CVE-2026-42246
1 advisory.
RubyGems/net-imap CVE-2026-42246: high, EPSS 0.31%
net-imap vulnerable to STARTTLS stripping via invalid response timing
Action: Upgrade net-imap to 0.3.10 or later.
bundle update net-imapAffected
| introduced | fixed | last affected |
|---|---|---|
| 0.6.0 | 0.6.4 | - |
| 0.5.0 | 0.5.14 | - |
| 0.4.0 | 0.4.24 | - |
| 0 | 0.3.10 | - |
Fixed versions
| 0.6.4 | 0.5.14 | 0.4.24 | 0.3.10 |
Sources
- osv: GHSA-vcgp-9326-pqcp
- https://github.com/ruby/net-imap/security/advisories/GHSA-vcgp-9326-pqcp
- https://nvd.nist.gov/vuln/detail/CVE-2026-42246
- https://github.com/ruby/net-imap/commit/0ede4c40b1523dfeaf95777b2678e54cc0fd9618
- https://github.com/ruby/net-imap/commit/24a4e770b43230286a05aa2a9746cdbb3eb8485e
- https://github.com/ruby/net-imap/commit/97e2488fb5401a1783bddd959dde007d9fbce42c
- https://github.com/ruby/net-imap/commit/f79d35bf5833f186e81044c57c843eda30c873da
- https://github.com/ruby/net-imap
- https://github.com/ruby/net-imap/releases/tag/v0.3.10
- https://github.com/ruby/net-imap/releases/tag/v0.4.24
- https://github.com/ruby/net-imap/releases/tag/v0.5.14
- https://github.com/ruby/net-imap/releases/tag/v0.6.4
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/net-imap/CVE-2026-42246.yml
- https://nostarttls.secvuln.info
- https://www.rfc-editor.org/info/rfc8314
CVE-2026-42246 · published · modified · JSON