CVE-2022-31627

Heap buffer overflow in finfo_buffer

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Published Jul 28, 2022 CVSS 3.1 · 7.7 High EPSS 2.1% KEV · Not listed

Description

In PHP versions 8.1.x below 8.1.8, when fileinfo functions, such as finfo_buffer, due to incorrect patch applied to the third party code from libmagic, incorrect function may be used to free allocated memory, which may lead to heap corruption.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

PHP Group

PHP

affected

Version	Status	Constraints
`8.1.X`	affected	< 8.1.8

Configuration 1 [-]

cpe:2.3:a:php:php:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2022-53079	In PHP versions 8.1.x below 8.1.8, when fileinfo functions, such as finfo_buffer, due to incorrect patch applied to the third party code from libmagic, incorrect function may be used to free allocated memory, which may lead to heap corruption.
Ubuntu USN	USN-5530-1	PHP vulnerability

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact Low

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: 2.1% (2.141% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://bugs.php.net/bug.php?id=81723
https://nvd.nist.gov/vuln/detail/CVE-2022-31627
https://security.gentoo.org/glsa/202209-20
https://security.netapp.com/advisory/ntap-20220826-0008/
https://www.cve.org/CVERecord?id=CVE-2022-31627

History

No history.

Subscriptions

Php Php

Weaknesses

Sources

CVE record Updated: Sep 16, 2024, 9:02 PM

Status: PUBLISHED
Assigner: php
Published: Jul 28, 2022, 5:50 AM
Updated: Sep 16, 2024, 9:02 PM
Reserved: May 25, 2022, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 4:45 AM

Status: Modified
Published: Jul 28, 2022, 6:15 AM
Modified: Jun 17, 2026, 4:45 AM

View source JSON

Red Hat Updated: Jul 8, 2022, 12:00 AM

Severity: Low
Public date: Jul 8, 2022, 12:00 AM

View source Bugzilla JSON

OpenCVE enrichment No data

No data.

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