CVE-2021-3497: Use After Free
First published: Wed Mar 31 2021(Updated: )
GStreamer before 1.18.4 might access already-freed memory in error code paths when demuxing certain malformed Matroska files.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Gstreamer Project 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 | |
| debian/gst-plugins-good1.0 | 1.14.4-1+deb10u1 1.14.4-1+deb10u3 1.18.4-2+deb11u2 1.22.0-5+deb12u1 1.22.6-1 | |
| redhat/gstreamer-plugins-good | <1.18.4 | 1.18.4 |
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Reference Links
- https://security-tracker.debian.org/tracker/CVE-2021-3497
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3497
- https://gstreamer.freedesktop.org/security/sa-2021-0002.html
- https://gitlab.freedesktop.org/gstreamer/gst-plugins-good/-/commit/9181191511f9c0be6a89c98b311f49d66bd46dc3?merge_request_iid=903
- https://security-tracker.debian.org/tracker/CVE-2021-3498
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=986910
- https://bugzilla.redhat.com/show_bug.cgi?id=1945339
- https://lists.debian.org/debian-lts-announce/2021/04/msg00027.html
- https://security.gentoo.org/glsa/202208-31
- https://www.debian.org/security/2021/dsa-4900
- https://gitlab.freedesktop.org/gstreamer/gst-plugins-good/-/commit/9181191511f9c0be6a89c98b311f49d66bd46dc3
- https://gstreamer.freedesktop.org/releases/1.18/#1.18.4
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1945340
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1948948
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1948947
- https://access.redhat.com/errata/RHSA-2022:7618
- https://access.redhat.com/security/cve/cve-2021-3497
Frequently Asked Questions
What is CVE-2021-3497?
CVE-2021-3497 is a vulnerability in GStreamer before version 1.18.4 that could allow an attacker to access already-freed memory in error code paths when demuxing certain malformed Matroska files.
How does CVE-2021-3497 impact GStreamer?
CVE-2021-3497 affects GStreamer versions before 1.18.4, potentially leading to the exploitation of already-freed memory.
What is the severity of CVE-2021-3497?
CVE-2021-3497 has a severity score of 7.8 out of 10 (high).
Which software versions are affected by CVE-2021-3497?
GStreamer versions before 1.18.4, Debian Linux 9.0 and 10.0, Redhat Enterprise Linux 7.0 and 8.0, and gst-plugins-good1.0 in certain Debian packages are affected.
How can I fix CVE-2021-3497?
To fix CVE-2021-3497, update GStreamer to version 1.18.4 or later, or apply the provided patches in the affected Debian packages.
- collector/debian-bugs
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