---
cve: "CVE-2026-48029"
severity: "HIGH"
cvss: 7.1
epss: "30%"
vendor: "strukturag"
kev: false
exploited: false
published: "2026-07-22 15:17:18"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-11T01:52:57+02:00"
---

# CVE-2026-48029

> 7.1 HIGH · 🧪 PoC

## Beschreibung

libheif is a HEIF and AVIF file format decoder and encoder. Versions 1.19.0 through 1.21.2 have a heap OOB read in ImageItem_Grid::decode_grid_tile via irot-induced tile-coordinate underflow. Version 1.22.0 fixes the issue.

## CVSS-Vektor

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

| 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 | Gering | warn |
| I Integrität | Keine | good |
| A Verfügbarkeit | Hoch | bad |

## Patch verfügbar (OSV)

- 0c81a846b7401dbdb7118afd0761057f21e43511 (Commit)
- e523ec0bf379110b7c33d4c159f8b1202d332157 (Commit)

## Referenzen

- <https://github.com/strukturag/libheif/security/advisories/GHSA-6x5f-qchq-cxqv>
- <https://github.com/strukturag/libheif/commit/e523ec0bf379110b7c33d4c159f8b1202d332157>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-48029) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_