---
cve: "CVE-2018-25032"
severity: "HIGH"
cvss: 7.5
epss: "51.7%"
vendor: "n/a"
kev: false
exploited: false
published: "2022-03-25 09:15:08"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-10T07:10:48+02:00"
---

# CVE-2018-25032

> 7.5 HIGH · 🧪 PoC

## Beschreibung

zlib before 1.2.12 allows memory corruption when deflating (i.e., when compressing) if the input has many distant matches.

## CVSS-Vektor

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

## Patch verfügbar (OSV)

- 21767c654d31d2dccdde4330529775c6c5fd5389 (Commit)
- 5c44459c3b28a9bd3283aaceab7c615f8020c531 (Commit)

## Referenzen

- <https://www.openwall.com/lists/oss-security/2022/03/24/1>
- <https://github.com/madler/zlib/commit/5c44459c3b28a9bd3283aaceab7c615f8020c531>
- <http://www.openwall.com/lists/oss-security/2022/03/25/2>
- <http://www.openwall.com/lists/oss-security/2022/03/26/1>
- <https://www.debian.org/security/2022/dsa-5111>
- <https://lists.debian.org/debian-lts-announce/2022/04/msg00000.html>
- <https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NS2D2GFPFGOJUL4WQ3DUAY7HF4VWQ77F/>
- <https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XOKFMSNQ5D5WGMALBNBXU3GE442V74WU/>
- <https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VOKNP2L734AEL47NRYGVZIKEFOUBQY5Y/>
- <https://lists.debian.org/debian-lts-announce/2022/05/msg00008.html>
- <http://seclists.org/fulldisclosure/2022/May/33>
- <http://seclists.org/fulldisclosure/2022/May/35>
- <http://seclists.org/fulldisclosure/2022/May/38>
- <https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DF62MVMH3QUGMBDCB3DY2ERQ6EBHTADB/>
- <https://www.oracle.com/security-alerts/cpujul2022.html>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2018-25032) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_