In libxml2 before 2.15.4, xmlFAParsePosCharGroup has an out-of-bounds read, aka an out-of-bounds read in the NXT macro in xmlregexp.

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History

Mon, 14 Sep 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 08 Sep 2026 00:15:00 +0000

Type Values Removed Values Added
Title Out-of-Bounds Read in libxml2's xmlFAParsePosCharGroup libxml2: libxml2: Denial of Service via out-of-bounds read in xmlFAParsePosCharGroup
References
Metrics threat_severity

None

threat_severity

Low


Sat, 05 Sep 2026 06:15:00 +0000

Type Values Removed Values Added
Title Out-of-Bounds Read in libxml2's xmlFAParsePosCharGroup

Sat, 05 Sep 2026 04:30:00 +0000

Type Values Removed Values Added
Description In libxml2 before 2.15.4, xmlFAParsePosCharGroup has an out-of-bounds read, aka an out-of-bounds read in the NXT macro in xmlregexp.
First Time appeared Xmlsoft
Xmlsoft libxml2
Weaknesses CWE-125
CPEs cpe:2.3:a:xmlsoft:libxml2:*:*:*:*:*:*:*:*
Vendors & Products Xmlsoft
Xmlsoft libxml2
References
Metrics cvssV3_1

{'score': 2.9, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-09-14T13:50:50.073Z

Reserved: 2026-09-05T04:19:30.345Z

Link: CVE-2026-86137

cve-icon Vulnrichment

Updated: 2026-09-14T13:48:09.247Z

cve-icon NVD

Status : Analyzed

Published: 2026-09-05T05:17:11.490

Modified: 2026-09-15T19:46:11.827

Link: CVE-2026-86137

cve-icon Redhat

Severity : Low

Publid Date: 2026-09-05T04:19:30Z

Links: CVE-2026-86137 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-09-05T06:00:12Z

Weaknesses