CVE-2021-3498
HIGHCVSS 7.8/10EPSS 1.77%
Last modified
CVE-2021-3498 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. GStreamer before 1.18.4 might cause heap corruption when parsing certain malformed Matroska files.. EPSS estimates a 1.77% chance of exploitation in the next 30 days.
Description
GStreamer before 1.18.4 might cause heap corruption when parsing certain malformed Matroska files.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gstreamer | Gstreamer | >= 1.0.0, < 1.18.4 |
| Debian | Debian Linux | 10.0 |
| Redhat | Enterprise Linux | 7.0 |
| Redhat | Enterprise Linux | 8.0 |
References
- http://packetstormsecurity.com/files/162952/Gstreamer-Matroska-Demuxing-Use-After-Free.htmlThird Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1945342Issue Tracking, Patch, Third Party Advisory
- https://gstreamer.freedesktop.org/security/sa-2021-0003.htmlVendor Advisory
- https://security.gentoo.org/glsa/202208-31Third Party Advisory
- https://www.debian.org/security/2021/dsa-4900Mailing List, Third Party Advisory
- http://packetstormsecurity.com/files/162952/Gstreamer-Matroska-Demuxing-Use-After-Free.htmlThird Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=1945342Issue Tracking, Patch, Third Party Advisory
- https://gstreamer.freedesktop.org/security/sa-2021-0003.htmlVendor Advisory
- https://security.gentoo.org/glsa/202208-31Third Party Advisory
- https://www.debian.org/security/2021/dsa-4900Mailing List, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-3498?
GStreamer before 1.18.4 might cause heap corruption when parsing certain malformed Matroska files.
How severe is CVE-2021-3498?
CVE-2021-3498 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.77% probability of exploitation in the next 30 days.
How do I fix CVE-2021-3498?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-3498?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST