01 Record
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,
UnratedPUBLISHEDCNA: certcc
CNA base scoreUnratedNo CNA CVSS vector
02 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,
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 14.40% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 96.3% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2011-02-18 23:00Z15 YR AGO
- Last updated
- 2024-08-06 21:51Z2 YR AGO
- Reserved
- 2011-01-11
- Assigning CNA
- certcc
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- No CWE assigned
- Data version
- 5.1
- Document digest
- 56e7a534f1a740fa7039a0ab74dfc3571686f0ce9fe871063acd9473427c946d
05 Affected products
06 References
- www.securityfocus.com20110216 PHP 5.3.5 grapheme_extract() NULL Pointer Dereferencehttp://www.securityfocus.com/archive/1/516504/100/0/threaded
- www.debian.orgDSA-2266http://www.debian.org/security/2011/dsa-2266
- www.kb.cert.orgVU#210829http://www.kb.cert.org/vuls/id/210829
- www.securityfocus.com46429http://www.securityfocus.com/bid/46429
- securityreason.com8087http://securityreason.com/securityalert/8087
- www.exploit-db.com16182http://www.exploit-db.com/exploits/16182
- lists.apple.comAPPLE-SA-2011-10-12-3http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
- exchange.xforce.ibmcloud.comphp-graphemeextract-dos(65437)https://exchange.xforce.ibmcloud.com/vulnerabilities/65437
- www.securityfocus.com20110217 Re: PHP 5.3.5 grapheme_extract() NULL Pointer Dereferencehttp://www.securityfocus.com/archive/1/516518/100/0/threaded
- securityreason.com20110217 PHP 5.3.5 grapheme_extract() NULL Pointer Dereferencehttp://securityreason.com/achievement_securityalert/94
- support.apple.comhttp://support.apple.com/kb/HT5002
- svn.php.nethttp://svn.php.net/viewvc/php/php-src/trunk/ext/intl/grapheme/grapheme_string.c?r1=306449&r2=306448&pathrev=306449