CVE-2019-14559 Denial of service in Extensible Firmware Interface Development Kit (EDK II)

What is CVE-2019-14559?

CVE-2019-14559 is a high-severity denial of service vulnerability in Extensible Firmware Interface Development Kit (EDK II), published on 23 Nov 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Uncontrolled resource consumption in EDK II may allow an unauthenticated user to potentially enable denial of service via network access.

Weakness: CWE-401

Which versions are affected by CVE-2019-14559?

It affects 1 product.

Products include Tianocore Edk2.

How do I fix CVE-2019-14559?

Apply the vendor's patch.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2019-14559 being exploited?

There is no known exploitation of CVE-2019-14559 in the wild and no public exploit code.

Other vulnerabilities in Extensible Firmware Interface Development Kit (EDK II)

• CVE-2023-45230 Buffer Overflow in EDK II Network Package High 8.3
• CVE-2023-45234 Buffer Overflow in EDK II Network Package High 8.3
• CVE-2023-45235 Buffer Overflow in EDK II Network Package High 8.3
• CVE-2021-28210 Denial of service in EDK II High 7.8
• CVE-2019-14584 Null dereference in Tianocore EDK2 High 7.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2019-14559, GHSA-5cmc-7w2j-jpj5, RHSA-2020:4805, SUSE-SU-2020:1065-1, SUSE-SU-2020:1125-1, UBUNTU-CVE-2019-14559 and 1 more.