Vulnerabilities CVE-2026-42245

CVE-2026-42245

Low

Open

TLP:CLEAR

net-imap: Quadratic complexity when reading response literals

NVD CVE.org

DDoS

AI Analysis

No AI analysis yet.

Description

Net::IMAP implements Internet Message Access Protocol (IMAP) client functionality in Ruby. Prior to versions 0.4.24, 0.5.14, and 0.6.4, Net::IMAP::ResponseReader has quadratic time complexity when reading large responses containing many string literals. A hostile server can send responses which are crafted to exhaust the client's CPU for a denial of service attack. This issue has been patched in versions 0.4.24, 0.5.14, and 0.6.4.

Details

CVSS Score: 2.3
EPSS Score ⓘ: 0.41%

34th percentile
CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Confidence: 90%
Published: May 9, 2026
Last Modified: May 9, 2026

Notes

No notes yet. Click "Add Note" to create the first analysis note.

Opinions

No opinions yet. Be the first to assess this intelligence.