Vulnerability · Published Jul 30, 2026 · Assigned by OpenVPN
CVE-2026-13379
Medium 5.1
In plain English
A medium-severity out-of-bounds read in OpenVPN from OpenVPN. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 27% of all known vulnerabilities).
Severity (CVSS 4.0)5.1Medium
Exploit odds (30 days)0.3%top 72.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
The Windows interactive service in OpenVPN 2.7_alpha1 through 2.7.4 allows remote attackers to cause persistent DNS state pollution or a service crash via a crafted search domain during the disconnection process
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu:22.04:LTS | openvpn | no fix listed | UBUNTU-CVE-2026-13379 |
| Ubuntu:24.04:LTS | openvpn | no fix listed | UBUNTU-CVE-2026-13379 |
| Ubuntu:26.04:LTS | openvpn | no fix listed | UBUNTU-CVE-2026-13379 |
Affected products (as reported)
Weakness: CWE-142, CWE-125 · Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:L/VI:N/VA:L/SC:H/SI:N/SA:H