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Fencer Vulns
high 7.8

CVE-2019-14563 json

Integer truncation in EDK II may allow an authenticated user to potentially enable escalation of privilege via local access.

published 2020-11-23 5 y ago modified 2026-06-17 4 mo ago also EUVD-2019-5724

cvss
7.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 34%
public exploits
0
none known

Summary

Integer truncation in EDK II may allow an authenticated user to potentially enable escalation of privilege via local access.

Patch / fix

  • edk2 Debian 14, Debian 13, Debian 12 0~20200229.4c0f6e34-1

debian advisories DEBIAN-CVE-2019-14563

  • edk2 Ubuntu 16.04 LTS 0~20160408.ffea0a2c-2ubuntu0.1
  • edk2 Ubuntu 18.04 LTS 0~20180205.c0d9813c-2ubuntu0.2

ubuntu advisories UBUNTU-CVE-2019-14563

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • edk2 RHEL 8 20190829git37eef91017ad-9.el8
  • edk2-ovmf RHEL 8 20190829git37eef91017ad-9.el8
  • edk2-aarch64 RHEL 8 20190829git37eef91017ad-9.el8

red hat advisories RHSA-2020:1712

  • ovmf SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES 12 SP5 +1 more 2017+git1510945757.b2662641d5-3.23.1
  • ovmf SLE Module for Server Applications 15 SP1 2017+git1510945757.b2662641d5-5.29.3
  • ovmf SLES for SAP 12 SP2, SLES 12 SP2-LTSS, SLES 12 SP2-BCL +1 more 2015+git1462940744.321151f-19.10.3

suse advisories SUSE-SU-2020:0699-1SUSE-SU-2020:0568-1SUSE-SU-2020:0495-1

  • ovmf openSUSE Tumbleweed 202105-3.4
  • ovmf openSUSE Leap 15.1 2017+git1510945757.b2662641d5-lp151.11.3.1

opensuse advisories openSUSE-SU-2024:11134-1openSUSE-SU-2020:0314-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2019-14563 updated cvss 6.4

edk2: numeric truncation in MdeModulePkg/PiDxeS3BootScriptLib

  • Red Hat Enterprise Linux 7 ovmf, OVMF, AAVMF
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux AppStream (v. 8) edk2 20190829git37eef91017ad-9.el8, edk2-ovmf 20190829git37eef91017ad-9.el8, edk2-aarch64 20190829git37eef91017ad-9.el8
    fixed: vendor fix RHSA-2020:1712

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.40% chance of exploitation in the next 30 days, higher than 34% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 4.6 AV:L/AC:L/Au:N/C:P/I:P/A:P

Affected products

  • n/a Extensible Firmware Interface Development Kit (EDK II)

Classification

Weakness
  • CWE-681 Incorrect Conversion between Numeric Types
  • CWE-787 Out-of-bounds Write

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.