ALSA-2026:55865
AlmaLinux:9gstreamer1-plugins-bad-free-libs1.22.12-7.el9_8.4ALSA-2026:55865
AlmaLinux:10gstreamer1-plugins-ugly-free1.26.7-2.el10_2.2ALSA-2026:55435
AlmaLinux:9gstreamer1-plugins-ugly-free1.22.12-6.el9_8.2ALSA-2026:55865
Debian:12gst-plugins-ugly1.0no fix listedDEBIAN-CVE-2026-19389
Debian:13gst-plugins-ugly1.0no fix listedDEBIAN-CVE-2026-19389
Debian:14gst-plugins-ugly1.01.28.6-1DEBIAN-CVE-2026-19389
Rocky Linux:9gstreamer1-plugins-bad-free0:1.22.12-7.el9_8.4RLSA-2026:55865
Rocky Linux:10gstreamer1-plugins-ugly-free0:1.26.7-2.el10_2.2RLSA-2026:55435
Rocky Linux:9gstreamer1-plugins-ugly-free0:1.22.12-6.el9_8.2RLSA-2026:55865

Affected products (as reported)

VendorProductVersions
Red Hat Red Hat Enterprise Linux 10 see references
Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support see references
Red Hat Red Hat Enterprise Linux 9 see references
Red Hat Red Hat Enterprise Linux 9 see references
Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions see references
Red Hat Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions see references
Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support see references
Red Hat Red Hat Enterprise Linux 7 see references
Red Hat Red Hat Enterprise Linux 8 see references

Weakness: CWE-190 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H

References