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    CVE-2011-0421

    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.

    Published:Jan 30, 2011
    Last Modified:Apr 11, 2025
    EPS:Mar 20, 2011
    EPSS Score:0.09141
    CVSS Score:4.3

    Affected Products

    Vendor
    Php
    Product
    Php

    Exploits

    http://bugs.php.net/bug.php?id=53885http://www.exploit-db.com/exploits/17004https://bugzilla.redhat.com/show_bug.cgi?id=688735http://bugs.php.net/bug.php?id=53885http://www.exploit-db.com/exploits/17004https://bugzilla.redhat.com/show_bug.cgi?id=688735https://www.exploit-db.com/exploits/17004

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-14355 (CVSS 5.6) — In PHP versions 8.2.* before 8.2.32, 8.3.* before 8.3.32, 8.4.* before 8.4.23, 8.5.* before 8.5.8, the AES-WRA…
    CVE-2026-7263 (CVSS 6.3) — In PHP versions 8.4.* before 8.4.21 and 8.5.* before 8.5.6, DOMNode::C14N() method may process the XML data in…
    CVE-2026-6104 (CVSS 6.3) — In PHP versions 8.4.* before 8.4.21 and 8.5.* before 8.5.6, when an encoding name containing an embedded NUL b…
    CVE-2026-7258 (CVSS 6.3) — In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, some fu…
    CVE-2026-6722 (CVSS 9.5) — In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, the SOA…
    CVE-2026-7259 (CVSS 2.1) — In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, a misma…
    CVE-2026-7261 (CVSS 6.3) — In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, when So…
    CVE-2026-7262 (CVSS 2.9) — In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, when a …
    CVE-2025-14179 (CVSS 7.4) — In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, the PDO…
    CVE-2026-7568 (CVSS 6.3) — In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, the met…

    References

    http://bugs.php.net/bug.php?id=53885
    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
    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
    http://www.debian.org/security/2011/dsa-2266
    http://www.exploit-db.com/exploits/17004
    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
    http://www.vupen.com/english/advisories/2011/0764
    http://www.vupen.com/english/advisories/2011/0890
    https://bugzilla.redhat.com/show_bug.cgi?id=688735
    https://exchange.xforce.ibmcloud.com/vulnerabilities/66173
    http://bugs.php.net/bug.php?id=53885
    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
    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
    http://www.debian.org/security/2011/dsa-2266
    http://www.exploit-db.com/exploits/17004
    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
    http://www.vupen.com/english/advisories/2011/0764
    http://www.vupen.com/english/advisories/2011/0890
    https://bugzilla.redhat.com/show_bug.cgi?id=688735
    https://exchange.xforce.ibmcloud.com/vulnerabilities/66173

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High