CVE-2011-0421
MEDIUM · CVSS 4.3EPSS 13.5%EU EUVD
The _zip_name_locate function in zip_name_locate.c in the Zip extension in PHP before 5.3.6 does not properly handle a ZIPARCHIVE::FL_UNCHANGED argument, which might allow context-dependent attackers to cause a denial of service (NULL pointer dereference) via an empty ZIP archive that is processed with a (1) locateName or (2) statName operation.
Key facts
- CVSS score
- 4.3 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:M/Au:N/C:N/I:N/A:P- EPSS score
- 13.5% (96th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2011-0447)
- Published
- March 20, 2011
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2011-0447 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- php / php
- php / php
- php / php
- php / php
- php / php
- php / php
- php / php
- php / php
- php / php
- php / php
- php / php
- php / php
- php / php
- php / php
- php / php
- php / php
- php / php
- php / php
- php / php
- php / php
- php / php
- php / php
- php / php
- php / php
- php / php
- php / php
- php / php
- php / php
- php / php
- php / php
- php / php
- php / php
- php / php
- php / php
- php / php
- php / php
- php / php
- php / php
- php / php
- php / php
- php / php
- php / php
- php / php
- php / php
- php / php
- php / php
- php / php
- php / php
- php / php
- php / php
and 60 more…
References
- http://bugs.php.net/bug.php?id=53885(Exploit)
- http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-April/057709.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-April/057710.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056642.html
- http://lists.opensuse.org/opensuse-security-announce/2011-05/msg00005.html
- http://marc.info/?l=bugtraq&m=133469208622507&w=2
- http://secunia.com/advisories/43621(Vendor Advisory)
- http://securityreason.com/achievement_securityalert/96
- http://securityreason.com/securityalert/8146
- http://support.apple.com/kb/HT5002
- http://svn.php.net/viewvc/?view=revision&revision=307867(Patch)
- http://www.debian.org/security/2011/dsa-2266
- http://www.exploit-db.com/exploits/17004(Exploit)
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:052
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:053
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:099
- http://www.php.net/ChangeLog-5.php
- http://www.php.net/archive/2011.php
- http://www.php.net/releases/5_3_6.php
- http://www.securityfocus.com/archive/1/517065/100/0/threaded
- http://www.securityfocus.com/bid/46354
- http://www.vupen.com/english/advisories/2011/0744(Vendor Advisory)
- http://www.vupen.com/english/advisories/2011/0764(Vendor Advisory)
- http://www.vupen.com/english/advisories/2011/0890(Vendor Advisory)
- https://bugzilla.redhat.com/show_bug.cgi?id=688735(Exploit, Patch)
- https://exchange.xforce.ibmcloud.com/vulnerabilities/66173
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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