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Advisory record · GHSA-c6qg-cjj8-47qp

Possible Denial of Service Vulnerability in Rack's header parsing

CVSS 5.3 MediumEPSS 0.011 · 64th percentile

Published by the GitHub Advisory Database at 15 Mar 2023, 21:36 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
rackRubyGems>=2.0.0, <2.2.6.4 || >=3.0.0, <3.0.6.12.2.6.4, 3.0.6.1
Identifiers
GHSA-c6qg-cjj8-47qp · CVE-2023-27539
Published
15 Mar 2023
Updated
9 Jan 2025

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
5.3 Medium 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N ADP (CISA-ADP)
  • CISA KEV Not listed.
  • EPSS 0.011, the 64th percentile, on 7 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the GitHub Advisory Database, published 15 Mar 2023. New records show when each source confirmed them.

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.