VulnerabilityModified
CVE-2021-3497
GStreamer before 1.18.4 might access already-freed memory in error code paths when demuxing certain malformed Matroska files.
HIGH 7.8EPSS 1.22%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.22%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
GStreamer before 1.18.4 might access already-freed memory in error code paths when demuxing certain malformed Matroska files.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 1.22% probability · 67th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- gstreamer/gstreamer · debian/debian linux · redhat/enterprise linux
- Source
- secalert@redhat.com
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.