Vulnerability · Published Aug 28, 2026 · Assigned by mitre
CVE-2026-38819
Medium 5.3
In plain English
A medium-severity memory leak in openNDS from openNDS. 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 17% of all known vulnerabilities).
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.3%top 82.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Multiple memory leaks in openNDS before 11.0.0 allow an unauthenticated attacker on the captive portal network to exhaust all available memory on the device within minutes.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | opennds | no fix listed | DEBIAN-CVE-2026-38819 |
| Debian:13 | opennds | no fix listed | DEBIAN-CVE-2026-38819 |
| Ubuntu:26.04:LTS | opennds | no fix listed | UBUNTU-CVE-2026-38819 |
| Ubuntu:26.10 | opennds | no fix listed | UBUNTU-CVE-2026-38819 |
Affected products (as reported)
Weakness: CWE-401 · Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H