kbrain

CVE-2012-6109

MEDIUM · CVSS 4.3EPSS 2.7%EU EUVD

lib/rack/multipart.rb in Rack before 1.1.4, 1.2.x before 1.2.6, 1.3.x before 1.3.7, and 1.4.x before 1.4.2 uses an incorrect regular expression, which allows remote attackers to cause a denial of service (infinite loop) via a crafted Content-Disposion header.

Key facts

CVSS score
4.3 (v2.0)
Severity
MEDIUM
CVSS vector
AV:N/AC:M/Au:N/C:N/I:N/A:P
EPSS score
2.7% (86th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2017-0248)
Published
March 1, 2013
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2017-0248 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

  • rack project / rack
  • rack project / rack
  • rack project / rack
  • rack project / rack
  • rack project / rack
  • rack project / rack
  • rack project / rack
  • rack project / rack
  • rack project / rack
  • rack project / rack
  • rack project / rack
  • rack project / rack
  • rack project / rack
  • rack project / rack
  • rack project / rack
  • rack project / rack
  • rack project / rack
  • rack project / rack
  • rack project / rack
  • rack project / rack
  • rack project / rack
  • rack project / rack
  • rack project / rack
  • rack project / rack
  • rack project / rack

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

Query CVEs from your AI assistant

The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.

Add the CVE brain