Use-after-free vulnerability in the process_nested_data function in ext/standard/var_unserializer.re in PHP before 5.4.39, 5.5.x before…

Description

Use-after-free vulnerability in the process_nested_data function in ext/standard/var_unserializer.re in PHP before 5.4.39, 5.5.x before 5.5.23, and 5.6.x before 5.6.7 allows remote attackers to execute arbitrary code via a crafted unserialize call that leverages use of the unset function within an __wakeup function, a related issue to CVE-2015-0231.

Scores

EPSS (exploitation in 30 days)

11.8% · top 3.9% of all CVEs (4 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.

Weakness

• n/a

Affected products

• n/a

  • affected n/a

References (21)

• https://gist.github.com/smalyshev/eea9eafc7c88a4a6d10d (opens in a new tab)x_refsource_CONFIRMx_transferred
• 1032485 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
• 73431 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• HPSBMU03409 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
• APPLE-SA-2015-09-30-3 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
• HPSBMU03380 (opens in a new tab)vendor-advisoryx_refsource_HPx_transferred
• http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://www.oracle.com/technetwork/topics/security/bulletinjul2015-2511963.html (opens in a new tab)x_refsource_CONFIRMx_transferred
• http://php.net/ChangeLog-5.php (opens in a new tab)x_refsource_CONFIRMx_transferred
• SUSE-SU-2015:0868 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• https://support.apple.com/HT205267 (opens in a new tab)x_refsource_CONFIRMx_transferred
• APPLE-SA-2015-08-13-2 (opens in a new tab)vendor-advisoryx_refsource_APPLEx_transferred
• USN-2572-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
• RHSA-2015:1135 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• https://support.apple.com/kb/HT205031 (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://bugs.php.net/bug.php?id=68976 (opens in a new tab)x_refsource_CONFIRMx_transferred
• RHSA-2015:1053 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• openSUSE-SU-2015:0684 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
• GLSA-201606-10 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
• RHSA-2015:1066 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
• RHSA-2015:1218 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_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

[![CVE-2015-2787](https://trackcve.app/badge/CVE-2015-2787.svg)](https://trackcve.app/cve/CVE-2015-2787)

Record last updated 6 Aug 2024, 05:24 UTC.