---
cve: "CVE-2026-89161"
severity: "HIGH"
cvss: 7.4
epss: "0.1%"
vendor: "PCRE"
kev: false
exploited: false
published: "2026-09-11 04:18:04"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-21T01:33:42+02:00"
---

# CVE-2026-89161

> 7.4 HIGH · 🧪 PoC

## Beschreibung

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.

## CVSS-Vektor

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

| 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 | Hoch | bad |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Hoch | bad |

## Patch verfügbar (OSV)

- 7978954dbd2efc6f2196869290553cf1871b4ce6 (Commit)

## Referenzen

- <https://github.com/PCRE2Project/pcre2/releases/tag/pcre2-10.48>
- <https://github.com/PCRE2Project/pcre2/pull/937>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-89161) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_