Bug 1667239 - pango_fc_font_key_get_variations(key) causing crash when key is null
Summary: pango_fc_font_key_get_variations(key) causing crash when key is null
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: pango
Version: 7.6
Hardware: Unspecified
OS: Unspecified
high
urgent
Target Milestone: rc
: ---
Assignee: Peng Wu
QA Contact: Desktop QE
URL:
Whiteboard:
Depends On:
Blocks: 1640542 1685811 1690325
TreeView+ depends on / blocked
 
Reported: 2019-01-17 20:02 UTC by Andrew Mike
Modified: 2020-09-28 08:33 UTC (History)
8 users (show)

Fixed In Version: pango-1.42.4-3.el7
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
: 1685811 1690325 (view as bug list)
Environment:
Last Closed: 2019-08-06 12:38:30 UTC
Target Upstream Version:

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Links
System ID Private Priority Status Summary Last Updated
Debian BTS 898960 0 None None None 2019-01-17 20:04:11 UTC
Gentoo 671136 0 None None None 2019-01-17 20:03:51 UTC
Red Hat Bugzilla 1657542 0 unspecified CLOSED crash in pango_fc_font_key_get_variations for some (eclipse based?) apps 2021-02-22 00:41:40 UTC
Red Hat Knowledge Base (Solution) 4098661 0 Troubleshoot None Upgrading pango causes applications to fail 2019-05-01 14:40:57 UTC
Red Hat Product Errata RHBA-2019:2044 0 None None None 2019-08-06 12:38:55 UTC

Description Andrew Mike 2019-01-17 20:02:56 UTC 
Description of problem:
Behavior in pango_fc_font_key_get_variations(key) causes a crash in some applications when the key parameter is NULL due to lack of parameter validation.

Version-Release number of selected component (if applicable):
pango-1.42.4-1.el7

How reproducible:
Unable to reproduce Eclipse or pango-view, but customers have reported issues, and the issue is seen in other distros (see external bug list).

Additional info:
Patch is available upstream:

Fix crash in pango_fc_font_key_get_variations() when key is null (ad92e199) · Commits · GNOME / pango · GitLab
https://gitlab.gnome.org/GNOME/pango/commit/ad92e199f221499c19f22dce7a16e7d770ad3ae7
Comment 2 Peng Wu 2019-01-18 08:49:19 UTC 
I just updated pango in Fedora, will check this bug later.
Comment 20 errata-xmlrpc 2019-08-06 12:38:30 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2019:2044
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