CVE-2026-42258

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"defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:hummingbird:1"], "vendor": "Red Hat", "product": "Red Hat Hardened Images", "packageName": "ruby3.4", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:hummingbird:1"], "vendor": "Red Hat", "product": "Red Hat Hardened Images", "packageName": "ruby4.0", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift_ai"], "vendor": "Red Hat", "product": "Red Hat OpenShift AI (RHOAI)", "packageName": "rhoai/odh-workbench-codeserver-datascience-cpu-py312-rhel9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift:4"], "vendor": "Red Hat", "product": "Red Hat OpenShift Container Platform 4", "packageName": "rhcos", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "affected"}, {"cpes": ["cpe:/a:redhat:openshift_devspaces:3"], "vendor": "Red Hat", "product": "Red Hat OpenShift Dev Spaces", "packageName": "devspaces/code-rhel9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "defaultStatus": "unaffected"}]}], "published": "2026-05-09T20:16:28.623", "references": [{"url": "https://github.com/ruby/net-imap/releases/tag/v0.4.24", "tags": ["Release Notes"], "source": "security-advisories@github.com"}, {"url": "https://github.com/ruby/net-imap/releases/tag/v0.5.14", "tags": ["Release Notes"], "source": "security-advisories@github.com"}, {"url": "https://github.com/ruby/net-imap/releases/tag/v0.6.4", "tags": ["Release Notes"], "source": "security-advisories@github.com"}, {"url": "https://github.com/ruby/net-imap/security/advisories/GHSA-75xq-5h9v-w6px", "tags": ["Mitigation", "Vendor Advisory"], "source": "security-advisories@github.com"}, 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{"url": "https://access.redhat.com/errata/RHSA-2026:34076", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:35834", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:35866", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:35867", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:35895", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:36099", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:37238", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/errata/RHSA-2026:37397", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://access.redhat.com/security/cve/CVE-2026-42258", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2468498", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}, {"url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-42258.json", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-77"}, {"lang": "en", "value": "CWE-93"}]}, {"type": "Secondary", "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "description": [{"lang": "en", "value": "CWE-93"}]}], "descriptions": [{"lang": "en", "value": "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 IMAP commands. This issue has been patched in versions 0.4.24, 0.5.14, and 0.6.4."}], "lastModified": "2026-07-20T12:19:17.597", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:ruby-lang:net\\:\\:imap:*:*:*:*:*:ruby:*:*", "vulnerable": true, "matchCriteriaId": "05DB8FF3-7546-470A-BBB4-4DCAEAD83D6F", "versionEndExcluding": "0.4.24"}, {"criteria": "cpe:2.3:a:ruby-lang:net\\:\\:imap:*:*:*:*:*:ruby:*:*", "vulnerable": true, "matchCriteriaId": "2CCEB891-1D8F-4431-A79C-2A7560A84F4E", "versionEndExcluding": "0.5.14", "versionStartIncluding": "0.5.0"}, {"criteria": "cpe:2.3:a:ruby-lang:net\\:\\:imap:*:*:*:*:*:ruby:*:*", "vulnerable": true, "matchCriteriaId": "9A6D1995-BFA3-490F-967D-252CA7BE2264", "versionEndExcluding": "0.6.4", "versionStartIncluding": "0.6.0"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}