---
cve: "CVE-2025-0725"
severity: "HIGH"
cvss: 7.3
epss: "1.2%"
vendor: "curl"
kev: false
exploited: false
published: "2025-02-05 09:18:20"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-18T00:32:19+02:00"
---

# CVE-2025-0725

> 7.3 HIGH

## Beschreibung

When libcurl is asked to perform automatic gzip decompression of
content-encoded HTTP responses with the `CURLOPT_ACCEPT_ENCODING` option,
**using zlib 1.2.0.3 or older**, an attacker-controlled integer overflow would
make libcurl perform a buffer overflow.

## CVSS-Vektor

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

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

## Patch verfügbar (OSV)

- 34cf9d54a46598c44938aa7598820484d7af7133 (Commit)
- 76f83f0db23846e254d940ec7 (Commit)

## Referenzen

- <https://curl.se/docs/CVE-2025-0725.json>
- <https://curl.se/docs/CVE-2025-0725.html>
- <https://hackerone.com/reports/2956023>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2025-0725) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_