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CVE-2011-1468

Multiple memory leaks in the OpenSSL extension in PHP before 5.3.6 might allow remote attackers...

4.3 MediumPublic exploit

Multiple memory leaks in the OpenSSL extension in PHP before 5.3.6 might allow remote attackers to cause a denial of service (memory consumption) via (1) plaintext data to the openssl_encrypt function or (2) ciphertext data to the openssl_decrypt function.

Exploit likelihood

13.3%Up 2.3 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 4.3

Multiple memory leaks in the OpenSSL extension in PHP before 5.3.6 might allow remote attackers to cause a denial of service (memory consumption) via (1) plaintext data to the openssl_encrypt function or (2) ciphertext data to the openssl_decrypt function.

Record
CVE-2011-1468
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:N/A:P
Weakness
CWE-399
Updated
2026-11-02
CVE List No score

Multiple memory leaks in the OpenSSL extension in PHP before 5.3.6 might allow remote attackers to cause a denial of service (memory consumption) via (1) plaintext data to the openssl_encrypt function or (2) ciphertext data to the openssl_decrypt function.

Record
CVE-2011-1468
Updated
2026-11-02
EUVDEUVD-2011-1473 No score

Multiple memory leaks in the OpenSSL extension in PHP before 5.3.6 might allow remote attackers to cause a denial of service (memory consumption) via (1) plaintext data to the openssl_encrypt function or (2) ciphertext data to the openssl_decrypt function.

Record
EUVD-2011-1473
Updated
2026-11-03
GitHub AdvisoriesGHSA-gvjh-w2gj-wqhg No score

Multiple memory leaks in the OpenSSL extension in PHP before 5.3.6 might allow remote attackers...

Multiple memory leaks in the OpenSSL extension in PHP before 5.3.6 might allow remote attackers to cause a denial of service (memory consumption) via (1) plaintext data to the openssl_encrypt function or (2) ciphertext data to the openssl_decrypt function.

Record
GHSA-gvjh-w2gj-wqhg
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
php5
Debian:6.0
From an advisory covering 16 CVEs
 before 5.3.3-7+squeeze8, plus listed versions
5.3.3-75.3.3-7+squeeze15.3.3-7+squeeze25.3.3-7+squeeze35.3.3-7+squeeze55.3.3-7+squeeze65.3.3-7+squeeze7
5.3.3-7+squeeze8
php53
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 9 CVEs
 before 0:5.3.3-1.el5_7.3
0:5.3.3-1.el5_7.3
php53-bcmath
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 9 CVEs
 before 0:5.3.3-1.el5_7.3
0:5.3.3-1.el5_7.3
php53-cli
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 9 CVEs
 before 0:5.3.3-1.el5_7.3
0:5.3.3-1.el5_7.3
php53-common
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 9 CVEs
 before 0:5.3.3-1.el5_7.3
0:5.3.3-1.el5_7.3
php53-dba
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 9 CVEs
 before 0:5.3.3-1.el5_7.3
0:5.3.3-1.el5_7.3
php53-debuginfo
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 9 CVEs
 before 0:5.3.3-1.el5_7.3
0:5.3.3-1.el5_7.3
php53-devel
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 9 CVEs
 before 0:5.3.3-1.el5_7.3
0:5.3.3-1.el5_7.3
php53-gd
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 9 CVEs
 before 0:5.3.3-1.el5_7.3
0:5.3.3-1.el5_7.3
php53-imap
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 9 CVEs
 before 0:5.3.3-1.el5_7.3
0:5.3.3-1.el5_7.3
Show 62 moreShow less
Affected packages
PackageAffectedFixed
php53-intl
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 9 CVEs
 before 0:5.3.3-1.el5_7.3
0:5.3.3-1.el5_7.3
php53-ldap
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 9 CVEs
 before 0:5.3.3-1.el5_7.3
0:5.3.3-1.el5_7.3
php53-mbstring
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 9 CVEs
 before 0:5.3.3-1.el5_7.3
0:5.3.3-1.el5_7.3
php53-mysql
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 9 CVEs
 before 0:5.3.3-1.el5_7.3
0:5.3.3-1.el5_7.3
php53-odbc
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 9 CVEs
 before 0:5.3.3-1.el5_7.3
0:5.3.3-1.el5_7.3
php53-pdo
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 9 CVEs
 before 0:5.3.3-1.el5_7.3
0:5.3.3-1.el5_7.3
php53-pgsql
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 9 CVEs
 before 0:5.3.3-1.el5_7.3
0:5.3.3-1.el5_7.3
php53-process
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 9 CVEs
 before 0:5.3.3-1.el5_7.3
0:5.3.3-1.el5_7.3
php53-pspell
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 9 CVEs
 before 0:5.3.3-1.el5_7.3
0:5.3.3-1.el5_7.3
php53-snmp
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 9 CVEs
 before 0:5.3.3-1.el5_7.3
0:5.3.3-1.el5_7.3
php53-soap
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 9 CVEs
 before 0:5.3.3-1.el5_7.3
0:5.3.3-1.el5_7.3
php53-xml
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 9 CVEs
 before 0:5.3.3-1.el5_7.3
0:5.3.3-1.el5_7.3
php53-xmlrpc
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 9 CVEs
 before 0:5.3.3-1.el5_7.3
0:5.3.3-1.el5_7.3
php53
Red Hat:enterprise_linux:5::server
From an advisory covering 9 CVEs
 before 0:5.3.3-1.el5_7.3
0:5.3.3-1.el5_7.3
php53-bcmath
Red Hat:enterprise_linux:5::server
From an advisory covering 9 CVEs
 before 0:5.3.3-1.el5_7.3
0:5.3.3-1.el5_7.3
php53-cli
Red Hat:enterprise_linux:5::server
From an advisory covering 9 CVEs
 before 0:5.3.3-1.el5_7.3
0:5.3.3-1.el5_7.3
php53-common
Red Hat:enterprise_linux:5::server
From an advisory covering 9 CVEs
 before 0:5.3.3-1.el5_7.3
0:5.3.3-1.el5_7.3
php53-dba
Red Hat:enterprise_linux:5::server
From an advisory covering 9 CVEs
 before 0:5.3.3-1.el5_7.3
0:5.3.3-1.el5_7.3
php53-debuginfo
Red Hat:enterprise_linux:5::server
From an advisory covering 9 CVEs
 before 0:5.3.3-1.el5_7.3
0:5.3.3-1.el5_7.3
php53-devel
Red Hat:enterprise_linux:5::server
From an advisory covering 9 CVEs
 before 0:5.3.3-1.el5_7.3
0:5.3.3-1.el5_7.3
php53-gd
Red Hat:enterprise_linux:5::server
From an advisory covering 9 CVEs
 before 0:5.3.3-1.el5_7.3
0:5.3.3-1.el5_7.3
php53-imap
Red Hat:enterprise_linux:5::server
From an advisory covering 9 CVEs
 before 0:5.3.3-1.el5_7.3
0:5.3.3-1.el5_7.3
php53-intl
Red Hat:enterprise_linux:5::server
From an advisory covering 9 CVEs
 before 0:5.3.3-1.el5_7.3
0:5.3.3-1.el5_7.3
php53-ldap
Red Hat:enterprise_linux:5::server
From an advisory covering 9 CVEs
 before 0:5.3.3-1.el5_7.3
0:5.3.3-1.el5_7.3
php53-mbstring
Red Hat:enterprise_linux:5::server
From an advisory covering 9 CVEs
 before 0:5.3.3-1.el5_7.3
0:5.3.3-1.el5_7.3
php53-mysql
Red Hat:enterprise_linux:5::server
From an advisory covering 9 CVEs
 before 0:5.3.3-1.el5_7.3
0:5.3.3-1.el5_7.3
php53-odbc
Red Hat:enterprise_linux:5::server
From an advisory covering 9 CVEs
 before 0:5.3.3-1.el5_7.3
0:5.3.3-1.el5_7.3
php53-pdo
Red Hat:enterprise_linux:5::server
From an advisory covering 9 CVEs
 before 0:5.3.3-1.el5_7.3
0:5.3.3-1.el5_7.3
php53-pgsql
Red Hat:enterprise_linux:5::server
From an advisory covering 9 CVEs
 before 0:5.3.3-1.el5_7.3
0:5.3.3-1.el5_7.3
php53-process
Red Hat:enterprise_linux:5::server
From an advisory covering 9 CVEs
 before 0:5.3.3-1.el5_7.3
0:5.3.3-1.el5_7.3
php53-pspell
Red Hat:enterprise_linux:5::server
From an advisory covering 9 CVEs
 before 0:5.3.3-1.el5_7.3
0:5.3.3-1.el5_7.3
php53-snmp
Red Hat:enterprise_linux:5::server
From an advisory covering 9 CVEs
 before 0:5.3.3-1.el5_7.3
0:5.3.3-1.el5_7.3
php53-soap
Red Hat:enterprise_linux:5::server
From an advisory covering 9 CVEs
 before 0:5.3.3-1.el5_7.3
0:5.3.3-1.el5_7.3
php53-xml
Red Hat:enterprise_linux:5::server
From an advisory covering 9 CVEs
 before 0:5.3.3-1.el5_7.3
0:5.3.3-1.el5_7.3
php53-xmlrpc
Red Hat:enterprise_linux:5::server
From an advisory covering 9 CVEs
 before 0:5.3.3-1.el5_7.3
0:5.3.3-1.el5_7.3
php
Red Hat:enterprise_linux:6::server
From an advisory covering 9 CVEs
 before 0:5.3.3-3.el6_1.3
0:5.3.3-3.el6_1.3
php-cli
Red Hat:enterprise_linux:6::server
From an advisory covering 9 CVEs
 before 0:5.3.3-3.el6_1.3
0:5.3.3-3.el6_1.3
php-common
Red Hat:enterprise_linux:6::server
From an advisory covering 9 CVEs
 before 0:5.3.3-3.el6_1.3
0:5.3.3-3.el6_1.3
php-debuginfo
Red Hat:enterprise_linux:6::server
From an advisory covering 9 CVEs
 before 0:5.3.3-3.el6_1.3
0:5.3.3-3.el6_1.3
php-gd
Red Hat:enterprise_linux:6::server
From an advisory covering 9 CVEs
 before 0:5.3.3-3.el6_1.3
0:5.3.3-3.el6_1.3
php-ldap
Red Hat:enterprise_linux:6::server
From an advisory covering 9 CVEs
 before 0:5.3.3-3.el6_1.3
0:5.3.3-3.el6_1.3
php-mysql
Red Hat:enterprise_linux:6::server
From an advisory covering 9 CVEs
 before 0:5.3.3-3.el6_1.3
0:5.3.3-3.el6_1.3
php-odbc
Red Hat:enterprise_linux:6::server
From an advisory covering 9 CVEs
 before 0:5.3.3-3.el6_1.3
0:5.3.3-3.el6_1.3
php-pdo
Red Hat:enterprise_linux:6::server
From an advisory covering 9 CVEs
 before 0:5.3.3-3.el6_1.3
0:5.3.3-3.el6_1.3
php-pgsql
Red Hat:enterprise_linux:6::server
From an advisory covering 9 CVEs
 before 0:5.3.3-3.el6_1.3
0:5.3.3-3.el6_1.3
php-soap
Red Hat:enterprise_linux:6::server
From an advisory covering 9 CVEs
 before 0:5.3.3-3.el6_1.3
0:5.3.3-3.el6_1.3
php-xml
Red Hat:enterprise_linux:6::server
From an advisory covering 9 CVEs
 before 0:5.3.3-3.el6_1.3
0:5.3.3-3.el6_1.3
php-xmlrpc
Red Hat:enterprise_linux:6::server
From an advisory covering 9 CVEs
 before 0:5.3.3-3.el6_1.3
0:5.3.3-3.el6_1.3
php-bcmath
Red Hat:enterprise_linux:6::server
From an advisory covering 9 CVEs
 before 0:5.3.3-3.el6_1.3
0:5.3.3-3.el6_1.3
php-dba
Red Hat:enterprise_linux:6::server
From an advisory covering 9 CVEs
 before 0:5.3.3-3.el6_1.3
0:5.3.3-3.el6_1.3
php-devel
Red Hat:enterprise_linux:6::server
From an advisory covering 9 CVEs
 before 0:5.3.3-3.el6_1.3
0:5.3.3-3.el6_1.3
php-embedded
Red Hat:enterprise_linux:6::server
From an advisory covering 9 CVEs
 before 0:5.3.3-3.el6_1.3
0:5.3.3-3.el6_1.3
php-enchant
Red Hat:enterprise_linux:6::server
From an advisory covering 9 CVEs
 before 0:5.3.3-3.el6_1.3
0:5.3.3-3.el6_1.3
php-imap
Red Hat:enterprise_linux:6::server
From an advisory covering 9 CVEs
 before 0:5.3.3-3.el6_1.3
0:5.3.3-3.el6_1.3
php-intl
Red Hat:enterprise_linux:6::server
From an advisory covering 9 CVEs
 before 0:5.3.3-3.el6_1.3
0:5.3.3-3.el6_1.3
php-mbstring
Red Hat:enterprise_linux:6::server
From an advisory covering 9 CVEs
 before 0:5.3.3-3.el6_1.3
0:5.3.3-3.el6_1.3
php-process
Red Hat:enterprise_linux:6::server
From an advisory covering 9 CVEs
 before 0:5.3.3-3.el6_1.3
0:5.3.3-3.el6_1.3
php-pspell
Red Hat:enterprise_linux:6::server
From an advisory covering 9 CVEs
 before 0:5.3.3-3.el6_1.3
0:5.3.3-3.el6_1.3
php-recode
Red Hat:enterprise_linux:6::server
From an advisory covering 9 CVEs
 before 0:5.3.3-3.el6_1.3
0:5.3.3-3.el6_1.3
php-snmp
Red Hat:enterprise_linux:6::server
From an advisory covering 9 CVEs
 before 0:5.3.3-3.el6_1.3
0:5.3.3-3.el6_1.3
php-tidy
Red Hat:enterprise_linux:6::server
From an advisory covering 9 CVEs
 before 0:5.3.3-3.el6_1.3
0:5.3.3-3.el6_1.3
php-zts
Red Hat:enterprise_linux:6::server
From an advisory covering 9 CVEs
 before 0:5.3.3-3.el6_1.3
0:5.3.3-3.el6_1.3

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
Exploit-DBPHP < 5.3.6 'OpenSSL' Extension - 'openssl_encrypt' Plaintext Data Memory Leak Denial of Service2011-03-08
Exploit-DBPHP < 5.3.6 'OpenSSL' Extension - 'openssl_decrypt' Ciphertext Data Memory Leak Denial of Service2011-03-08

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, Exploit-DB, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2011-1468 is a medium vulnerability (CVSS 4.3) in Php, published March 20, 2011. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 13.3%, the 96th percentile. No source names a fixed version.

References

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