Use after free in gstreamer-plugins-good
Priority LOW 36CWE-416Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Partial Red Hat: 1 fixed, 2 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-416 and the CVSS impact.
Summary
GStreamer before 1.18.4 might access already-freed memory in error code paths when demuxing certain malformed Matroska files.
Why it matters now
EPSS 0.01219 68th percentileScored 2026-11-07
Fix Partial Red Hat: 1 advisoryRed Hat: 1 fixed, 2 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | gstreamer-plugins-good | gstreamer-plugins-good 1.18.4 | — | No fix listed | CNA |
- gstreamer-plugins-good Vendor— Affected gstreamer-plugins-good 1.18.4 Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:gstreamer:gstreamer:*:*:*:*:*:*:*:* | 0.10.0 to before 1.18.4 | Vulnerable | GStreamer |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* | 10.0 | Vulnerable | Debian |
| cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Red Hat |
- cpe:2.3:a:gstreamer:gstreamer:*:*:*:*:*:*:*:* Versions 0.10.0 to before 1.18.4 Vulnerable ·GStreamer
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Debian
- cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Red Hat
Remediation
Red Hat 1 advisory
- RHSA-2022:7618 Released 2022-11-08 · Red Hat rating Moderategstreamer1-plugins-good security update
- Red Hat Enterprise Linux AppStream (v. 8) gstreamer1-plugins-good-1.16.1-3.el8, gstreamer1-plugins-good-gtk-1.16.1-3.el8
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
gstreamer-plugins-good — DSA-4900
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2021-02457 GStreamer before 1.18.4 might cause heap corruption when parsing certain malformed Matroska files.Priority LOW 38
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2022:7618 |
Not affected: 1 product
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2021-3497
- 2026-10-03 Alias added: GHSA-9gpj-v2gq-r9fx
References
Sources
- CVE-2021-3497 · CVE Program
- CVE-2021-3497 · NVD
- FIRST EPSS
- GHSA-9gpj-v2gq-r9fx · GitHub Advisory Database · CC BY 4.0
- CVE-2021-3497 · Red Hat security data · CC BY 4.0
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