Bug 1452553 (CVE-2017-9050) - CVE-2017-9050 libxml2: Heap-based buffer over-read in function xmlDictAddString
Summary: CVE-2017-9050 libxml2: Heap-based buffer over-read in function xmlDictAddString
Keywords:
Status: CLOSED WONTFIX
Alias: CVE-2017-9050
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: 1452550 1452551 1548943 1695415
Blocks: 1452558
TreeView+ depends on / blocked
 
Reported: 2017-05-19 07:58 UTC by Andrej Nemec
Modified: 2023-09-26 13:23 UTC (History)
21 users (show)

Fixed In Version: libxml2 2.9.4
Clone Of:
Environment:
Last Closed: 2018-02-26 05:10:34 UTC
Embargoed:

Attachments (Terms of Use)

Description Andrej Nemec 2017-05-19 07:58:30 UTC 
libxml2 is vulnerable to a heap-based buffer over-read in the xmlDictAddString function in dict.c. This vulnerability causes programs that use libxml2 to crash. This vulnerability exists because of an incomplete fix for CVE-2016-1839.

References:

http://seclists.org/oss-sec/2017/q2/258
Comment 1 Andrej Nemec 2017-05-19 08:04:50 UTC 
Created libxml2 tracking bugs for this issue:

Affects: fedora-all [bug 1452550]
Comment 2 Andrej Nemec 2017-05-19 08:05:00 UTC 
Created mingw-libxml2 tracking bugs for this issue:

Affects: fedora-all [bug 1452551]
Comment 7 Doran Moppert 2019-04-03 02:55:07 UTC 
Upstream patch:

https://gitlab.gnome.org/GNOME/libxml2/commit/45752d2c3
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