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.
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00022.html
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00001.html
https://gitlab.freedesktop.org/slirp/libslirp/-/commit/9ac0371bb8c0a40f5d9f82a1c25129660e81df04
https://gitlab.freedesktop.org/slirp/libslirp/-/issues/20
https://lists.debian.org/debian-lts-announce/2020/06/msg00032.html
https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html
Source: MITRE
Published: 2020-04-22
Updated: 2020-07-26
Type: CWE-416
Base Score: 2.1
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P
Impact Score: 2.9
Exploitability Score: 3.9
Severity: LOW
Base Score: 6.5
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Impact Score: 4
Exploitability Score: 2
Severity: MEDIUM