CVE-2026-2922
GStreamer RealMedia Demuxer Out-Of-Bounds Write Remote Code Execution Vulnerability
02 Description
GStreamer RealMedia Demuxer Out-Of-Bounds Write Remote Code Execution Vulnerability
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 0.43% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 37.8% of scored records. A rank, not a probability.
- NVD base score
- 7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-07-21.
- Red Hat severity
- Important. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-03-13 20:38Z7 MO AGO
- Last updated
- 2026-07-21 12:05Z3 MO AGO
- Reserved
- 2026-02-20
- Assigning CNA
- zdi
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.8)
- CNA CVSS vector
- CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-787Out-of-bounds WriteBase
- Data version
- 5.2
- Document digest
- 96854caf79aca6dac443061668a458817a5839f634b4e5b1f4579ecc271809f9
05 Affected products
06 References
- www.zerodayinitiative.comZDI-26-165https://www.zerodayinitiative.com/advisories/ZDI-26-165/
- gitlab.freedesktop.orgvendor-provided URLhttps://gitlab.freedesktop.org/gstreamer/gstreamer/-/commit/88df8d2cd063b95a076e8041b47f778a4402f363
- access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-2922
- bugzilla.redhat.comRHBZ#2447500https://bugzilla.redhat.com/show_bug.cgi?id=2447500
- security.access.redhat.comhttps://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-2922.json
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:8854
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:6259
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:19024
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:8862
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:6300
- access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:19180
07 Fixed in
AlmaLinux 9
- gstreamer1-plugins-bad-free Fixed
A version is affected if any line below covers it.
- Affected before 1.22.12-5.el9_7
- Affected before 1.22.12-7.el9_8
- gstreamer1-plugins-bad-free-devel Fixed
A version is affected if any line below covers it.
- Affected before 1.22.12-5.el9_7
- Affected before 1.22.12-7.el9_8
- gstreamer1-plugins-bad-free-libs Fixed
A version is affected if any line below covers it.
- Affected before 1.22.12-5.el9_7
- Affected before 1.22.12-7.el9_8
- gstreamer1-plugins-base Fixed
A version is affected if any line below covers it.
- Affected before 1.22.12-5.el9_7
- Affected before 1.22.12-8.el9_8
- gstreamer1-plugins-base-devel Fixed
A version is affected if any line below covers it.
- Affected before 1.22.12-5.el9_7
- Affected before 1.22.12-8.el9_8
- gstreamer1-plugins-base-tools Fixed
A version is affected if any line below covers it.
- Affected before 1.22.12-5.el9_7
- Affected before 1.22.12-8.el9_8
- gstreamer1-plugins-good Fixed
A version is affected if any line below covers it.
- Affected before 1.22.12-5.el9_7
- Affected before 1.22.12-7.el9_8
- gstreamer1-plugins-good-gtk Fixed
A version is affected if any line below covers it.
- Affected before 1.22.12-5.el9_7
- Affected before 1.22.12-7.el9_8
- gstreamer1-plugins-ugly-free Fixed
A version is affected if any line below covers it.
- Affected before 1.22.12-4.el9_7
- Affected before 1.22.12-6.el9_8
Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
AlmaLinux 10
- gstreamer1-plugins-bad-free Fixed
A version is affected if any line below covers it.
- Affected before 1.24.11-3.el10_1
- Affected before 1.26.7-2.el10_2
- gstreamer1-plugins-bad-free-devel Fixed
A version is affected if any line below covers it.
- Affected before 1.24.11-3.el10_1
- Affected before 1.26.7-2.el10_2
- gstreamer1-plugins-bad-free-libs Fixed
A version is affected if any line below covers it.
- Affected before 1.24.11-3.el10_1
- Affected before 1.26.7-2.el10_2
- gstreamer1-plugins-base Fixed
A version is affected if any line below covers it.
- Affected before 1.24.11-2.el10_1
- Affected before 1.26.7-2.el10_2
- gstreamer1-plugins-base-devel Fixed
A version is affected if any line below covers it.
- Affected before 1.24.11-2.el10_1
- Affected before 1.26.7-2.el10_2
- gstreamer1-plugins-base-tools Fixed
A version is affected if any line below covers it.
- Affected before 1.24.11-2.el10_1
- Affected before 1.26.7-2.el10_2
- gstreamer1-plugins-good Fixed
A version is affected if any line below covers it.
- Affected before 1.24.11-2.el10_1
- Affected before 1.26.7-2.el10_2
- gstreamer1-plugins-good-gtk Fixed
A version is affected if any line below covers it.
- Affected before 1.24.11-2.el10_1
- Affected before 1.26.7-2.el10_2
- gstreamer1-plugins-ugly-free Fixed
A version is affected if any line below covers it.
- Affected before 1.24.11-2.el10_1
- Affected before 1.26.7-2.el10_2
Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
CloudLinux 9
- gstreamer1-plugins-bad-free Fixed
A version is affected if any line below covers it.
- Affected before 1.22.12-5.el9_7
- Affected before 1.22.12-7.el9_8
- gstreamer1-plugins-bad-free-devel Fixed
A version is affected if any line below covers it.
- Affected before 1.22.12-5.el9_7
- Affected before 1.22.12-7.el9_8
- gstreamer1-plugins-bad-free-libs Fixed
A version is affected if any line below covers it.
- Affected before 1.22.12-5.el9_7
- Affected before 1.22.12-7.el9_8
- gstreamer1-plugins-base Fixed
A version is affected if any line below covers it.
- Affected before 1.22.12-5.el9_7
- Affected before 1.22.12-8.el9_8
- gstreamer1-plugins-base-devel Fixed
A version is affected if any line below covers it.
- Affected before 1.22.12-5.el9_7
- Affected before 1.22.12-8.el9_8
- gstreamer1-plugins-base-tools Fixed
A version is affected if any line below covers it.
- Affected before 1.22.12-5.el9_7
- Affected before 1.22.12-8.el9_8
- gstreamer1-plugins-good Fixed
A version is affected if any line below covers it.
- Affected before 1.22.12-5.el9_7
- Affected before 1.22.12-7.el9_8
- gstreamer1-plugins-good-gtk Fixed
A version is affected if any line below covers it.
- Affected before 1.22.12-5.el9_7
- Affected before 1.22.12-7.el9_8
- gstreamer1-plugins-ugly-free Fixed
A version is affected if any line below covers it.
- Affected before 1.22.12-4.el9_7
- Affected before 1.22.12-6.el9_8
Derived from AlmaLinux 9. Partial coverage: only packages taken from AlmaLinux 9 are listed.
Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
CloudLinux 10
- gstreamer1-plugins-bad-free Fixed
A version is affected if any line below covers it.
- Affected before 1.24.11-3.el10_1
- Affected before 1.26.7-2.el10_2
- gstreamer1-plugins-bad-free-devel Fixed
A version is affected if any line below covers it.
- Affected before 1.24.11-3.el10_1
- Affected before 1.26.7-2.el10_2
- gstreamer1-plugins-bad-free-libs Fixed
A version is affected if any line below covers it.
- Affected before 1.24.11-3.el10_1
- Affected before 1.26.7-2.el10_2
- gstreamer1-plugins-base Fixed
A version is affected if any line below covers it.
- Affected before 1.24.11-2.el10_1
- Affected before 1.26.7-2.el10_2
- gstreamer1-plugins-base-devel Fixed
A version is affected if any line below covers it.
- Affected before 1.24.11-2.el10_1
- Affected before 1.26.7-2.el10_2
- gstreamer1-plugins-base-tools Fixed
A version is affected if any line below covers it.
- Affected before 1.24.11-2.el10_1
- Affected before 1.26.7-2.el10_2
- gstreamer1-plugins-good Fixed
A version is affected if any line below covers it.
- Affected before 1.24.11-2.el10_1
- Affected before 1.26.7-2.el10_2
- gstreamer1-plugins-good-gtk Fixed
A version is affected if any line below covers it.
- Affected before 1.24.11-2.el10_1
- Affected before 1.26.7-2.el10_2
- gstreamer1-plugins-ugly-free Fixed
A version is affected if any line below covers it.
- Affected before 1.24.11-2.el10_1
- Affected before 1.26.7-2.el10_2
Derived from AlmaLinux 10. Partial coverage: only packages taken from AlmaLinux 10 are listed.
Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
Debian 12
- gst-plugins-ugly1.0 Fixed in 1.22.0-2+deb12u2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- gst-plugins-ugly1.0 Fixed in 1.26.3-4+deb13u1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- gst-plugins-ugly1.0 Fixed in 1.28.1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 25.10
- gst-plugins-ugly1.0 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 16.04 LTS
- gst-plugins-ugly1.0 Fixed in 1.8.3-1ubuntu0.1+esm2Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 18.04 LTS
- gst-plugins-ugly1.0 Fixed in 1.14.5-0ubuntu1~18.04.1+esm1Available with Ubuntu Pro: https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 20.04 LTS
- gst-plugins-ugly1.0 Fixed in 1.16.2-2ubuntu0.1~esm1Available with Ubuntu Pro: https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 22.04 LTS
- gst-plugins-ugly1.0 Fixed in 1.20.1-1ubuntu0.1~esm1Available with Ubuntu Pro: https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 24.04 LTS
- gst-plugins-ugly1.0 Fixed in 1.24.1-1ubuntu0.1~esm1Available with Ubuntu Pro: https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.