What is CVE-2019-14562?

CVE-2019-14562 is a medium-severity vulnerability in Tianocore Edk2, classified under Integer Overflow or Wraparound. CVSS score: 5.5/10. Published 2020-11-23.

How severe is CVE-2019-14562?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Integer overflow in Tianocore Edk2

CVE-2019-14562

Integer overflow in DxeImageVerificationHandler() EDK II may allow an authenticated user to potentially enable denial of service via local access.

Vulnerability class: Integer Overflow

Published 2020-11-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.003 (21.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 21.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Tianocore Edk2
Debian Linux — versions 9.0
Extensible Firmware Interface Development Kit (Edk Ii) — versions EDK II

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

bugzilla.tianocore.org/show_bug.cgi (Issue Tracking, Vendor Advisory)
lists.debian.org/debian-lts-announce/2021/04/msg00032.html (mailing-list, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2019-14562?: CVE-2019-14562 is a medium-severity vulnerability in Tianocore Edk2, classified under Integer Overflow or Wraparound. CVSS score: 5.5/10. Published 2020-11-23.
How severe is CVE-2019-14562?: Medium severity. CVSS v3 base score is 5.5 out of 10.