Red Hat Security Advisory: grub2 security update
The grub2 packages provide version 2 of the Grand Unified Boot Loader (GRUB), a highly configurable and customizable boot loader with modular architecture. The packages support a variety of kernel formats, file systems, computer architectures, and hardware devices. Security Fix(es): * grub2: grub-core/gettext: Integer overflow leads to Heap OOB Write. (CVE-2024-45777) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 9 Release Notes linked from the References section.
AI Analysis
Technical Summary
The grub2 packages in Red Hat Enterprise Linux 9 contain a vulnerability identified as CVE-2024-45777, where an integer overflow in the grub-core/gettext component leads to a heap out-of-bounds write (CWE-787). This flaw could potentially cause memory corruption. Red Hat has issued an official security advisory (RHSA-2025:20532) and released updated grub2 packages to fix this issue. The advisory covers multiple architectures and product variants of Red Hat Enterprise Linux 9. No CVSS score is provided in the advisory, but the impact is rated as moderate by Red Hat Product Security.
Potential Impact
The integer overflow vulnerability in grub2 can lead to a heap out-of-bounds write, which may cause memory corruption. This could potentially affect system stability or security during the boot process. Red Hat rates the security impact as moderate. There are no known exploits in the wild at the time of the advisory.
Mitigation Recommendations
Red Hat has released an official security update for grub2 in Red Hat Enterprise Linux 9 to address CVE-2024-45777. Users should apply the update as described in the Red Hat advisory (RHSA-2025:20532) and the referenced article (https://access.redhat.com/articles/11258). The update is available for multiple architectures and product variants. Applying this update remediates the vulnerability. No additional mitigation steps are indicated by the vendor.
Red Hat Security Advisory: grub2 security update
Description
The grub2 packages provide version 2 of the Grand Unified Boot Loader (GRUB), a highly configurable and customizable boot loader with modular architecture. The packages support a variety of kernel formats, file systems, computer architectures, and hardware devices. Security Fix(es): * grub2: grub-core/gettext: Integer overflow leads to Heap OOB Write. (CVE-2024-45777) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 9 Release Notes linked from the References section.
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The grub2 packages in Red Hat Enterprise Linux 9 contain a vulnerability identified as CVE-2024-45777, where an integer overflow in the grub-core/gettext component leads to a heap out-of-bounds write (CWE-787). This flaw could potentially cause memory corruption. Red Hat has issued an official security advisory (RHSA-2025:20532) and released updated grub2 packages to fix this issue. The advisory covers multiple architectures and product variants of Red Hat Enterprise Linux 9. No CVSS score is provided in the advisory, but the impact is rated as moderate by Red Hat Product Security.
Potential Impact
The integer overflow vulnerability in grub2 can lead to a heap out-of-bounds write, which may cause memory corruption. This could potentially affect system stability or security during the boot process. Red Hat rates the security impact as moderate. There are no known exploits in the wild at the time of the advisory.
Mitigation Recommendations
Red Hat has released an official security update for grub2 in Red Hat Enterprise Linux 9 to address CVE-2024-45777. Users should apply the update as described in the Red Hat advisory (RHSA-2025:20532) and the referenced article (https://access.redhat.com/articles/11258). The update is available for multiple architectures and product variants. Applying this update remediates the vulnerability. No additional mitigation steps are indicated by the vendor.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2025:20532
- Cve Count
- 1
Threat ID: 6a419cad27e9c79719ab9e04
Added to database: 06/28/2026, 22:14:05 UTC
Last enriched: 06/28/2026, 22:22:52 UTC
Last updated: 09/10/2026, 19:36:48 UTC
Views: 23
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