CVE-2020-1983

PoC —

CVSS 3.1

6.5 medium

EPSS

2%p83

Published

Apr 22, 2020 (Apr 22, 2020)

Modified

Jun 17, 2026

Description

A use after free vulnerability in ip_reass() in ip_input.c of libslirp 4.2.0 and prior releases allows crafted packets to cause a denial of service.

Vendors: libslirp project fedoraproject debian opensuse canonical
Products: libslirp, fedora, debian linux, leap, ubuntu linux
Weakness: CWE-416
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (2.4%)

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