CVE-2026-42257
net-imap vulnerable to command Injection via "raw" arguments to multiple commands
9.8
CRITICAL
CVSS 3.1
EPSS 0.43%
描述
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, several Net::IMAP commands accept a raw string argument that is sent to the server without validation or escaping. If this string is derived from user-controlled input, it may contain contain CRLF sequences, which an attacker can use to inject arbitrary IMAP commands. This issue has been patched in versions 0.4.24, 0.5.14, and 0.6.4.
如何修補 CVE-2026-42257
要修補 CVE-2026-42257,請將受影響套件升級到下列已修補版本。
- —未列出修補版本
- —未列出修補版本
- —未列出修補版本
- —升級至 0.6.4 或更新版本
CVE-2026-42257 正在被利用嗎?
低 — EPSS 為 0.4%,目前沒有觀察到大規模利用活動。
受影響套件(4)
- from 0
- from 0
- from 0
- >= 0.6.0, < 0.6.4
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |