Linux · 
Red Hat · Security advisory · March 16, 2026
Red Hat · Security advisory · March 16, 2026RHSA-2026:4648: Security update for 18 packages
RHSA-2026:4648, released March 16, 2026, fixes 1 CVE across 18 products. None of them is reported as exploited. Patch Radar priority: High.
High
CVEs closed
1
None rated Critical
Exploited
0
None reported
Highest CVSS
7.8
Base score, 0 to 10
Highest EPSS
0.0022
12th percentile
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| grub2-common | RHEL 8 | 1:2.02-170.el8_10.1 |
| grub2-efi-aa64 | RHEL 8 | 1:2.02-170.el8_10.1 |
| grub2-efi-aa64-cdboot | RHEL 8 | 1:2.02-170.el8_10.1 |
| grub2-efi-aa64-modules | RHEL 8 | 1:2.02-170.el8_10.1 |
| grub2-efi-ia32 | RHEL 8 | 1:2.02-170.el8_10.1 |
| grub2-efi-ia32-cdboot | RHEL 8 | 1:2.02-170.el8_10.1 |
| grub2-efi-ia32-modules | RHEL 8 | 1:2.02-170.el8_10.1 |
| grub2-efi-x64 | RHEL 8 | 1:2.02-170.el8_10.1 |
| grub2-efi-x64-cdboot | RHEL 8 | 1:2.02-170.el8_10.1 |
| grub2-efi-x64-modules | RHEL 8 | 1:2.02-170.el8_10.1 |
| grub2-pc | RHEL 8 | 1:2.02-170.el8_10.1 |
| grub2-pc-modules | RHEL 8 | 1:2.02-170.el8_10.1 |
| grub2-ppc64le | RHEL 8 | 1:2.02-170.el8_10.1 |
| grub2-ppc64le-modules | RHEL 8 | 1:2.02-170.el8_10.1 |
| grub2-tools | RHEL 8 | 1:2.02-170.el8_10.1 |
| grub2-tools-efi | RHEL 8 | 1:2.02-170.el8_10.1 |
| grub2-tools-extra | RHEL 8 | 1:2.02-170.el8_10.1 |
| grub2-tools-minimal | RHEL 8 | 1:2.02-170.el8_10.1 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| High | CVE-2025-61662 | Grub2: missing unregister call for gettext command may lead to use-after-free | 7.8 | 0.0022 | None reported |
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