CVE-2017-12933

php: buffer over-read in finish_nested_data function

Published Aug 18, 2017 CVSS 3.0 · 9.8 Critical EPSS 6.9% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

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.

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 5, 2024, 6:51 PM
Reserved
Aug 17, 2017, 12:00 AM
Status
Modified
Published
Aug 18, 2017, 3:29 AM
Modified
Jun 17, 2026, 1:04 AM
Severity
Low
Public date
Feb 16, 2017, 12:00 AM