HighFix available
Red Hat Security Advisory: grub2 security update
Type: advisorySources: OSV
- Products
- grub2, grub2-common, grub2-debuginfo, grub2-debugsource, grub2-efi-aa64-modules, grub2-efi-ia32, grub2-efi-ia32-cdboot, grub2-efi-ia32-modules, grub2-efi-x64, grub2-efi-x64-cdboot, grub2-efi-x64-modules, grub2-pc, grub2-pc-modules, grub2-ppc64le-modules, grub2-tools, grub2-tools-debuginfo, grub2-tools-efi, grub2-tools-efi-debuginfo, grub2-tools-extra, grub2-tools-extra-debuginfo, grub2-tools-minimal, grub2-tools-minimal-debuginfo
- Affected versions
- Not specified
- Fixed versions
- 1:2.02-99.el8_4.13
- CVEs
- CVE-2025-61662
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 00:14 UTC · Revision 1
Source evidence
Red Hat Security Advisory: grub2 security update
core-osv · Original sourcePublished 18 Mar 2026, 11:20 UTC
Red Hat Security Advisory: grub2 security update
osv:RHSA-2026:4830
grub2
Fixed versions: 1:2.02-99.el8_4.13
grub2-common
Fixed versions: 1:2.02-99.el8_4.13
grub2-debuginfo
Fixed versions: 1:2.02-99.el8_4.13
grub2-debugsource
Fixed versions: 1:2.02-99.el8_4.13
grub2-efi-aa64-modules
Fixed versions: 1:2.02-99.el8_4.13
grub2-efi-ia32
Fixed versions: 1:2.02-99.el8_4.13
grub2-efi-ia32-cdboot
Fixed versions: 1:2.02-99.el8_4.13
grub2-efi-ia32-modules
Fixed versions: 1:2.02-99.el8_4.13
grub2-efi-x64
Fixed versions: 1:2.02-99.el8_4.13
grub2-efi-x64-cdboot
Fixed versions: 1:2.02-99.el8_4.13
grub2-efi-x64-modules
Fixed versions: 1:2.02-99.el8_4.13
grub2-pc
Fixed versions: 1:2.02-99.el8_4.13
grub2-pc-modules
Fixed versions: 1:2.02-99.el8_4.13
grub2-ppc64le-modules
Fixed versions: 1:2.02-99.el8_4.13
grub2-tools
Fixed versions: 1:2.02-99.el8_4.13
grub2-tools-debuginfo
Fixed versions: 1:2.02-99.el8_4.13
grub2-tools-efi
Fixed versions: 1:2.02-99.el8_4.13
grub2-tools-efi-debuginfo
Fixed versions: 1:2.02-99.el8_4.13
grub2-tools-extra
Fixed versions: 1:2.02-99.el8_4.13
grub2-tools-extra-debuginfo
Fixed versions: 1:2.02-99.el8_4.13
grub2-tools-minimal
Fixed versions: 1:2.02-99.el8_4.13
grub2-tools-minimal-debuginfo
Fixed versions: 1:2.02-99.el8_4.13
grub2
Fixed versions: 1:2.02-99.el8_4.13
grub2-common
Fixed versions: 1:2.02-99.el8_4.13
grub2-debuginfo
Fixed versions: 1:2.02-99.el8_4.13
grub2-debugsource
Fixed versions: 1:2.02-99.el8_4.13
grub2-efi-aa64-modules
Fixed versions: 1:2.02-99.el8_4.13
grub2-efi-ia32
Fixed versions: 1:2.02-99.el8_4.13
grub2-efi-ia32-cdboot
Fixed versions: 1:2.02-99.el8_4.13
grub2-efi-ia32-modules
Fixed versions: 1:2.02-99.el8_4.13
grub2-efi-x64
Fixed versions: 1:2.02-99.el8_4.13
grub2-efi-x64-cdboot
Fixed versions: 1:2.02-99.el8_4.13
grub2-efi-x64-modules
Fixed versions: 1:2.02-99.el8_4.13
grub2-pc
Fixed versions: 1:2.02-99.el8_4.13
grub2-pc-modules
Fixed versions: 1:2.02-99.el8_4.13
grub2-ppc64le-modules
Fixed versions: 1:2.02-99.el8_4.13
grub2-tools
Fixed versions: 1:2.02-99.el8_4.13
grub2-tools-debuginfo
Fixed versions: 1:2.02-99.el8_4.13
grub2-tools-efi
Fixed versions: 1:2.02-99.el8_4.13
grub2-tools-efi-debuginfo
Fixed versions: 1:2.02-99.el8_4.13
grub2-tools-extra
Fixed versions: 1:2.02-99.el8_4.13
grub2-tools-extra-debuginfo
Fixed versions: 1:2.02-99.el8_4.13
grub2-tools-minimal
Fixed versions: 1:2.02-99.el8_4.13
grub2-tools-minimal-debuginfo
Fixed versions: 1:2.02-99.el8_4.13
Complete source record
{
"id": "ff71f3ce13e081eb687316a06beb25c25c7f891f79103d1821f648d3dc5100b0",
"url": "https://osv.dev/vulnerability/RHSA-2026%3A4830",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Red Hat Security Advisory: grub2 security update",
"summary": "Red Hat Security Advisory: grub2 security update",
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"affected_versions": []
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{
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"evidence": "/affected/5/package/name"
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"prerequisites": [],
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{
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],
"affected_versions": []
},
{
"name": {
"value": "grub2-efi-x64",
"evidence": "/affected/8/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:2.02-99.el8_4.13",
"evidence": "/affected/8/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "grub2-efi-x64-cdboot",
"evidence": "/affected/9/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
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"evidence": "/affected/9/ranges"
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],
"affected_versions": []
},
{
"name": {
"value": "grub2-efi-x64-modules",
"evidence": "/affected/10/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
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"evidence": "/affected/10/ranges"
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],
"affected_versions": []
},
{
"name": {
"value": "grub2-pc",
"evidence": "/affected/11/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:2.02-99.el8_4.13",
"evidence": "/affected/11/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "grub2-pc-modules",
"evidence": "/affected/12/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:2.02-99.el8_4.13",
"evidence": "/affected/12/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "grub2-ppc64le-modules",
"evidence": "/affected/13/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:2.02-99.el8_4.13",
"evidence": "/affected/13/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "grub2-tools",
"evidence": "/affected/14/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
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"evidence": "/affected/14/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "grub2-tools-debuginfo",
"evidence": "/affected/15/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
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"affected_versions": []
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{
"name": {
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"evidence": "/affected/16/package/name"
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"affected_versions": []
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{
"name": {
"value": "grub2-tools-efi-debuginfo",
"evidence": "/affected/17/package/name"
},
"prerequisites": [],
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{
"value": "1:2.02-99.el8_4.13",
"evidence": "/affected/17/ranges"
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],
"affected_versions": []
},
{
"name": {
"value": "grub2-tools-extra",
"evidence": "/affected/18/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:2.02-99.el8_4.13",
"evidence": "/affected/18/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "grub2-tools-extra-debuginfo",
"evidence": "/affected/19/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:2.02-99.el8_4.13",
"evidence": "/affected/19/ranges"
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],
"affected_versions": []
},
{
"name": {
"value": "grub2-tools-minimal",
"evidence": "/affected/20/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
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{
"name": {
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"evidence": "/affected/21/package/name"
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{
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],
"affected_versions": []
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{
"name": {
"value": "grub2",
"evidence": "/affected/22/package/name"
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"prerequisites": [],
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"evidence": "/affected/22/ranges"
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{
"name": {
"value": "grub2-common",
"evidence": "/affected/23/package/name"
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{
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"evidence": "/affected/23/ranges"
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{
"name": {
"value": "grub2-debuginfo",
"evidence": "/affected/24/package/name"
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{
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"evidence": "/affected/24/ranges"
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"affected_versions": []
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{
"name": {
"value": "grub2-debugsource",
"evidence": "/affected/25/package/name"
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"prerequisites": [],
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{
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"evidence": "/affected/25/ranges"
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],
"affected_versions": []
},
{
"name": {
"value": "grub2-efi-aa64-modules",
"evidence": "/affected/26/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
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"evidence": "/affected/26/ranges"
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],
"affected_versions": []
},
{
"name": {
"value": "grub2-efi-ia32",
"evidence": "/affected/27/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
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"evidence": "/affected/27/ranges"
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],
"affected_versions": []
},
{
"name": {
"value": "grub2-efi-ia32-cdboot",
"evidence": "/affected/28/package/name"
},
"prerequisites": [],
"fixed_versions": [
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"evidence": "/affected/28/ranges"
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],
"affected_versions": []
},
{
"name": {
"value": "grub2-efi-ia32-modules",
"evidence": "/affected/29/package/name"
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"affected_versions": []
},
{
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{
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{
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"evidence": "/affected/32/ranges"
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],
"affected_versions": []
},
{
"name": {
"value": "grub2-pc",
"evidence": "/affected/33/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
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"evidence": "/affected/33/ranges"
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"affected_versions": []
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{
"name": {
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{
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"evidence": "/affected/35/package/name"
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{
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"evidence": "/affected/35/ranges"
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],
"affected_versions": []
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{
"name": {
"value": "grub2-tools",
"evidence": "/affected/36/package/name"
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"prerequisites": [],
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{
"value": "1:2.02-99.el8_4.13",
"evidence": "/affected/36/ranges"
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],
"affected_versions": []
},
{
"name": {
"value": "grub2-tools-debuginfo",
"evidence": "/affected/37/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:2.02-99.el8_4.13",
"evidence": "/affected/37/ranges"
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],
"affected_versions": []
},
{
"name": {
"value": "grub2-tools-efi",
"evidence": "/affected/38/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
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"evidence": "/affected/38/ranges"
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],
"affected_versions": []
},
{
"name": {
"value": "grub2-tools-efi-debuginfo",
"evidence": "/affected/39/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:2.02-99.el8_4.13",
"evidence": "/affected/39/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "grub2-tools-extra",
"evidence": "/affected/40/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:2.02-99.el8_4.13",
"evidence": "/affected/40/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "grub2-tools-extra-debuginfo",
"evidence": "/affected/41/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:2.02-99.el8_4.13",
"evidence": "/affected/41/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "grub2-tools-minimal",
"evidence": "/affected/42/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:2.02-99.el8_4.13",
"evidence": "/affected/42/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "grub2-tools-minimal-debuginfo",
"evidence": "/affected/43/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1:2.02-99.el8_4.13",
"evidence": "/affected/43/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "RHSA-2026:4830",
"aliases": [
"RHSA-2026:4830"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
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},
{
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}
]
}
],
"package": {
"name": "grub2",
"purl": "pkg:rpm/redhat/grub2",
"ecosystem": "Red Hat:rhel_aus:8.4::baseos"
},
"database_specific": {
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}
},
{
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],
"package": {
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"purl": "pkg:rpm/redhat/grub2-common",
"ecosystem": "Red Hat:rhel_aus:8.4::baseos"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:4830.json"
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{
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],
"package": {
"name": "grub2-debuginfo",
"purl": "pkg:rpm/redhat/grub2-debuginfo",
"ecosystem": "Red Hat:rhel_aus:8.4::baseos"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:4830.json"
}
},
{
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]
}
],
"package": {
"name": "grub2-debugsource",
"purl": "pkg:rpm/redhat/grub2-debugsource",
"ecosystem": "Red Hat:rhel_aus:8.4::baseos"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:4830.json"
}
},
{
"ranges": [
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{
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}
],
"package": {
"name": "grub2-efi-aa64-modules",
"purl": "pkg:rpm/redhat/grub2-efi-aa64-modules",
"ecosystem": "Red Hat:rhel_aus:8.4::baseos"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:4830.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:2.02-99.el8_4.13"
}
]
}
],
"package": {
"name": "grub2-efi-ia32",
"purl": "pkg:rpm/redhat/grub2-efi-ia32",
"ecosystem": "Red Hat:rhel_aus:8.4::baseos"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2026:4830.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1:2.02-99.el8_4.13"
}
]
}
],
"package": {
"name": "grub2-efi-ia32-cdboot",
"purl": "pkg:rpm/redhat/grub2-efi-ia32-cdboot",
"ecosystem": "Red Hat:rhel_aus:8.4::baseos"
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"https://access.redhat.com/security/updates/classification/#moderate",
"https://bugzilla.redhat.com/show_bug.cgi?id=2414683",
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"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"
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