---
cve: "CVE-2019-12387"
severity: "LOW"
cvss: 3.1
epss: "2.5%"
vendor: "n/a"
kev: false
exploited: false
published: "2019-06-10 12:29:00"
tags: [cve, security, low]
source: tsecurity.de CVE-Dossier
exported: "2026-09-10T07:46:46+02:00"
---

# CVE-2019-12387

> 3.1 LOW · 🧪 PoC

## Beschreibung

In Twisted before 19.2.1, twisted.web did not validate or sanitize URIs or HTTP methods, allowing an attacker to inject invalid characters such as CRLF.

## Patch verfügbar (OSV)

- c0776850e756adfcdc179a7fd9e4c8f5cbc4838d (Commit)
- 6c61fc4503ae39ab8ecee52d10f10ee2c371d7e2 (Commit)

## Referenzen

- <https://labs.twistedmatrix.com/2019/06/twisted-1921-released.html>
- <https://github.com/twisted/twisted/commit/6c61fc4503ae39ab8ecee52d10f10ee2c371d7e2>
- <https://twistedmatrix.com/pipermail/twisted-python/2019-June/032352.html>
- <http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00030.html>
- <http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00042.html>
- <https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2G5RPDQ4BNB336HL6WW5ZJ344MAWNN7N/>
- <https://usn.ubuntu.com/4308-2/>
- <https://usn.ubuntu.com/4308-1/>
- <https://www.oracle.com/security-alerts/cpuapr2020.html>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2019-12387) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_