CVE-2007-1711
Double free vulnerability in the unserializer in PHP 4.4.5 and 4.4.6 allows context-dependent attackers to execute arbitrary code by…
- 6.8MediumCVSS base score
- 7.7%Exploitation in 30 daysEPSS · top 5.3% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
Description
Double free vulnerability in the unserializer in PHP 4.4.5 and 4.4.6 allows context-dependent attackers to execute arbitrary code by overwriting variables pointing to (1) the GLOBALS array or (2) the session data in _SESSION. NOTE: this issue was introduced when attempting to patch CVE-2007-1701 (MOPB-31-2007).
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list an Exploit-DB entry for it.
Show the exploits1
Exploit-DB1 entry
- PHP 4.4.5/4.4.6 - 'session_decode()' Double-Free (PoC) (Exploit-DB entry) (opens in a new tab)
EDB-ID 3586dos, linuxpublished 27 Mar 2007Verified
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
- 17 years later
· 17 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 | Medium6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 7.7% · top 5.3% of all CVEs (10 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.8.
Affected products
n/a
- affected n/a
References
26
- ADV-2007-2732 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- 23121 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- DSA-1283 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- RHSA-2007:0154 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 20070418 rPSA-2007-0073-1 php php-mysql php-pgsql (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- APPLE-SA-2007-07-31 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
- GLSA-200705-19 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- 24941 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 25062 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- oval:org.mitre.oval:def:10406 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- MDKSA-2007:087 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- 24945 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- DSA-1282 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- https://issues.rpath.com/browse/RPL-1268 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://docs.info.apple.com/article.html?artnum=306172 (opens in a new tab)x_refsource_CONFIRMx_transferred
- php-deserializer-code-execution(33575) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 24924 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- RHSA-2007:0155 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 24910 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 25159 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 25445 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://www.php-security.org/MOPB/MOPB-32-2007.html (opens in a new tab)x_refsource_MISCx_transferred
- RHSA-2007:0163 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 25025 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- MDKSA-2007:088 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- 26235 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_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-2007-1705 (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-2007-1711)Record last updated .