The finish_nested_data function in ext/standard/var_unserializer.re in PHP before 5.6.31, 7.0.x before 7.0.21, and 7.1.x before 7.1.7 is prone to a buffer over-read while unserializing untrusted data. Exploitation of this issue can have an unspecified impact on the integrity of PHP.

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-1076-1 php5 security update
Debian DSA Debian DSA DSA-4080-1 php7.0 security update
Debian DSA Debian DSA DSA-4081-1 php5 security update
Ubuntu USN Ubuntu USN USN-3566-1 PHP vulnerabilities
Ubuntu USN Ubuntu USN USN-3566-2 PHP vulnerabilities
Fixes

Solution

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Workaround

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-05T18:51:07.374Z

Reserved: 2017-08-17T00:00:00.000Z

Link: CVE-2017-12933

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Deferred

Published: 2017-08-18T03:29:00.230

Modified: 2025-04-20T01:37:25.860

Link: CVE-2017-12933

cve-icon Redhat

Severity : Low

Publid Date: 2017-02-16T00:00:00Z

Links: CVE-2017-12933 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses