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grub2: Integer overflow read_section_as_string may lead to heap-based buffer overflow

🗓️ 29 Jul 2020 19:42:24Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 6 Views

Grub2 flaw: unverified font value may trigger integer overflow and heap overflow via the read section string operation.

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Tenable Nessus		Alibaba Cloud Linux 3 : 0026: grub2 (ALINUX3-SA-2021:0026)
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Tenable Nessus		Alibaba Cloud Linux 3 : 0064: grub2 (ALINUX3-SA-2022:0064)
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Tenable Nessus		Azure Linux 3.0 Security Update: CBL-Mariner Releases / grub2 (CVE-2020-14310)
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Tenable Nessus		CentOS 8 : grub2 (CESA-2020:3216)
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Tenable Nessus		CentOS 7 : grub2 (RHSA-2020:3217)
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Tenable Nessus		Debian DSA-4735-1 : grub2 - security update
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Tenable Nessus		EulerOS 2.0 SP8 : grub2 (EulerOS-SA-2020-1853)
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Tenable Nessus		EulerOS Virtualization for ARM 64 3.0.6.0 : grub2 (EulerOS-SA-2020-2000)
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Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7.8x86_64fwupdate12-6.el7_8fwupdate-12-6.el7_8.x86_64.rpm
Red Hat Enterprise Linux7.8x86_64fwupdate-debuginfo12-6.el7_8fwupdate-debuginfo-12-6.el7_8.x86_64.rpm
Red Hat Enterprise Linux7.8x86_64fwupdate-devel12-6.el7_8fwupdate-devel-12-6.el7_8.x86_64.rpm
Red Hat Enterprise Linux7.8x86_64fwupdate-efi12-6.el7_8fwupdate-efi-12-6.el7_8.x86_64.rpm
Red Hat Enterprise Linux7.8x86_64fwupdate-libs12-6.el7_8fwupdate-libs-12-6.el7_8.x86_64.rpm
Red Hat Enterprise Linux7.8ppc64grub21:2.02-0.86.el7_8grub2-1:2.02-0.86.el7_8.ppc64.rpm
Red Hat Enterprise Linux7.8ppc64legrub21:2.02-0.86.el7_8grub2-1:2.02-0.86.el7_8.ppc64le.rpm
Red Hat Enterprise Linux7.8x86_64grub21:2.02-0.86.el7_8grub2-1:2.02-0.86.el7_8.x86_64.rpm
Red Hat Enterprise Linux7.8noarchgrub2-common1:2.02-0.86.el7_8grub2-common-1:2.02-0.86.el7_8.noarch.rpm
Red Hat Enterprise Linux7.8ppc64grub2-debuginfo1:2.02-0.86.el7_8grub2-debuginfo-1:2.02-0.86.el7_8.ppc64.rpm
Rows per page

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28 Jun 2026 09:06Current
7.6High risk
Vulners AI Score7.6
CVSS 23.6
CVSS 3.15.7 - 6
EPSS0.00478
CWE-190
grub two vulnerabilityinteger overflowheap overflowread section stringfont filedata integritysystem availability
6