SecuriTricks - CVE-2025-14177

Description

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, the getimagesize() function may leak uninitialized heap memory into the APPn segments (e.g., APP1) when reading images in multi-chunk mode (such as via php://filter). This occurs due to a bug in php_read_stream_all_chunks() that overwrites the buffer without advancing the pointer, leaving tail bytes uninitialized. This may lead to information disclosure of sensitive heap data and affect the confidentiality of the target server.

Product(s) Impacted

Vendor	Product	Versions
Php	Php	8.1., 8.2., 8.3., 8.4., 8.5.*

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-125

Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	php	php	8.1.*	/	/	/	/	/	/	/
a	php	php	8.2.*	/	/	/	/	/	/	/
a	php	php	8.3.*	/	/	/	/	/	/	/
a	php	php	8.4.*	/	/	/	/	/	/	/
a	php	php	8.5.*	/	/	/	/	/	/	/

References

https://github.com/php/php-src/security/advisories/GHSA-3237-qqm7-mfv7

CVSS Score

6.3 / 10

CVSS Data - 4.0

Attack Vector: NETWORK
Attack Complexity: HIGH
Attack Requirements: PRESENT
Privileges Required: NONE
User Interaction: NONE
Scope:
Confidentiality Impact: LOW
Integrity Impact: NONE
Availability Impact: NONE
Exploit Maturity: NOT_DEFINED

CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

View Vector String

Timeline

Published: Dec. 27, 2025, 8:15 p.m.
Last Modified: Dec. 27, 2025, 8:15 p.m.

Status : Received

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

security@php.net

CVE-2025-14177