Integer Overflow or Wraparound Affecting php-xml-debuginfo package, versions <0:8.3.31-1.el10_2


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.44% (36th percentile)

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  • Snyk IDSNYK-RHEL10-PHPXMLDEBUGINFO-17175885
  • published5 Jun 2026
  • disclosed10 May 2026

Introduced: 10 May 2026

CVE-2026-7568  (opens in a new tab)
CWE-190  (opens in a new tab)

How to fix?

Upgrade RHEL:10 php-xml-debuginfo to version 0:8.3.31-1.el10_2 or higher.
This issue was patched in RHSA-2026:23388.

NVD Description

Note: Versions mentioned in the description apply only to the upstream php-xml-debuginfo package and not the php-xml-debuginfo package as distributed by RHEL. See How to fix? for RHEL:10 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1