Fixed packages 6
| Release | Package | Fixed in |
|---|---|---|
| Red Hat · Hardened Images 1 hummingbird:1 | ruby4.0 | 0:4.0.5-35.hum1 |
| Red Hat · Hardened Images 1 hummingbird:1 | ruby4.0-bundled-gems | 0:4.0.5-35.hum1 |
| Red Hat · Hardened Images 1 hummingbird:1 | ruby4.0-default-gems | 0:4.0.5-35.hum1 |
| Red Hat · Hardened Images 1 hummingbird:1 | ruby4.0-devel | 0:4.0.5-35.hum1 |
| Red Hat · Hardened Images 1 hummingbird:1 | ruby4.0-doc | 0:4.0.5-35.hum1 |
| Red Hat · Hardened Images 1 hummingbird:1 | ruby4.0-libs | 0:4.0.5-35.hum1 |
Vulnerabilities 2
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Medium 5.8
net-imap: Command Injection via "raw" arguments to multiple commands
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 …
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Medium 5.8
net-imap: Command Injection via unvalidated Symbol inputs
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, symbol arguments to commands are vulnerable to a CRLF Injection / IMAP Command injection via Symbol arguments passed to IMA…
References
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article
https://images.redhat.com/
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report
https://access.redhat.com/security/cve/CVE-2026-42257
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article
https://access.redhat.com/security/updates/classification/
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report
https://access.redhat.com/security/cve/CVE-2026-42258
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advisory
https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_36978.json
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2468494
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advisory
https://www.cve.org/CVERecord?id=CVE-2026-42257
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advisory
https://nvd.nist.gov/vuln/detail/CVE-2026-42257
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article
https://github.com/ruby/net-imap/releases/tag/v0.4.24
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article
https://github.com/ruby/net-imap/releases/tag/v0.5.14
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article
https://github.com/ruby/net-imap/releases/tag/v0.6.4
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article
https://github.com/ruby/net-imap/security/advisories/GHSA-hm49-wcqc-g2xg
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2468498
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advisory
https://www.cve.org/CVERecord?id=CVE-2026-42258
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advisory
https://nvd.nist.gov/vuln/detail/CVE-2026-42258
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article
https://github.com/ruby/net-imap/security/advisories/GHSA-75xq-5h9v-w6px