---
cve: "CVE-2026-79515"
severity: "MEDIUM"
cvss: 4.3
epss: "23%"
vendor: "n/a"
kev: false
exploited: false
published: "2026-09-09 21:17:04"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-17T09:44:07+02:00"
---

# CVE-2026-79515

> 4.3 MEDIUM · 🧪 PoC

## Beschreibung

An out-of-bounds read in the stbtt_GetGlyphShape component of nothings stb commit 31c1ad3 allows attackers to cause a Denial of Service (DoS) via sending a crafted TTF file.

## CVSS-Vektor

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

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

## Referenzen

- <https://github.com/nothings/stb/issues/1962>
- <https://github.com/user-attachments/files/31364325/poc_truetype.c>
- <https://github.com/user-attachments/files/31364326/gen_ttf.py>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-79515) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_