Description
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.
Published: 2017-08-18
Score: 9.8 Critical
EPSS: 13.0% Moderate
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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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
History

No history.

Subscriptions

Php Php
Redhat Rhel Software Collections
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 : Modified

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

Modified: 2026-05-13T00:24:29.033

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