---
cve: "CVE-2022-39280"
severity: "MEDIUM"
cvss: 5.9
epss: "1.1%"
vendor: "pyupio"
kev: false
exploited: false
published: "2022-10-06 18:16:18"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-13T04:16:50+02:00"
---

# CVE-2022-39280

> 5.9 MEDIUM · 🧪 PoC

## Beschreibung

dparse is a parser for Python dependency files. dparse in versions before 0.5.2 contain a regular expression that is vulnerable to a Regular Expression Denial of Service. All the users parsing index server URLs with dparse are impacted by this vulnerability. A patch has been applied in version `0.5.2`, all the users are advised to upgrade to `0.5.2` as soon as possible. Users unable to upgrade should avoid passing index server URLs in the source file to be parsed.

## CVSS-Vektor

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

| 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 | Keine | good |
| A Verfügbarkeit | Hoch | bad |

## Patch verfügbar (OSV)

- a3d9beb0f97331bdc0cb83ec628131e89b8c68d2 (Commit)
- 8c990170bbd6c0cf212f1151e9025486556062d5 (Commit)

## Referenzen

- <https://owasp.org/www-community/attacks/Regular_expression_Denial_of_Service_-_ReDoS>
- <https://github.com/pyupio/dparse/security/advisories/GHSA-8fg9-p83m-x5pq>
- <https://github.com/pyupio/dparse/commit/8c990170bbd6c0cf212f1151e9025486556062d5>
- <https://github.com/pyupio/dparse/commit/d87364f9db9ab916451b1b036cfeb039e726e614>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2022-39280) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_