HIGHRubyGems →
net-imap vulnerable to STARTTLS stripping via invalid response timing
net-imap vulnerable to STARTTLS stripping via invalid response timing
Affected packages
- net-imap— 0.6.0 → 0.6.4
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- —
- EPSS percentile
- —
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.
Sources
- 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
Structured record: https://osv.dev/vulnerability/GHSA-vcgp-9326-pqcp
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