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7.4High

CVE-2026-89161

PCRE PCRE2 Published: 2026-09-11 07:11 (2 months ago)

Description

In PCRE2 before 10.48, pcre2_jit_match mishandles a previously copied subject being passed in as a context. An incorrect free operation can occur.

Weakness (CWE): CWE-590

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

Vendor	Product	Versions
PCRE	PCRE2	< 10.48

References and patches

https://github.com/PCRE2Project/pcre2/releases/tag/pcre2-10.48 Release Notes
https://github.com/PCRE2Project/pcre2/pull/937 Patch

CPE matches (NVD) (2)

cpe:2.3:a:pcre:pcre2:*:*:*:*:*:*:*:* < 10.48
cpe:2.3:a:pcre:pcre2:10.48:rc1:*:*:*:*:*:*

CVSS score

7.4High

Source: mitre · CVSS 3.1

Attack vector: Local
Attack complexity: High
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

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

All scores (3)

cna	CVSS 3.1	7.4High
cve@mitre.org	CVSS 3.1	7.4High
nvd	CVSS 3.1	7.8High

EPSS (chance of exploitation in 30 days)

0.13%

higher than 2% of all CVEs

CISA assessment (SSVC)

Exploitation: none
Automatable: no
Technical impact: total

Timeline

ID reserved2026-09-11
Published2026-09-11 07:11
Reached IP-DB2026-10-24 23:50
Last updated2026-09-16 22:10

Assigned by (CNA): mitre
NVD status: Undergoing Analysis

View at source: CVE.org · NVD

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