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Vulnerabilities in the PHP language itself, and which PHP versions they affect.

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CVE-2025-14180

HIGH 8.2 CVSS 4.0
Published
December 27, 2025
Last modified
October 13, 2026
NVD status
Analyzed
Reported by
security@php.net
Weakness
CWE-476
CVSS vector
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/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

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 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.

Affected products and versions

  • PHP — From 8.1.0 (including) to 8.1.34 (excluding)
  • PHP — From 8.2.0 (including) to 8.2.30 (excluding)
  • PHP — From 8.3.0 (including) to 8.3.29 (excluding)
  • PHP — From 8.4.0 (including) to 8.4.16 (excluding)
  • PHP — From 8.5.0 (including) to 8.5.1 (excluding)

References

  • github.com https://github.com/php/php-src/security/advisories/GHSA-8xr5-qppj-gvwj Exploit, Vendor Advisory
  • nvd.nist.gov Official NVD record