Multiple use-after-free vulnerabilities in PHP before 5.4.45, 5.5.x before 5.5.29, and 5.6.x before 5.6.13 allow remote attackers to…

Description

Multiple use-after-free vulnerabilities in PHP before 5.4.45, 5.5.x before 5.5.29, and 5.6.x before 5.6.13 allow remote attackers to execute arbitrary code via vectors related to (1) the Serializable interface, (2) the SplObjectStorage class, and (3) the SplDoublyLinkedList class, which are mishandled during unserialization.

Scores

EPSS (exploitation in 30 days)

46.8% · top 1.2% of all CVEs (4 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.

Weakness

• n/a

Affected products

• n/a

  • affected n/a

References (8)

• https://bugs.php.net/bug.php?id=70366 (opens in a new tab)x_refsource_CONFIRMx_transferred
• 1033548 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
• 76649 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• http://php.net/ChangeLog-5.php (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://bugs.php.net/bug.php?id=70365 (opens in a new tab)x_refsource_CONFIRMx_transferred
• https://bugs.php.net/bug.php?id=70172 (opens in a new tab)x_refsource_CONFIRMx_transferred
• DSA-3358 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
• GLSA-201606-10 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_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-2015-6834](https://trackcve.app/badge/CVE-2015-6834.svg)](https://trackcve.app/cve/CVE-2015-6834)

Record last updated 6 Aug 2024, 07:36 UTC.