Bug 277231 - (CVE-2007-3478) CVE-2007-3478 libgd Certain TTF handling routines are not reentrant
CVE-2007-3478 libgd Certain TTF handling routines are not reentrant
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
All Linux
low Severity low
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Assigned To: Red Hat Product Security
: Security
Depends On: 277411 277421
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Reported: 2007-09-04 15:52 EDT by Lubomir Kundrak
Modified: 2008-02-13 10:55 EST (History)
1 user (show)

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Doc Type: Bug Fix
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Last Closed: 2008-02-13 10:55:02 EST
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Description Lubomir Kundrak 2007-09-04 15:52:49 EDT
Common Vulnerabilities and Exposures assigned an identifier CVE-2007-3478 to the following vulnerability:

Race condition in gdImageStringFTEx (gdft_draw_bitmap) in gdft.c in the GD Graphics Library (libgd) before 2.0.35 allows user-assisted remote attackers to cause a denial of service (crash) via unspecified vectors, possibly involving truetype font (TTF) support.


Comment 1 Lubomir Kundrak 2007-09-04 15:55:15 EDT
Triggering the crash is dependent on a time-dependent race condition.
Comment 3 Tomas Hoger 2008-02-08 12:20:09 EST
Only seems relevant for multi-threaded applications.

Upstream commits referring to mentioned gd bug:
Comment 4 Tomas Hoger 2008-02-13 10:55:02 EST
We currently do not plan to backport a fix for this issue to gd packages in
current versions of Red Hat Enterprise Linux 2.1, 3, 4, and 5 due to low
likelihood of application possibly affected by this problem being exposed in a
way that would allow trust boundary to be crossed.

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