An AddPortMapping Denial Of Service vulnerability in MiniUPnP MiniUPnPd through 2.1 exists due to a NULL pointer dereference in upnpredirect.c.
https://usn.ubuntu.com/4542-1/
https://github.com/miniupnp/miniupnp/commit/f321c2066b96d18afa5158dfa2d2873a2957ef38
https://www.vdoo.com/blog/security-issues-discovered-in-miniupnp
https://lists.debian.org/debian-lts-announce/2019/05/msg00045.html
Source: Mitre, NVD
Published: 2019-05-15
Updated: 2020-09-28
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P
Severity: Medium
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity: High
EPSS: 0.00603