What is GHSA-c93g-vwm4-hch3?

GHSA-c93g-vwm4-hch3 is a security advisory published by GitHub Security Advisories with High severity. Out-of-bounds read in NTS extension field parsing in NTPsec ntpd 1.1.4 through 1.2.5 allows a...

Which CVE IDs does GHSA-c93g-vwm4-hch3 cover?

GHSA-c93g-vwm4-hch3 covers the following CVE IDs: CVE-2026-102486. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-c93g-vwm4-hch3?

GHSA-c93g-vwm4-hch3 has a CVSS v3 base score of 7.5, published by GitHub Security Advisories.

GHSA-c93g-vwm4-hch3HighCVSS 7.5

Out-of-bounds read in NTS extension field parsing in NTPsec ntpd 1.1.4 through 1.2.5 allows a...

Vendor

GitHub Security Advisories

Published

October 21, 2026

Last Modified

October 21, 2026

🔗 CVE IDs covered (1)

CVE-2026-102486 →

📋 Description

Out-of-bounds read in NTS extension field parsing in NTPsec ntpd 1.1.4 through 1.2.5 allows a remote attacker to crash the daemon via an NTS Authenticator and Encrypted Extension Fields (AEEF) field with an oversized nonce length.

🔗 References (5)

https://nvd.nist.gov/vuln/detail/CVE-2026-102486
https://gitlab.com/NTPsec/ntpsec/-/commit/7cc079387
https://gitlab.com/NTPsec/ntpsec/-/work_items/891
https://gitlab.com/NTPsec/ntpsec/-/work_items/895
https://github.com/advisories/GHSA-c93g-vwm4-hch3