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Bug 355399 (CVE-2011-0420) - =dev-lang/php-5.3.5: grapheme_extract() NULL Pointer Dereference (CVE-2011-0420)
Summary: =dev-lang/php-5.3.5: grapheme_extract() NULL Pointer Dereference (CVE-2011-0420)
Alias: CVE-2011-0420
Product: Gentoo Security
Classification: Unclassified
Component: Vulnerabilities (show other bugs)
Hardware: All Linux
: High major (vote)
Assignee: Gentoo Security
Whiteboard: B3 [glsa]
Depends on:
Reported: 2011-02-18 09:17 UTC by Paweł Hajdan, Jr. (RETIRED)
Modified: 2011-10-10 21:41 UTC (History)
1 user (show)

See Also:
Package list:
Runtime testing required: ---


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Description Paweł Hajdan, Jr. (RETIRED) gentoo-dev 2011-02-18 09:17:49 UTC
- --- 0.Description ---
Internationalization extension (further is referred as Intl) is a wrapper
for ICU library, enabling PHP programmers to perform UCA-conformant
collation and date/time/number/currency formatting in their scripts.

grapheme_extract — Function to extract a sequence of default grapheme
clusters from a text buffer, which must be encoded in UTF-8.

- --- 3. Fix ---
Comment 1 GLSAMaker/CVETool Bot gentoo-dev 2011-06-24 00:31:23 UTC
CVE-2011-0420 (
  The grapheme_extract function in the Internationalization extension (Intl)
  for ICU for PHP 5.3.5 allows context-dependent attackers to cause a denial
  of service (crash) via an invalid size argument, which triggers a NULL
  pointer dereference.
Comment 2 Tobias Heinlein (RETIRED) gentoo-dev 2011-10-10 21:41:33 UTC
This issue was resolved and addressed in
 GLSA 201110-06 at
by GLSA coordinator Tobias Heinlein (keytoaster).