Description
A Use-After-Free vulnerability has been discovered in GRUB's gettext module. This flaw stems from a programming error where the gettext command remains registered in memory after its module is unloaded. An attacker can exploit this condition by invoking the orphaned command, causing the application to access a memory location that is no longer valid. An attacker could exploit this vulnerability to cause grub to crash, leading to a Denial of Service. Possible data integrity or confidentiality compromise is not discarded.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
GNU grub2
Default version status: unaffected
0 to ≤ 2.14affected
Red Hat Red Hat Enterprise Linux 10
Default version status: affected
1:2.12-29.el10_1.2 to < *unaffected
Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support
Default version status: affected
1:2.12-15.el10_0.2 to < *unaffected
Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support
Default version status: affected
1:2.02-0.87.el7_9.16 to < *unaffected
Red Hat Red Hat Enterprise Linux 8
Default version status: affected
1:2.02-170.el8_10.1 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support
Default version status: affected
1:2.02-87.el8_2.14 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
Default version status: affected
1:2.02-99.el8_4.13 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On
Default version status: affected
1:2.02-99.el8_4.13 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
Default version status: affected
1:2.02-123.el8_6.19 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service
Default version status: affected
1:2.02-123.el8_6.19 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions
Default version status: affected
1:2.02-123.el8_6.19 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service
Default version status: affected
1:2.02-152.el8_8.3 to < *unaffected
Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions
Default version status: affected
1:2.02-152.el8_8.3 to < *unaffected
Red Hat Red Hat Enterprise Linux 9
Default version status: affected
1:2.06-114.el9_7.1 to < *unaffected
Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions
Default version status: affected
1:2.06-27.el9_0.23 to < *unaffected
Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions
Default version status: affected
1:2.06-61.el9_2.11 to < *unaffected
Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support
Default version status: affected
1:2.06-86.el9_4.4 to < *unaffected
Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support
Default version status: affected
1:2.06-105.el9_6.1 to < *unaffected
Red Hat Red Hat OpenShift Container Platform 4.12
Default version status: affected
412.86.202604010116-0 to < *unaffected
Red Hat Red Hat OpenShift Container Platform 4.13
Default version status: affected
413.92.202604080111-0 to < *unaffected
Red Hat Red Hat OpenShift Container Platform 4.14
Default version status: affected
414.92.202605060243-0 to < *unaffected
Red Hat Red Hat OpenShift Container Platform 4.15
Default version status: affected
415.92.202605060220-0 to < *unaffected
Red Hat Red Hat OpenShift Container Platform 4.16
Default version status: affected
416.94.202604211449-0 to < *unaffected
Red Hat Red Hat OpenShift Container Platform 4.17
Default version status: affected
417.94.202605112123-0 to < *unaffected
Red Hat Red Hat OpenShift Container Platform 4.18
Default version status: affected
418.94.202603181125-0 to < *unaffected
Red Hat Red Hat OpenShift Container Platform 4.19
Default version status: affected
4.19.9.6.202604080618-0 to < *unaffected
References
- https://access.redhat.com/errata/RHSA-2026:10097 ↗
- https://access.redhat.com/errata/RHSA-2026:14773 ↗
- https://access.redhat.com/errata/RHSA-2026:15087 ↗
- https://access.redhat.com/errata/RHSA-2026:17596 ↗
- https://access.redhat.com/errata/RHSA-2026:4648 ↗
- https://access.redhat.com/errata/RHSA-2026:4649 ↗
- https://access.redhat.com/errata/RHSA-2026:4652 ↗
- https://access.redhat.com/errata/RHSA-2026:4653 ↗
- https://access.redhat.com/errata/RHSA-2026:4654 ↗
- https://access.redhat.com/errata/RHSA-2026:4760 ↗
- https://access.redhat.com/errata/RHSA-2026:4822 ↗
- https://access.redhat.com/errata/RHSA-2026:4823 ↗
- https://access.redhat.com/errata/RHSA-2026:4830 ↗
- https://access.redhat.com/errata/RHSA-2026:4900 ↗
- https://access.redhat.com/errata/RHSA-2026:4998 ↗
- https://access.redhat.com/errata/RHSA-2026:5074 ↗
- https://access.redhat.com/errata/RHSA-2026:5127 ↗
- https://access.redhat.com/errata/RHSA-2026:5233 ↗
- https://access.redhat.com/errata/RHSA-2026:6492 ↗
- https://access.redhat.com/errata/RHSA-2026:7239 ↗
- https://access.redhat.com/errata/RHSA-2026:7243 ↗
- https://access.redhat.com/security/cve/CVE-2025-61662 ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=2414683 ↗
- https://lists.gnu.org/archive/html/grub-devel/2025-11/msg00155.html ↗
- http://www.openwall.com/lists/oss-security/2025/11/18/5 ↗