CVE-2023-46850

critical

Description

Use after free in OpenVPN version 2.6.0 to 2.6.6 may lead to undefined behavoir, leaking memory buffers or remote execution when sending network buffers to a remote peer.

References

https://www.cisa.gov/news-events/ics-advisories/icsa-24-256-10

https://www.debian.org/security/2023/dsa-5555

https://openvpn.net/security-advisory/access-server-security-update-cve-2023-46849-cve-2023-46850/

https://lists.fedoraproject.org/archives/list/[email protected]/message/O54I7D753V6PU6XBU26FEROD2DSHEJQ4/

https://lists.fedoraproject.org/archives/list/[email protected]/message/L3FS46ANNTAVLIQY56ZKGM5CBTRVBUNE/

https://community.openvpn.net/openvpn/wiki/CVE-2023-46850

Details

Source: Mitre, NVD

Published: 2023-11-11

Updated: 2023-11-29

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H