What is CVE-2026-38819?

CVE-2026-38819 is a medium-severity vulnerability in Opennds, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 5.3/10. Published 2026-08-28.

How severe is CVE-2026-38819?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Opennds

CVE-2026-38819

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.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Opennds

Weakness classification (CWE)

CWE-401 — Missing Release of Memory after Effective Lifetime

References

cve@mitre.org
cve@mitre.org

Frequently asked questions

What is CVE-2026-38819?: CVE-2026-38819 is a medium-severity vulnerability in Opennds, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 5.3/10. Published 2026-08-28.
How severe is CVE-2026-38819?: Medium severity. CVSS v3 base score is 5.3 out of 10.