Bug 1926990 (CVE-2021-3405) - CVE-2021-3405 libebml: Heap overflow in EbmlString::ReadData and EbmlUnicodeString::ReadData
Summary: CVE-2021-3405 libebml: Heap overflow in EbmlString::ReadData and EbmlUnicodeS...
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2021-3405
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1926991 1926992
Blocks: 1926993
TreeView+ depends on / blocked
 
Reported: 2021-02-09 19:27 UTC by Pedro Sampaio
Modified: 2021-03-26 13:50 UTC (History)
6 users (show)

Fixed In Version: libebml 1.4.2
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Clone Of:
Environment:
Last Closed: 2021-02-09 22:09:59 UTC
Embargoed:

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Description Pedro Sampaio 2021-02-09 19:27:09 UTC 
A flaw was found in libebml. A heap overflow bug exists in the implementation of EbmlString::ReadData and EbmlUnicodeString::ReadData in libebml.

Upstream issue:

https://github.com/Matroska-Org/libebml/issues/74
Comment 1 Pedro Sampaio 2021-02-09 19:27:54 UTC 
Created libebml tracking bugs for this issue:

Affects: epel-all [bug 1926992]
Affects: fedora-all [bug 1926991]
Comment 2 Product Security DevOps Team 2021-02-09 22:09:59 UTC 
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.
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