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:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Packages
| Software | From version | Fixed in |
|---|---|---|
| net-imap | โ | 0.4.24 |
| net\ | 0.6.0 | 0.6.4 |
| unknown | โ | โ |
References
Similar Threats
- Unknown CVE-2026-47240
- Low CVE-2026-47241
- Unknown CVE-2026-47242
- High CVE-2026-42246
- Medium CVE-2026-42256
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