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Case File

CVE-2008-3443

MEDIUM · CVSS 5 EPSS 15.68% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2008-08-14 · Last synced 2026-08-04

Field Assessment

AI analysis pending.

Exhibit — Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

External Security References

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2008-3443
Severity
MEDIUM
CVSS
5
EPSS
15.68%

Original Filing — NVD Description

The regular expression engine (regex.c) in Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 allows remote attackers to cause a denial of service (infinite loop and crash) via multiple long requests to a Ruby socket, related to memory allocation failure, and as demonstrated against Webrick.