CVE-2019-2126: Double Free
First published: Mon Aug 05 2019(Updated: )
In ParseContentEncodingEntry of mkvparser.cc, there is a possible double free due to a missing reset of a freed pointer. This could lead to remote code execution with no additional execution privileges needed. User interaction is needed for exploitation. Product: Android. Versions: Android-7.0 Android-7.1.1 Android-7.1.2 Android-8.0 Android-8.1 Android-9. Android ID: A-127702368.
Credit: security@android.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Android | ||
| Android | =7.0 | |
| Android | =7.1.1 | |
| Android | =7.1.2 | |
| Android | =8.0 | |
| Android | =8.1 | |
| Android | =9.0 | |
| Red Hat Fedora | =30 | |
| Red Hat Fedora | =31 | |
| Ubuntu | =16.04 | |
| Ubuntu | =18.04 | |
| Ubuntu | =19.04 | |
| SUSE Linux | =15.1 |
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Reference Links
- https://source.android.com/security/bulletin/2019-08-01
- https://usn.ubuntu.com/4199-1/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U2IIA3RSYABBUCFIHXIRVUT5CTJVWWZ6/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DQSTK442ATWJOR4TU3MR6C3N5A6NDFFN/
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00049.html
- https://launchpad.net/bugs/cve/CVE-2019-2126
- https://security-tracker.debian.org/tracker/CVE-2019-2126
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DQSTK442ATWJOR4TU3MR6C3N5A6NDFFN/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/U2IIA3RSYABBUCFIHXIRVUT5CTJVWWZ6/
- https://android.googlesource.com/platform/external/libvpx/+/1bb41f3767c785eecefb3376dab6267f69f3a8fb
- https://android.googlesource.com/platform/external/libvpx/+/6b25a58314a4a770c3ade5eab6bd396ded31059c
- https://source.android.com/docs/security/bulletin/2019-08-01 (Advisory)
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-2126
- https://nvd.nist.gov/vuln/detail/CVE-2019-2126
- https://ubuntu.com/security/CVE-2019-2126
Frequently Asked Questions
What is the vulnerability associated with CVE-2019-2126?
CVE-2019-2126 is a potential double free vulnerability in ParseContentEncodingEntry in mkvparser.cc, which could lead to remote code execution.
What software versions are affected by CVE-2019-2126?
CVE-2019-2126 affects several versions of Android (7.0, 7.1.1, 7.1.2, 8.0, 8.1, 9.0), Fedora 30 and 31, and Ubuntu 16.04, 18.04, and 19.04.
What are the potential impacts of CVE-2019-2126?
The impact of CVE-2019-2126 includes the possibility of remote code execution without requiring additional execution privileges.
How can I mitigate the risks associated with CVE-2019-2126?
To mitigate the risks of CVE-2019-2126, it is recommended to update to the latest patched versions of the affected software.
Is user interaction required to exploit CVE-2019-2126?
Yes, user interaction is needed to exploit CVE-2019-2126.
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