---
cve: "CVE-2018-13785"
severity: "MEDIUM"
cvss: 6.5
epss: "4.5%"
vendor: "n/a"
kev: false
exploited: false
published: "2018-07-09 13:29:00"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-07T17:32:52+02:00"
---

# CVE-2018-13785

> 6.5 MEDIUM · 🧪 PoC

## Beschreibung

In libpng 1.6.34, a wrong calculation of row_factor in the png_check_chunk_length function (pngrutil.c) may trigger an integer overflow and resultant divide-by-zero while processing a crafted PNG file, leading to a denial of service.

## CVSS-Vektor

```
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/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 | Keine | good |
| I Integrität | Keine | good |
| A Verfügbarkeit | Hoch | bad |

## Patch verfügbar (OSV)

- 8a05766cb74af05c04c53e6c9d60c13fc4d59bf2 (Commit)

## Referenzen

- <https://access.redhat.com/errata/RHSA-2018:3007>
- <https://security.netapp.com/advisory/ntap-20181018-0001/>
- <https://access.redhat.com/errata/RHSA-2018:3779>
- <https://access.redhat.com/errata/RHSA-2018:3534>
- <https://access.redhat.com/errata/RHSA-2018:3003>
- <https://usn.ubuntu.com/3712-1/>
- <https://access.redhat.com/errata/RHSA-2018:3002>
- <https://sourceforge.net/p/libpng/bugs/278/>
- <https://access.redhat.com/errata/RHSA-2018:3671>
- <https://access.redhat.com/errata/RHSA-2018:3852>
- <https://access.redhat.com/errata/RHSA-2018:3008>
- <http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html>
- <https://access.redhat.com/errata/RHSA-2018:3533>
- <https://access.redhat.com/errata/RHSA-2018:3001>
- <https://access.redhat.com/errata/RHSA-2018:3000>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2018-13785) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_