CVE-2011-1468
Multiple memory leaks in the OpenSSL extension in PHP before 5.3.6 might allow remote attackers to cause a denial of service (memory…
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
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.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list 2 Exploit-DB entries for it.
Exploit-DB2 entries
- PHP < 5.3.6 'OpenSSL' Extension - 'openssl_encrypt' Plaintext Data Memory Leak Denial of Service (Exploit-DB entry) (opens in a new tab)
EDB-ID 35486dos, phppublished 8 Mar 2011Verified
- PHP < 5.3.6 'OpenSSL' Extension - 'openssl_decrypt' Ciphertext Data Memory Leak Denial of Service (Exploit-DB entry) (opens in a new tab)
EDB-ID 35487dos, phppublished 8 Mar 2011Verified
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By mitre
- 1 day later
· 1 day later
Published
- 13 years later
· 13 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 13.3% · top 3.6% of all CVEs (9 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.
Weakness
Affected products
n/a
- affected n/a
References (9)
- MDVSA-2011:053 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- http://www.php.net/ChangeLog-5.php (opens in a new tab)x_refsource_CONFIRMx_transferred
- APPLE-SA-2011-10-12-3 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
- http://bugs.php.net/bug.php?id=54060 (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2011:1423 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 46977 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- ADV-2011-0744 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- http://support.apple.com/kb/HT5002 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://bugs.php.net/bug.php?id=54061 (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2011-1473 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2011-1468)Record last updated .