---
cve: "CVE-2026-89158"
severity: "MEDIUM"
cvss: 6.5
epss: "0.2%"
vendor: "PCRE"
kev: false
exploited: false
published: "2026-09-11 04:18:03"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-20T16:06:07+02:00"
---

# CVE-2026-89158

> 6.5 MEDIUM · 🧪 PoC

## Beschreibung

PCRE2 before 10.48, on 32-bit platforms, has a pcre2_compile_32 integer overflow and resultant out-of-bounds write.

## CVSS-Vektor

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

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

## Patch verfügbar (OSV)

- 7978954dbd2efc6f2196869290553cf1871b4ce6 (Commit)

## Referenzen

- <https://github.com/PCRE2Project/pcre2/releases/tag/pcre2-10.48>
- <https://github.com/PCRE2Project/pcre2/security/advisories/GHSA-fmgr-6ggq-9859>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-89158) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_