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CVE-2026-89162 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:3.3 LOWVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CNA: [email protected]CVSS-B:2.9 LOWVector:CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/PCRE2Project/pcre2/releases/tag/pcre2-10.48	[email protected]	Release Notes
https://github.com/PCRE2Project/pcre2/security/advisories/GHSA-q7rw-r7qq-2hx6	[email protected]	ExploitVendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-669	Incorrect Resource Transfer Between Spheres	[email protected]

Affected Products

Product	Versions
pcre pcre2	>= 10.45, < 10.48 10.48 rc1
CPE cpe:2.3:a:pcre:pcre2:::::::: cpe:2.3:a:pcre:pcre2:10.48:rc1:::::: Remediation No remediation found in references.

Change History

3 change records found show changes

Date	Action	Recorded By
Sep 16, 2026	Initial Analysis	[email protected]
Sep 14, 2026	CVE Modified	CISA-ADP
Sep 11, 2026	New CVE Received	[email protected]