| Name | CVE-2018-9336 |
| Description | openvpnserv.exe (aka the interactive service helper) in OpenVPN 2.4.x before 2.4.6 allows a local attacker to cause a double-free of memory by sending a malformed request to the interactive service. This could cause a denial-of-service through memory corruption or possibly have unspecified other impact including privilege escalation. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| openvpn (PTS) | bullseye | 2.5.1-3 | fixed |
| bullseye (security) | 2.5.1-3+deb11u1 | fixed |
| bookworm, bookworm (security) | 2.6.3-1+deb12u2 | fixed |
| trixie | 2.6.13-1 | fixed |
| sid | 2.6.14-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| openvpn | source | (unstable) | (not affected) | | | |
Notes
- openvpn <not-affected> (Windows specific issue)
https://github.com/OpenVPN/openvpn/commit/1394192b210cb3c6624a7419bcf3ff966742e79b