ruby: Fix of 3 CVEs
- CVE-2026-42257: fix Net::IMAP command injection through CRLF in raw search, sort, thread and fetch arguments - CVE-2026-47241: reject RawData ending in a zero-length literal prefix - CVE-2026-47240: reject non-synchronizing literals in RawData
- Products
- ruby, ruby-default-gems, ruby-devel, ruby-doc, ruby-libs, rubygem-bigdecimal, rubygem-bundler, rubygem-io-console, rubygem-irb, rubygem-json, rubygem-minitest, rubygem-power_assert, rubygem-psych, rubygem-rake, rubygem-rbs, rubygem-rdoc, rubygem-rexml, rubygem-rss, rubygem-test-unit, rubygem-typeprof, rubygems, rubygems-devel
- Affected versions
- Not specified
- Fixed versions
- 0.15.2-160.el9_2.tuxcare.els21, 0.2.9-160.el9_2.tuxcare.els21, 0.5.7-160.el9_2.tuxcare.els21, 1.2.0-160.el9_2.tuxcare.els21, 1.3.5-160.el9_2.tuxcare.els21, 1.4.0-160.el9_2.tuxcare.els21, 13.0.3-160.el9_2.tuxcare.els21, 2.2.33-160.el9_2.tuxcare.els21, 2.5.1-160.el9_2.tuxcare.els21, 3.0.0-160.el9_2.tuxcare.els21, 3.0.4-160.el9_2.tuxcare.els21, 3.2.33-160.el9_2.tuxcare.els21, 3.3.2-160.el9_2.tuxcare.els21, 3.3.3-160.el9_2.tuxcare.els21, 3.3.7-160.el9_2.tuxcare.els21, 5.14.2-160.el9_2.tuxcare.els21, 6.3.3-160.el9_2.tuxcare.els21
- CVEs
- CVE-2026-42257, CVE-2026-47240, CVE-2026-47241
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 11:58 UTC · Revision 1
Source evidence
- CVE-2026-42257: fix Net::IMAP command injection through CRLF in raw search, sort, thread and fetch arguments - CVE-2026-47241: reject RawData ending in a zero-length literal prefix - CVE-2026-47240: reject non-synchronizing literals in RawData
osv:CLSA-2026-1791199760
ruby
Fixed versions: 3.0.4-160.el9_2.tuxcare.els21
ruby-default-gems
Fixed versions: 3.0.4-160.el9_2.tuxcare.els21
ruby-devel
Fixed versions: 3.0.4-160.el9_2.tuxcare.els21
ruby-doc
Fixed versions: 3.0.4-160.el9_2.tuxcare.els21
ruby-libs
Fixed versions: 3.0.4-160.el9_2.tuxcare.els21
rubygem-bigdecimal
Fixed versions: 3.0.0-160.el9_2.tuxcare.els21
rubygem-bundler
Fixed versions: 2.2.33-160.el9_2.tuxcare.els21
rubygem-io-console
Fixed versions: 0.5.7-160.el9_2.tuxcare.els21
rubygem-irb
Fixed versions: 1.3.5-160.el9_2.tuxcare.els21
rubygem-json
Fixed versions: 2.5.1-160.el9_2.tuxcare.els21
rubygem-minitest
Fixed versions: 5.14.2-160.el9_2.tuxcare.els21
rubygem-power_assert
Fixed versions: 1.2.0-160.el9_2.tuxcare.els21
rubygem-psych
Fixed versions: 3.3.2-160.el9_2.tuxcare.els21
rubygem-rake
Fixed versions: 13.0.3-160.el9_2.tuxcare.els21
rubygem-rbs
Fixed versions: 1.4.0-160.el9_2.tuxcare.els21
rubygem-rdoc
Fixed versions: 6.3.3-160.el9_2.tuxcare.els21
rubygem-rexml
Fixed versions: 3.3.3-160.el9_2.tuxcare.els21
rubygem-rss
Fixed versions: 0.2.9-160.el9_2.tuxcare.els21
rubygem-test-unit
Fixed versions: 3.3.7-160.el9_2.tuxcare.els21
rubygem-typeprof
Fixed versions: 0.15.2-160.el9_2.tuxcare.els21
rubygems
Fixed versions: 3.2.33-160.el9_2.tuxcare.els21
rubygems-devel
Fixed versions: 3.2.33-160.el9_2.tuxcare.els21
Complete source record
{
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"url": "https://osv.dev/vulnerability/CLSA-2026-1791199760",
"method": "structured",
"payload": {
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"title": "ruby: Fix of 3 CVEs",
"summary": "- CVE-2026-42257: fix Net::IMAP command injection through CRLF in raw search, sort, thread and fetch arguments - CVE-2026-47241: reject RawData ending in a zero-length literal prefix - CVE-2026-47240: reject non-synchronizing literals in RawData",
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"affected_versions": []
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{
"name": {
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"evidence": "/affected/11/package/name"
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"prerequisites": [],
"fixed_versions": [
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"evidence": "/affected/12/package/name"
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"evidence": "/affected/14/package/name"
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"evidence": "/affected/15/package/name"
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"evidence": "/affected/16/package/name"
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{
"name": {
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"evidence": "/affected/17/package/name"
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"prerequisites": [],
"fixed_versions": [
{
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"evidence": "/affected/17/ranges"
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"evidence": "/affected/18/package/name"
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"evidence": "/affected/19/package/name"
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"evidence": "/affected/21/package/name"
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"package": {
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{
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"purl": "pkg:rpm/tuxcare/rubygem-rdoc?distro=almalinux-9.2",
"ecosystem": "TuxCare:AlmaLinux:9.2"
},
"database_specific": {
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],
"package": {
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"purl": "pkg:rpm/tuxcare/rubygem-rexml?distro=almalinux-9.2",
"ecosystem": "TuxCare:AlmaLinux:9.2"
},
"database_specific": {
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{
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],
"package": {
"name": "rubygem-rss",
"purl": "pkg:rpm/tuxcare/rubygem-rss?distro=almalinux-9.2",
"ecosystem": "TuxCare:AlmaLinux:9.2"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1791199760.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.3.7-160.el9_2.tuxcare.els21"
}
]
}
],
"package": {
"name": "rubygem-test-unit",
"purl": "pkg:rpm/tuxcare/rubygem-test-unit?distro=almalinux-9.2",
"ecosystem": "TuxCare:AlmaLinux:9.2"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1791199760.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.15.2-160.el9_2.tuxcare.els21"
}
]
}
],
"package": {
"name": "rubygem-typeprof",
"purl": "pkg:rpm/tuxcare/rubygem-typeprof?distro=almalinux-9.2",
"ecosystem": "TuxCare:AlmaLinux:9.2"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1791199760.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.2.33-160.el9_2.tuxcare.els21"
}
]
}
],
"package": {
"name": "rubygems",
"purl": "pkg:rpm/tuxcare/rubygems?distro=almalinux-9.2",
"ecosystem": "TuxCare:AlmaLinux:9.2"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1791199760.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.2.33-160.el9_2.tuxcare.els21"
}
]
}
],
"package": {
"name": "rubygems-devel",
"purl": "pkg:rpm/tuxcare/rubygems-devel?distro=almalinux-9.2",
"ecosystem": "TuxCare:AlmaLinux:9.2"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1791199760.json"
}
}
],
"modified": "2026-10-26T09:43:57.816298339Z",
"provider": "osv",
"upstream": [
"CVE-2026-42257",
"CVE-2026-47240",
"CVE-2026-47241"
],
"references": [
"https://errata.tuxcare.com/els_os/almalinux9.2esu/CLSA-2026-1791199760.html",
"https://nvd.nist.gov/vuln/detail/CVE-2026-42257",
"https://nvd.nist.gov/vuln/detail/CVE-2026-47240",
"https://nvd.nist.gov/vuln/detail/CVE-2026-47241"
]
},
"related_cves": [
{
"value": "CVE-2026-42257",
"evidence": "/upstream"
},
{
"value": "CVE-2026-47240",
"evidence": "/upstream"
},
{
"value": "CVE-2026-47241",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 450264,
"published_at": "2026-10-07T11:17:59+00:00"
}