GStreamer before 1.18.4 might cause heap corruption when parsing certain malformed Matroska files.
Priority LOW 38CWE-119Published · 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
- Will not fix Red Hat: no fix planned
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.
Summary
GStreamer before 1.18.4 might cause heap corruption when parsing certain malformed Matroska files.
Why it matters now
EPSS 0.01762 78th percentileScored 2026-11-07
Fix Will not fix Red Hat: no fix planned
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 · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:gstreamer:gstreamer:*:*:*:*:*:*:*:* | 1.0.0 to before 1.18.4 | Vulnerable | GStreamer |
| 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 1.0.0 to before 1.18.4 Vulnerable ·GStreamer
- 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
No fixed version listed by the sources yet.
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-2021-02456 Use after free in gstreamer-plugins-goodPriority LOW 36
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 8 | Affected | No fix planned: Will not fix |
Not affected: 1 product
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2021-3498
- 2026-10-03 Alias added: GHSA-hf4m-4x6v-4wvr
References
Sources
- CVE-2021-3498 · CVE Program
- CVE-2021-3498 · NVD
- FIRST EPSS
- GHSA-hf4m-4x6v-4wvr · GitHub Advisory Database · CC BY 4.0
- CVE-2021-3498 · Red Hat security data · CC BY 4.0
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