Bug 2425627 (CVE-2025-14180)

Summary:	CVE-2025-14180 php: PHP: Denial of Service via invalid character sequence in PDO PostgreSQL prepared statement
Product:	[Other] Security Response	Reporter:	OSIDB Bzimport <bzimport>
Component:	vulnerability	Assignee:	Product Security DevOps Team <prodsec-dev>
Status:	NEW ---	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	jkoehler, lphiri, sdawley
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
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Doc Text:	A flaw was found in PHP. When the PDO (PHP Data Objects) PostgreSQL driver is configured with `PDO::ATTR_EMULATE_PREPARES` enabled, a remote attacker can exploit a vulnerability by providing an invalid character sequence within a prepared statement parameter. This can cause a null pointer dereference, leading to a server crash. The primary impact is a Denial of Service (DoS), affecting the availability of the target server.	Story Points:	---
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Last Closed:		Type:	---
Regression:	---	Mount Type:	---
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Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2425721, 2425722
Bug Blocks:

Description OSIDB Bzimport 2025-12-27 20:01:16 UTC

In PHP versions 8.1.* before 8.1.34, 8.2.* before 8.2.30, 8.3.* before 8.3.29, 8.4.* before 8.4.16, 8.5.* before 8.5.1 when using the PDO PostgreSQL driver with PDO::ATTR_EMULATE_PREPARES enabled, an invalid character sequence (such as \x99) in a prepared statement parameter may cause the quoting function PQescapeStringConn to return NULL, leading to a null pointer dereference in pdo_parse_params() function. This may lead to crashes (segmentation fault) and affect the availability of the target server.