CVE Database›Document archive›CVE-2026-89162

CVE-2026-89162

pcre2: PCRE2: Information disclosure via pcre2_serialize_encode

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Severity

Low

Red Hat Product Security

2.9

CVSS 3.1

Review impact separately from score.

Published · September 11, 2026

Updated · September 21, 2026

Description

A flaw was found in PCRE2. The pcre2_serialize_encode function might disclose two bytes of information to an attacker. This vulnerability typically occurs in scenarios where the attacker already has unsafe access to the system, making exploitation difficult. The primary impact is a limited information disclosure.

Statement

This is a information disclosure flaw in PCRE2. The vulnerability, which could expose two bytes of data, requires an adversary to have already gained unsafe access to the system, significantly limiting its exploitability in typical Red Hat deployments.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

CVSS / CWE

CVSS 3.1 · 2.9
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

CWE-125 · Out-of-bounds Read