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CVE-2007-1521
Double free vulnerability in PHP before 4.4.7, and 5.x before 5.2.2, allows context-dependent attackers to execute arbitrary code by…
Medium6.8EPSS 8.6%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
Double free vulnerability in PHP before 4.4.7, and 5.x before 5.2.2, allows context-dependent attackers to execute arbitrary code by interrupting the session_regenerate_id function, as demonstrated by calling a userspace error handler or triggering a memory limit violation.
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)
- 8.6% · top 4.9% of all CVEs (5 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.8.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (21)
- ADV-2007-0960 (opens in a new tab)vdb-entryx_refsource_VUPENx_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
- DSA-1283 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 24505 (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://us2.php.net/releases/4_4_7.php (opens in a new tab)x_refsource_CONFIRMx_transferred
- 25062 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- USN-455-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- DSA-1282 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_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
- http://www.php-security.org/MOPB/MOPB-22-2007.html (opens in a new tab)x_refsource_MISCx_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
- 25025 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 22968 (opens in a new tab)vdb-entryx_refsource_BIDx_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)
- 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://trackcve.app/cve/CVE-2007-1521)Record last updated .