Out-of-bounds Read Affecting pcre2-utf16 package, versions <0:10.48-0.1.hum1


Severity

Recommended
0.0
low
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.16% (4th percentile)

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  • Snyk IDSNYK-RHEL10-PCRE2UTF16-20033954
  • published22 Sept 2026
  • disclosed11 Sept 2026

Introduced: 11 Sep 2026

CVE-2026-89162  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade RHEL:10 pcre2-utf16 to version 0:10.48-0.1.hum1 or higher.
This issue was patched in RHSA-2026:67534.

NVD Description

Note: Versions mentioned in the description apply only to the upstream pcre2-utf16 package and not the pcre2-utf16 package as distributed by RHEL. See How to fix? for RHEL:10 relevant fixed versions and status.

In PCRE2 before 10.48, pcre2_serialize_encode might disclose two bytes to an adversary, typically in a situation where the access available to the adversary is already unsafe.

CVSS Base Scores

version 3.1