What is GHSA-f83r-q8f4-f336?

GHSA-f83r-q8f4-f336 is a security advisory published by GitHub Security Advisories with Low severity. An attacker sending a large number of crafted DNS queries might be able to trigger a dynamic...

Which CVE IDs does GHSA-f83r-q8f4-f336 cover?

GHSA-f83r-q8f4-f336 covers the following CVE IDs: CVE-2026-40011. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-f83r-q8f4-f336?

GHSA-f83r-q8f4-f336 has a CVSS v3 base score of 3.7, published by GitHub Security Advisories.

GHSA-f83r-q8f4-f336LowCVSS 3.7

An attacker sending a large number of crafted DNS queries might be able to trigger a dynamic...

Vendor

GitHub Security Advisories

Published

June 25, 2026

Last Modified

June 25, 2026

🔗 CVE IDs covered (1)

CVE-2026-40011 →

📋 Description

An attacker sending a large number of crafted DNS queries might be able to trigger a dynamic block being inserted with a value causing invalid output to be produced in the prometheus endpoint. The prometheus endpoint will then be rejected by the scraper until the dynamic block expires.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-40011
https://www.dnsdist.org/security-advisories/powerdns-advisory-for-dnsdist-2026-09.html
https://github.com/advisories/GHSA-f83r-q8f4-f336