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RHSA-2026:4900
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Source
https://access.redhat.com/errata/RHSA-2026:4900
Import Source
https://security.access.redhat.com/data/osv/RHSA-2026:4900.json
JSON Data
https://api.osv.dev/v1/vulns/RHSA-2026:4900
Upstream
CVE-2025-61662
Published
2026-03-18T11:20:28Z
Modified
2026-03-19T10:20:29Z
Severity
7.8 (High)
CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS Calculator
Summary
Red Hat Security Advisory: grub2 security update
Details
References
https://access.redhat.com/errata/RHSA-2026:4900
https://access.redhat.com/security/updates/classification/#moderate
https://bugzilla.redhat.com/show_bug.cgi?id=2414683
https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_4900.json
https://access.redhat.com/security/cve/CVE-2025-61662
https://www.cve.org/CVERecord?id=CVE-2025-61662
https://nvd.nist.gov/vuln/detail/CVE-2025-61662
https://lists.gnu.org/archive/html/grub-devel/2025-11/msg00155.html
Affected packages
Red Hat:rhel_e4s:9.2::baseos
grub2
Package
Name
grub2
Purl
pkg:rpm/redhat/grub2
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
1:2.06-61.el9_2.11
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:4900.json"
grub2-common
Package
Name
grub2-common
Purl
pkg:rpm/redhat/grub2-common
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
1:2.06-61.el9_2.11
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:4900.json"
grub2-efi-aa64
Package
Name
grub2-efi-aa64
Purl
pkg:rpm/redhat/grub2-efi-aa64
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
1:2.06-61.el9_2.11
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:4900.json"
grub2-efi-aa64-cdboot
Package
Name
grub2-efi-aa64-cdboot
Purl
pkg:rpm/redhat/grub2-efi-aa64-cdboot
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
1:2.06-61.el9_2.11
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:4900.json"
grub2-efi-aa64-modules
Package
Name
grub2-efi-aa64-modules
Purl
pkg:rpm/redhat/grub2-efi-aa64-modules
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
1:2.06-61.el9_2.11
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:4900.json"
grub2-efi-x64
Package
Name
grub2-efi-x64
Purl
pkg:rpm/redhat/grub2-efi-x64
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
1:2.06-61.el9_2.11
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:4900.json"
grub2-efi-x64-cdboot
Package
Name
grub2-efi-x64-cdboot
Purl
pkg:rpm/redhat/grub2-efi-x64-cdboot
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
1:2.06-61.el9_2.11
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:4900.json"
grub2-efi-x64-modules
Package
Name
grub2-efi-x64-modules
Purl
pkg:rpm/redhat/grub2-efi-x64-modules
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
1:2.06-61.el9_2.11
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:4900.json"
grub2-pc
Package
Name
grub2-pc
Purl
pkg:rpm/redhat/grub2-pc
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
1:2.06-61.el9_2.11
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:4900.json"
grub2-pc-modules
Package
Name
grub2-pc-modules
Purl
pkg:rpm/redhat/grub2-pc-modules
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
1:2.06-61.el9_2.11
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:4900.json"
grub2-ppc64le
Package
Name
grub2-ppc64le
Purl
pkg:rpm/redhat/grub2-ppc64le
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
1:2.06-61.el9_2.11
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:4900.json"
grub2-ppc64le-modules
Package
Name
grub2-ppc64le-modules
Purl
pkg:rpm/redhat/grub2-ppc64le-modules
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
1:2.06-61.el9_2.11
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:4900.json"
grub2-tools
Package
Name
grub2-tools
Purl
pkg:rpm/redhat/grub2-tools
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
1:2.06-61.el9_2.11
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:4900.json"
grub2-tools-efi
Package
Name
grub2-tools-efi
Purl
pkg:rpm/redhat/grub2-tools-efi
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
1:2.06-61.el9_2.11
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:4900.json"
grub2-tools-extra
Package
Name
grub2-tools-extra
Purl
pkg:rpm/redhat/grub2-tools-extra
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
1:2.06-61.el9_2.11
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:4900.json"
grub2-tools-minimal
Package
Name
grub2-tools-minimal
Purl
pkg:rpm/redhat/grub2-tools-minimal
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
1:2.06-61.el9_2.11
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:4900.json"
RHSA-2026:4900 - OSV