| Name | 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-2266-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| php5 (PTS) | jessie, jessie (lts) | 5.6.40+dfsg-0+deb8u21 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| php5 | source | lenny | 5.2.6.dfsg.1-1+lenny12 | | DSA-2266-1 | |
| php5 | source | squeeze | 5.3.3-7+squeeze3 | | DSA-2266-1 | |
| php5 | source | (unstable) | 5.3.6-1 | unimportant | | |
Notes
[lenny] - php5 <not-affected> (intl extension added in 5.3)
Only triggerable through malicious script
http://svn.php.net/viewvc?view=revision&revision=306449