CVE-2026-18295
GStreamer MRF File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
02 Description
GStreamer MRF File Parsing 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
- 0.21% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 11.3% 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:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-10-26.
- 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
- 2026-08-20 16:22Z2 MO AGO
- Last updated
- 2026-08-27 16:24Z2 MO AGO
- Reserved
- 2026-07-29
- 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
- 32c6b993e03b1f3ec84b4409ad56db53c8a0a2f4d87cba01fac100c7b9aa1882
05 Affected products
06 References
- www.zerodayinitiative.comZDI-26-463https://www.zerodayinitiative.com/advisories/ZDI-26-463/
- gstreamer.freedesktop.orgvendor-provided URLhttps://gstreamer.freedesktop.org/security/sa-2026-0050.html
07 Fixed in
AlmaLinux 8
- gstreamer1-plugins-good Fixed in 1.16.1-7.el8_10.7
- gstreamer1-plugins-good-gtk Fixed in 1.16.1-7.el8_10.7
Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
AlmaLinux 9
- gstreamer1-plugins-good Fixed in 1.22.12-7.el9_8.8
- gstreamer1-plugins-good-gtk Fixed in 1.22.12-7.el9_8.8
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-good Fixed in 1.26.7-2.el10_2.7
- gstreamer1-plugins-good-gtk Fixed in 1.26.7-2.el10_2.7
Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
CloudLinux 8
- gstreamer1-plugins-good Fixed in 1.16.1-7.el8_10.7
- gstreamer1-plugins-good-gtk Fixed in 1.16.1-7.el8_10.7
Derived from AlmaLinux 8. Partial coverage: only packages taken from AlmaLinux 8 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 9
- gstreamer1-plugins-good Fixed in 1.22.12-7.el9_8.8
- gstreamer1-plugins-good-gtk Fixed in 1.22.12-7.el9_8.8
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-good Fixed in 1.26.7-2.el10_2.7
- gstreamer1-plugins-good-gtk Fixed in 1.26.7-2.el10_2.7
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-good1.0 No fix yet
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- gst-plugins-good1.0 No fix yet
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- gst-plugins-good1.0 Fixed in 1.28.5-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 22.04 LTS
- gst-plugins-good1.0 Fixed in 1.20.3-0ubuntu1.9
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 24.04 LTS
- gst-plugins-good1.0 Fixed in 1.24.2-1ubuntu1.7
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 26.04 LTS
- gst-plugins-good1.0 Fixed in 1.28.2-2ubuntu0.3
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-good1.0 Fixed in 1.8.3-1ubuntu0.5+esm3Available 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-good1.0 Fixed in 1.14.5-0ubuntu1~18.04.3+esm3Available with Ubuntu Pro (Infra-only): 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-good1.0 Fixed in 1.16.3-0ubuntu1.3+esm3Available with Ubuntu Pro (Infra-only): 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.