CVE & CISA-KEV Catalog

CVE-2023-45233

HIGHEPSS 79th pctl
7.5
CVSS v3
NVD

Description

EDK2's Network Package is susceptible to an infinite lop vulnerability when parsing a PadN option in the Destination Options header of IPv6. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Availability.

How to fix

Remediation Available
edk2Debian
Fixed in:2020.11-2+deb11u3CVE-2023-45233
Fixed in:2022.11-6+deb12u1CVE-2023-45233
Fixed in:2023.11-6CVE-2023-45233
Fixed in:2023.11-6CVE-2023-45233
edk2Red Hat / RHEL
Fixed in:0:20220126gitbb1bba3d77-4.el8_8.6RHSA-2024:8104
Fixed in:0:20220126gitbb1bba3d77-13.el8_10RHSA-2024:3017
Fixed in:0:20231122-6.el9RHSA-2024:2264
edk2Rocky
Fixed in:0:20220126gitbb1bba3d77-13.el8_10RHSA-2024:3017
Fixed in:0:20220126gitbb1bba3d77-4.el8_8.6RHSA-2024:8104
Fixed in:0:20231122-6.el9RHSA-2024:2264
edk2-aarch64Rocky
Fixed in:0:20220126gitbb1bba3d77-13.el8_10RHSA-2024:3017
Fixed in:0:20220126gitbb1bba3d77-4.el8_8.6RHSA-2024:8104
Fixed in:0:20231122-6.el9RHSA-2024:2264
edk2-aarch64Red Hat / RHEL
Fixed in:0:20220126gitbb1bba3d77-13.el8_10RHSA-2024:3017
Fixed in:0:20220126gitbb1bba3d77-4.el8_8.6RHSA-2024:8104
Fixed in:0:20231122-6.el9RHSA-2024:2264
edk2-debugsourceRocky
Fixed in:0:20231122-6.el9RHSA-2024:2264
Fixed in:0:20231122-6.el9RHSA-2024:2264
edk2-debugsourceRed Hat / RHEL
Fixed in:0:20231122-6.el9RHSA-2024:2264
Fixed in:0:20231122-6.el9RHSA-2024:2264
edk2-ovmfRocky
Fixed in:0:20220126gitbb1bba3d77-13.el8_10RHSA-2024:3017
Fixed in:0:20220126gitbb1bba3d77-4.el8_8.6RHSA-2024:8104
Fixed in:0:20231122-6.el9RHSA-2024:2264
edk2-ovmfRed Hat / RHEL
Fixed in:0:20220126gitbb1bba3d77-4.el8_8.6RHSA-2024:8104
Fixed in:0:20220126gitbb1bba3d77-13.el8_10RHSA-2024:3017
Fixed in:0:20231122-6.el9RHSA-2024:2264
edk2-toolsRocky
Fixed in:0:20231122-6.el9RHSA-2024:2264
Fixed in:0:20231122-6.el9RHSA-2024:2264
edk2-toolsRed Hat / RHEL
Fixed in:0:20231122-6.el9RHSA-2024:2264
Fixed in:0:20231122-6.el9RHSA-2024:2264
edk2-tools-debuginfoRed Hat / RHEL
Fixed in:0:20231122-6.el9RHSA-2024:2264
Fixed in:0:20231122-6.el9RHSA-2024:2264
edk2-tools-debuginfoRocky
Fixed in:0:20231122-6.el9RHSA-2024:2264
Fixed in:0:20231122-6.el9RHSA-2024:2264
edk2-tools-docRocky
Fixed in:0:20231122-6.el9RHSA-2024:2264
edk2-tools-docRed Hat / RHEL
Fixed in:0:20231122-6.el9RHSA-2024:2264
edk2Ubuntu
Fixed in:0~20191122.bd85bf54-2ubuntu3.5USN-6638-1
Fixed in:2022.02-3ubuntu0.22.04.2USN-6638-1
Fixed in:2023.05-2ubuntu0.1USN-6638-1
efi-shell-aa64Ubuntu
Fixed in:2023.05-2ubuntu0.1USN-6638-1
efi-shell-armUbuntu
Fixed in:2023.05-2ubuntu0.1USN-6638-1
efi-shell-x64Ubuntu
Fixed in:2023.05-2ubuntu0.1USN-6638-1
ovmfUbuntu
Fixed in:0~20191122.bd85bf54-2ubuntu3.5USN-6638-1
Fixed in:2022.02-3ubuntu0.22.04.2USN-6638-1
Fixed in:2023.05-2ubuntu0.1USN-6638-1
qemu-efiUbuntu
Fixed in:0~20191122.bd85bf54-2ubuntu3.5USN-6638-1
Fixed in:2022.02-3ubuntu0.22.04.2USN-6638-1
qemu-efi-aarch64Ubuntu
Fixed in:0~20191122.bd85bf54-2ubuntu3.5USN-6638-1
Fixed in:2022.02-3ubuntu0.22.04.2USN-6638-1
Fixed in:2023.05-2ubuntu0.1USN-6638-1
qemu-efi-armUbuntu
Fixed in:0~20191122.bd85bf54-2ubuntu3.5USN-6638-1
Fixed in:2022.02-3ubuntu0.22.04.2USN-6638-1
Fixed in:2023.05-2ubuntu0.1USN-6638-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

2.08%probability of exploitation in 30 days
79thpercentile

Elevated risk: more likely to be exploited than 79% of all known CVEs.

References

Related Vulnerabilities

Other CWE-835 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2020-13935High7.588%-Fix
CVE-2020-36227High7.578%-Fix
CVE-2022-0778High7.571%-Fix
CVE-2019-14241High7.570%--
CVE-2017-16944High7.563%-Fix
CVE-2024-20353High8.663%KEV-
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-11-04.