Bug 1789008 (CVE-2019-2126) - CVE-2019-2126 libvpx: Double free in ParseContentEncodingEntry() in mkvparser.cc
Summary: CVE-2019-2126 libvpx: Double free in ParseContentEncodingEntry() in mkvparser.cc
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2019-2126
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1796452 1796454
Blocks: 1789038
TreeView+ depends on / blocked
 
Reported: 2020-01-08 15:08 UTC by Pedro Sampaio
Modified: 2020-11-04 02:30 UTC (History)
1 user (show)

Fixed In Version: libvpx 1.8.0
Doc Type: If docs needed, set a value
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Clone Of:
Environment:
Last Closed: 2020-11-04 02:24:00 UTC
Embargoed:

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System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2020:4629 0 None None None 2020-11-04 02:30:44 UTC

Description Pedro Sampaio 2020-01-08 15:08:00 UTC 
In ParseContentEncodingEntry of mkvparser.cc, there is a possible double free due to a missing reset of a freed pointer.

Upstream patch:

https://github.com/webmproject/libvpx/commit/6a7c84a2449dcc70de2525df209afea908622399

References:

http://www.openwall.com/lists/oss-security/2019/10/25/17 	
http://www.openwall.com/lists/oss-security/2019/10/27/1 	
http://www.openwall.com/lists/oss-security/2019/11/07/1
Comment 3 Product Security DevOps Team 2020-11-04 02:24:00 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2019-2126
Comment 4 errata-xmlrpc 2020-11-04 02:30:43 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2020:4629 https://access.redhat.com/errata/RHSA-2020:4629
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