CVE-2021-3497
HIGHCVSS 7.8/10EPSS 1.22%
Last modified
CVE-2021-3497 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. GStreamer before 1.18.4 might access already-freed memory in error code paths when demuxing certain malformed Matroska files.. EPSS estimates a 1.22% chance of exploitation in the next 30 days.
Description
GStreamer before 1.18.4 might access already-freed memory in error code paths when demuxing 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 | >= 0.10.0, < 1.18.4 |
| Debian | Debian Linux | 9.0 |
| Debian | Debian Linux | 10.0 |
| Redhat | Enterprise Linux | 7.0 |
| Redhat | Enterprise Linux | 8.0 |
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1945339Issue Tracking, Patch, Third Party Advisory
- https://gstreamer.freedesktop.org/security/sa-2021-0002.htmlVendor Advisory
- https://lists.debian.org/debian-lts-announce/2021/04/msg00027.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202208-31Third Party Advisory
- https://www.debian.org/security/2021/dsa-4900Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1945339Issue Tracking, Patch, Third Party Advisory
- https://gstreamer.freedesktop.org/security/sa-2021-0002.htmlVendor Advisory
- https://lists.debian.org/debian-lts-announce/2021/04/msg00027.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202208-31Third Party Advisory
- https://www.debian.org/security/2021/dsa-4900Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-3497?
GStreamer before 1.18.4 might access already-freed memory in error code paths when demuxing certain malformed Matroska files.
How severe is CVE-2021-3497?
CVE-2021-3497 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.22% probability of exploitation in the next 30 days.
How do I fix CVE-2021-3497?
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.
Are you affected by CVE-2021-3497?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST