CVE-2015-5589: n/a vulnerability

CVE-2015-5589: The phar_convert_to_other function in ext/phar/phar_object.c in PHP before 5.4.43, 5.5.x before 5.5.27, and...

The phar_convert_to_other function in ext/phar/phar_object.c in PHP before 5.4.43, 5.5.x before 5.5.27, and 5.6.x before 5.6.11 does not validate a file pointer before a close operation, which allows remote attackers to cause a denial of service (segmentation fault) or possibly have unspecified other impact via a crafted TAR archive that is mishandled in a Phar::convertToData call.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 6, 2024, 06:50 UTC (UTC+00:00)

Security readout for executives and security teams

This is an old PHP flaw where processing a specially crafted TAR archive through Phar::convertToData can crash PHP. The clearest business impact is denial of service for affected applications that convert attacker-supplied archives. The sources do not show confirmed active exploitation or a complete impact beyond possible unspecified effects. Exposure is most likely in legacy PHP 5.x environments where application code or tooling accepts archives from users or remote sources and invokes Phar::convertToData. Systems running fixed PHP releases or not using this Phar conversion path are less likely to be affected. Treat this as a legacy exposure cleanup item unless the organization still runs affected PHP 5.x with user-supplied archive processing. Prioritize remediation higher for public-facing upload or conversion services because the likely impact is application crash and service disruption. Mitigation focus: Upgrade PHP to 5.4.43, 5.5.27, 5.6.11, or a supported fixed release.; Apply distribution vendor updates, including Debian guidance where relevant.; Avoid processing untrusted TAR archives with Phar::convertToData..

Prepared: Jun 13, 2026, 14:22 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: May 16, 2016, 10:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0CVSS vectors

0Timeline events

0ADP providers

2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
https://bugs.php.net/bug.php?id=69958CVE reference · x_refsource_CONFIRM

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

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