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CVE PROGRAM SOURCE RECORD6.3 Medium

CVE-2026-7568

Signed integer overflow in metaphone()

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Status
Published
Published
Updated
Assigning organization
php

Description

In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, the metaphone() function in ext/standard/metaphone.c uses a signed int variable to track the current position within the input string. If a string longer than 2,147,483,647 bytes is passed, a signed integer overflow occurs, resulting in undefined behavior. This can lead to an out-of-bounds read, causing a segmentation fault or access to unrelated memory, and may affect the availability of the PHP process.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

PHP Group PHP

Default version status: affected

  • 8.2.* to < 8.2.31affected
  • 8.3.* to < 8.3.31affected
  • 8.4.* to < 8.4.21affected
  • 8.5.* to < 8.5.6affected

References