Bug 1276688 - libxml2: out-of-bounds memory access vulnerability
libxml2: out-of-bounds memory access vulnerability
Status: CLOSED DUPLICATE of bug 1262849
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
impact=moderate,public=20150311,repor...
: Security
Depends On: 1262851 1276689
Blocks: 1276694
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Reported: 2015-10-30 09:52 EDT by Martin Prpič
Modified: 2015-11-03 05:48 EST (History)
5 users (show)

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Doc Type: Bug Fix
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Last Closed: 2015-11-03 05:30:21 EST
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Description Martin Prpič 2015-10-30 09:52:16 EDT
An out-of-bounds memory access flaw was found in the way libxml2 parsed documents with an unclosed comment. An attacker could provide specially crafted input that, when parsed by an application using libxml2, could cause that application to disclose arbitrary parts of that application's memory, potentially revealing sensitive information.

Upstream bug:

https://bugzilla.gnome.org/show_bug.cgi?id=746048

References:

https://hackerone.com/reports/57125
https://github.com/Shopify/nokogiri/compare/1b1fcad8bd64ab70256666c38d2c998e86ade8c0...master
Comment 1 Martin Prpič 2015-10-30 09:52:36 EDT
Created libxml2 tracking bugs for this issue:

Affects: fedora-all [bug 1276689]
Comment 2 Agostino Sarubbo 2015-11-03 05:26:48 EST
looks to be a duplicate of 1262849 which contains the same commit link.
Comment 3 Martin Prpič 2015-11-03 05:30:21 EST
(In reply to Agostino Sarubbo from comment #2)
> looks to be a duplicate of 1262849 which contains the same commit link.

Ha, you're right. Thanks for catching this!

*** This bug has been marked as a duplicate of bug 1262849 ***

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