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Fencer Vulns
high 8.0

CVE-2019-14586 json

Use after free vulnerability in EDK II may allow an authenticated user to potentially enable escalation of privilege, information disclosur…

published 2020-11-23 5 y ago modified 2026-06-17 4 mo ago also EUVD-2019-5747

cvss
8.0
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 54%
public exploits
0
none known

Summary

Use after free vulnerability in EDK II may allow an authenticated user to potentially enable escalation of privilege, information disclosure and/or denial of service via adjacent access.

Patch / fix

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

debian advisories DEBIAN-CVE-2019-14586

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

ubuntu advisories UBUNTU-CVE-2019-14586

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

  • ovmf openSUSE Tumbleweed 202105-3.4

opensuse advisories openSUSE-SU-2024:11134-1

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-2019-14586 updated cvss 4.6

edk2: potential use-after-free due to the original configuration runtime memory is freed but it is still exposed to the OS runtime

  • Red Hat Enterprise Linux 7 ovmf, OVMF, AAVMF Red Hat Enterprise Linux 8 edk2, edk2-ovmf, edk2-aarch64
    not affected: vulnerable code not present

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

0.74% chance of exploitation in the next 30 days, higher than 54% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 8.0 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 5.2 AV:A/AC:L/Au:S/C:P/I:P/A:P

Affected products

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

Classification

Weakness

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.