CVE-2007-1521
MEDIUM · CVSS 6.8EPSS 8.6%EU EUVD
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.
Key facts
- CVSS score
- 6.8 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:M/Au:N/C:P/I:P/A:P- EPSS score
- 8.6% (95th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2007-1515)
- Published
- March 20, 2007
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2007-1515 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- php / php
References
- http://docs.info.apple.com/article.html?artnum=306172
- http://lists.apple.com/archives/security-announce//2007/Jul/msg00004.html
- http://secunia.com/advisories/24505(Vendor Advisory)
- http://secunia.com/advisories/25025(Vendor Advisory)
- http://secunia.com/advisories/25056
- http://secunia.com/advisories/25057(Vendor Advisory)
- http://secunia.com/advisories/25062(Vendor Advisory)
- http://secunia.com/advisories/25445
- http://secunia.com/advisories/26235
- http://security.gentoo.org/glsa/glsa-200705-19.xml
- http://us2.php.net/releases/4_4_7.php
- http://us2.php.net/releases/5_2_2.php
- http://www.debian.org/security/2007/dsa-1282
- http://www.debian.org/security/2007/dsa-1283
- http://www.novell.com/linux/security/advisories/2007_32_php.html
- http://www.php-security.org/MOPB/MOPB-22-2007.html(Exploit, Vendor Advisory)
- http://www.securityfocus.com/bid/22968
- http://www.securityfocus.com/bid/25159
- http://www.ubuntu.com/usn/usn-455-1
- http://www.vupen.com/english/advisories/2007/0960
- http://www.vupen.com/english/advisories/2007/2732
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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