| Name | CVE-2026-81738 |
| Description | OpenVPN 2.5.0 through 2.7.6 on Windows using the tap-windows6 driver allows attackers to trigger an out-of-bounds write via crafted DOMAIN-SEARCH entries |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, 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) | bookworm, bookworm (security) | 2.6.14-0+deb12u2 | fixed |
| trixie (security), trixie | 2.6.14-1+deb13u3 | fixed |
| forky, sid | 2.7.7-1 | 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> (Only affects OpenVPN on Windows)