CVE-2026-89156

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-89156
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-11 04:18:03 UTC
Updated2026-09-16 19:27:01 UTC
DescriptionPCRE2 before 10.48 has a pcre2_match out-of-bounds read after a JIT fallback when an attacker can provide invalid UTF data.

Risk And Classification

Primary CVSS: v3.1 5.9 MEDIUM from [email protected]

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

EPSS: 0.001020000 probability, percentile 0.010480000 (date 2026-09-16)

Problem Types: CWE-125 | CWE-125 CWE-125 Out-of-bounds Read

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary5.9MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
3.1[email protected]Secondary2.9LOWCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
3.1CNACVSS2.9LOWCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Pcre Pcre2 All All All All
Application Pcre Pcre2 10.48 rc1 All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA PCRE PCRE2 affected 10.34 10.48 custom Not specified

References

ReferenceSourceLinkTags
github.com/PCRE2Project/pcre2/security/advisories/GHSA-2p8c-ff85-vh9x [email protected] github.com Exploit, Mitigation, Vendor Advisory
github.com/PCRE2Project/pcre2/releases/tag/pcre2-10.48 [email protected] github.com Release Notes
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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