What is GHSA-389c-65cx-g77r?

GHSA-389c-65cx-g77r is a security advisory published by GitHub Security Advisories with Medium severity. The Okta RADIUS Agent does not validate the sub-attribute length when parsing a Vendor-Specific...

Which CVE IDs does GHSA-389c-65cx-g77r cover?

GHSA-389c-65cx-g77r covers the following CVE IDs: CVE-2026-78633. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-389c-65cx-g77r?

GHSA-389c-65cx-g77r has a CVSS v3 base score of 6.5, published by GitHub Security Advisories.

GHSA-389c-65cx-g77rMediumCVSS 6.5

The Okta RADIUS Agent does not validate the sub-attribute length when parsing a Vendor-Specific...

Vendor

GitHub Security Advisories

Published

October 13, 2026

Last Modified

October 13, 2026

🔗 CVE IDs covered (1)

CVE-2026-78633 →

📋 Description

The Okta RADIUS Agent does not validate the sub-attribute length when parsing a Vendor-Specific attribute. A sub-attribute length of zero causes the parser to loop indefinitely, resulting in worker-thread exhaustion and denial of new RADIUS authentication requests.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-78633
https://trust.okta.com/security-advisories/denial-of-service-in-okta-radius-agent-packet-parser-cve-2026-78633
https://github.com/advisories/GHSA-389c-65cx-g77r