Input validation error in PHP - CVE-2007-1286
Published: October 16, 2018 / Updated: June 14, 2025
Vulnerability identifier: #VU110455
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2007-1286
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
Integer overflow in PHP 4.4.4 and earlier allows remote context-dependent attackers to execute arbitrary code via a long string to the unserialize function, which triggers the overflow in the ZVAL reference counter.
Affected software
PHP
Gentoo Linux
dev-lang/php
Gentoo Linux
dev-lang/php
How to mitigate CVE-2007-1286
Install update from vendor's website.
PHP - update to 4.4.5
dev-lang/php - addressed in versions 5.2.1-r3, 5.2.2
dev-lang/php - addressed in versions 5.2.1-r3, 5.2.2
Links to Public Exploits and PoC-codes
- Exploit #11650 - PHP 4.4.4 - Unserialize() ZVAL Reference Counter Overflow (PoC) (June 14, 2025)
- Exploit #11526 - PHP 4 - Unserialize() ZVAL Reference Counter Overflow (Cookie) (Metasploit) (June 10, 2025)
- Exploit #11527 - PHP < 4.5.0 - Unserialize Overflow (Metasploit) (June 10, 2025)
- Exploit #11485 - PHP 4 unserialize() ZVAL Reference Counter Overflow (Cookie) (June 8, 2025)
External References
- http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&objectID=c01056506
- http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&objectID=c01086137
- http://rhn.redhat.com/errata/RHSA-2007-0154.html
- http://rhn.redhat.com/errata/RHSA-2007-0155.html
- http://rhn.redhat.com/errata/RHSA-2007-0163.html
- http://secunia.com/advisories/24419
- http://secunia.com/advisories/24606
- http://secunia.com/advisories/24910
- http://secunia.com/advisories/24924
- http://secunia.com/advisories/24941
- http://secunia.com/advisories/24945
- http://secunia.com/advisories/25025
- http://secunia.com/advisories/25062
- http://secunia.com/advisories/25423
- http://secunia.com/advisories/25445
- http://secunia.com/advisories/25850
- http://security.gentoo.org/glsa/glsa-200703-21.xml
- http://security.gentoo.org/glsa/glsa-200705-19.xml
- http://www.debian.org/security/2007/dsa-1282
- http://www.debian.org/security/2007/dsa-1283
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:087
- http://www.mandriva.com/security/advisories?name=MDKSA-2007:088
- http://www.osvdb.org/32771
- http://www.php-security.org/MOPB/MOPB-04-2007.html
- http://www.securityfocus.com/archive/1/466166/100/0/threaded
- http://www.securityfocus.com/bid/22765
- http://www.trustix.org/errata/2007/0009/
- http://www.vupen.com/english/advisories/2007/1991
- http://www.vupen.com/english/advisories/2007/2374
- https://exchange.xforce.ibmcloud.com/vulnerabilities/32796
- https://issues.rpath.com/browse/RPL-1268
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11575