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RHSA-2026:33540
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Source
https://access.redhat.com/errata/RHSA-2026:33540
Import Source
https://security.access.redhat.com/data/osv/RHSA-2026:33540.json
JSON Data
https://api.osv.dev/v1/vulns/RHSA-2026:33540
Upstream
CVE-2026-42245
CVE-2026-42246
CVE-2026-42258
Published
2026-07-01T10:19:41Z
Modified
2026-07-10T10:09:25Z
Severity
7.4 (High)
CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS Calculator
Summary
Red Hat Security Advisory: ruby4.0 security update
Details
References
https://access.redhat.com/errata/RHSA-2026:33540
https://access.redhat.com/security/updates/classification/#important
https://bugzilla.redhat.com/show_bug.cgi?id=2468495
https://bugzilla.redhat.com/show_bug.cgi?id=2468498
https://bugzilla.redhat.com/show_bug.cgi?id=2468499
https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_33540.json
https://access.redhat.com/security/cve/CVE-2026-42245
https://www.cve.org/CVERecord?id=CVE-2026-42245
https://nvd.nist.gov/vuln/detail/CVE-2026-42245
https://github.com/ruby/net-imap/commit/6091f7d6b1f3514cafbfe39c76f2b5d73de3ca96
https://github.com/ruby/net-imap/commit/88d95231fc8afef11c1f074453f7d75b68c9dfda
https://github.com/ruby/net-imap/commit/de685f91a4a4cc75eb80da898c2bf8af08d34819
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/ruby/net-imap/security/advisories/GHSA-q2mw-fvj9-vvcw
https://access.redhat.com/security/cve/CVE-2026-42246
https://www.cve.org/CVERecord?id=CVE-2026-42246
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/releases/tag/v0.3.10
https://github.com/ruby/net-imap/security/advisories/GHSA-vcgp-9326-pqcp
https://access.redhat.com/security/cve/CVE-2026-42258
https://www.cve.org/CVERecord?id=CVE-2026-42258
https://nvd.nist.gov/vuln/detail/CVE-2026-42258
https://github.com/ruby/net-imap/security/advisories/GHSA-75xq-5h9v-w6px
Affected packages
Red Hat:enterprise_linux:10.2
ruby4.0
Package
Name
ruby4.0
Purl
pkg:rpm/redhat/ruby4.0
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
0:4.0.3-35.el10_2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:33540.json"
ruby4.0-debuginfo
Package
Name
ruby4.0-debuginfo
Purl
pkg:rpm/redhat/ruby4.0-debuginfo
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
0:4.0.3-35.el10_2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:33540.json"
ruby4.0-debugsource
Package
Name
ruby4.0-debugsource
Purl
pkg:rpm/redhat/ruby4.0-debugsource
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
0:4.0.3-35.el10_2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:33540.json"
ruby4.0-devel
Package
Name
ruby4.0-devel
Purl
pkg:rpm/redhat/ruby4.0-devel
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
0:4.0.3-35.el10_2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:33540.json"
ruby4.0-rubygem-mysql2
Package
Name
ruby4.0-rubygem-mysql2
Purl
pkg:rpm/redhat/ruby4.0-rubygem-mysql2
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
0:0.5.7-35.el10_2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:33540.json"
ruby4.0-rubygem-mysql2-debuginfo
Package
Name
ruby4.0-rubygem-mysql2-debuginfo
Purl
pkg:rpm/redhat/ruby4.0-rubygem-mysql2-debuginfo
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
0:0.5.7-35.el10_2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:33540.json"
ruby4.0-rubygem-pg
Package
Name
ruby4.0-rubygem-pg
Purl
pkg:rpm/redhat/ruby4.0-rubygem-pg
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
0:1.6.3-35.el10_2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:33540.json"
ruby4.0-rubygem-pg-debuginfo
Package
Name
ruby4.0-rubygem-pg-debuginfo
Purl
pkg:rpm/redhat/ruby4.0-rubygem-pg-debuginfo
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
0:1.6.3-35.el10_2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:33540.json"
ruby4.0-doc
Package
Name
ruby4.0-doc
Purl
pkg:rpm/redhat/ruby4.0-doc
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
0:4.0.3-35.el10_2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:33540.json"
RHSA-2026:33540 - OSV