---
cve: "CVE-2026-86137"
severity: "LOW"
cvss: 2.9
epss: "6.2%"
vendor: "Generic Security"
kev: false
exploited: false
published: "2026-09-05 05:17:11"
tags: [cve, security, low]
source: tsecurity.de CVE-Dossier
exported: "2026-09-07T05:03:21+02:00"
---

# CVE-2026-86137

> 2.9 LOW

## Beschreibung

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.

## CVSS-Vektor

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

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Lokal | good |
| AC Komplexität | Hoch | good |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Keine | good |
| I Integrität | Keine | good |
| A Verfügbarkeit | Gering | warn |

## Patch verfügbar (OSV)

- 76fe08d97de88bfaef2f7d5cd27f11954cc5bee2 (Commit)

## Referenzen

- <https://github.com/GNOME/libxml2/commit/76fe08d97de88bfaef2f7d5cd27f11954cc5bee2>
- <https://github.com/GNOME/libxml2/compare/v2.15.3...v2.15.4>
- <https://gitlab.gnome.org/GNOME/libxml2/-/work_items/1099>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-86137) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_