Incorrect Resource Transfer Between Spheres Affecting pcre2 package, versions *


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.16% (4th percentile)

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  • Snyk IDSNYK-UBUNTU2610-PCRE2-21240116
  • published18 Oct 2026
  • disclosed11 Sept 2026

Introduced: 11 Sep 2026

CVE-2026-89162  (opens in a new tab)
CWE-669  (opens in a new tab)

How to fix?

There is no fixed version for Ubuntu:26.10 pcre2.

NVD Description

Note: Versions mentioned in the description apply only to the upstream pcre2 package and not the pcre2 package as distributed by Ubuntu. See How to fix? for Ubuntu:26.10 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