Unrated severityNVD Advisory· Published Feb 19, 2011· Updated Jun 16, 2026
CVE-2011-0420
CVE-2011-0420
Description
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
5- osv-coords3 versionspkg:rpm/opensuse/php5&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/php7&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/php8&distro=openSUSE%20Tumbleweed
< 5.6.28-1.1+ 2 more
- (no CPE)range: < 5.6.28-1.1
- (no CPE)range: < 7.0.14-1.4
- (no CPE)range: < 8.0.11-1.1
Patches
Vulnerability mechanics
References
12- svn.php.net/viewvc/php/php-src/trunk/ext/intl/grapheme/grapheme_string.cnvdPatch
- securityreason.com/achievement_securityalert/94nvdExploit
- www.securityfocus.com/bid/46429nvdExploit
- www.kb.cert.org/vuls/id/210829nvdUS Government Resource
- lists.apple.com/archives/Security-announce/2011//Oct/msg00003.htmlnvd
- securityreason.com/securityalert/8087nvd
- support.apple.com/kb/HT5002nvd
- www.debian.org/security/2011/dsa-2266nvd
- www.exploit-db.com/exploits/16182nvd
- www.securityfocus.com/archive/1/516504/100/0/threadednvd
- www.securityfocus.com/archive/1/516518/100/0/threadednvd
- exchange.xforce.ibmcloud.com/vulnerabilities/65437nvd
News mentions
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