CVE-2007-1484
The array_user_key_compare function in PHP 4.4.6 and earlier, and 5.x up to 5.2.1, makes erroneous calls to zval_dtor, which triggers…
- 4.6MediumCVSS base score
- 1.1%Exploitation in 30 daysEPSS · top 33% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
Description
The array_user_key_compare function in PHP 4.4.6 and earlier, and 5.x up to 5.2.1, makes erroneous calls to zval_dtor, which triggers memory corruption and allows local users to bypass safe_mode and execute arbitrary code via a certain unset operation after array_user_key_compare has been called.
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 4.4.6/5.2.1 - 'array_user_key_compare()' ZVAL dtor Local Overflow (Exploit-DB entry) (opens in a new tab)
EDB-ID 3499local, linuxpublished 16 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
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 | Medium4.6 | AV:L/AC:L/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 1.1% · top 33% of all CVEs (9 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.6.
Affected products
n/a
- affected n/a
References
16
- 22990 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- ADV-2007-2732 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- 25056 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 24542 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_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
- http://www.php-security.org/MOPB/MOPB-24-2007.html (opens in a new tab)x_refsource_MISCx_transferred
- http://us2.php.net/releases/4_4_7.php (opens in a new tab)x_refsource_CONFIRMx_transferred
- USN-455-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- http://us2.php.net/releases/5_2_2.php (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
- 25159 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 25445 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 25057 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- SUSE-SA:2007:032 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_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-2007-1478 (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-2007-1484)Record last updated .