vulnerability
Huawei EulerOS: CVE-2021-3697: grub2 security update
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 4 | (AV:L/AC:M/Au:N/C:P/I:P/A:P) | Jul 6, 2022 | Sep 14, 2022 | Apr 1, 2026 |
Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
Jul 6, 2022
Added
Sep 14, 2022
Modified
Apr 1, 2026
Description
A crafted JPEG image may lead the JPEG reader to underflow its data pointer, allowing user-controlled data to be written in heap. To a successful to be performed the attacker needs to perform some triage over the heap layout and craft an image with a malicious format and payload. This vulnerability can lead to data corruption and eventual code execution or secure boot circumvention. This flaw affects grub2 versions prior grub-2.12.
Solutions
huawei-euleros-2_0_sp9-upgrade-grub2-commonhuawei-euleros-2_0_sp9-upgrade-grub2-efi-aa64huawei-euleros-2_0_sp9-upgrade-grub2-efi-aa64-moduleshuawei-euleros-2_0_sp9-upgrade-grub2-toolshuawei-euleros-2_0_sp9-upgrade-grub2-tools-extrahuawei-euleros-2_0_sp9-upgrade-grub2-tools-minimal
Rapid7 Labs
2026 Global Threat Landscape Report
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