USN-8865-1: edk2 Ubuntu

CVSS: UnknownPublished
Published 05-10-2026Last modified 05-10-2026

Vulnerability summary

USN-8865-1 is a vulnerability in edk2 Ubuntu with no CVSS score yet.

Overall risk
0/100
0100
Minimal · default modelHow is this calculated?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
Not scored
0%100%
No EPSS score yet
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 4 · Downstream 0 · Related 4

Timeline

  1. 05-10-2026
    PublishedVulnerability first disclosed.
  2. 05-10-2026
    Last modifiedVulnerability information updated.

Description

edk2 vulnerabilities It was discovered that EDK II incorrectly handled CMS key unwrapping in the embedded OpenSSL library. An attacker could possibly use this issue to cause a heap buffer overflow, resulting in a denial of service. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS, and Ubuntu 26.04 LTS. (CVE-2026-63072) It was discovered that EDK II incorrectly handled CMP protection verification in the embedded OpenSSL library. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 24.04 LTS and Ubuntu 26.04 LTS. (CVE-2026-63076) It was discovered that EDK II incorrectly buffered DTLS records in the embedded OpenSSL library. A remote attacker could possibly use this issue to cause EDK II to consume excessive memory, resulting in a denial of service. (CVE-2026-54874) It was discovered that EDK II incorrectly verified AEAD tags in the embedded OpenSSL library. An attacker could possibly use this issue to cause EDK II to accept forged messages. This issue only affected Ubuntu 24.04 LTS and Ubuntu 26.04 LTS. (CVE-2026-75803)

CVSS metrics

Risk metrics not yet published.

EPSS trend

No EPSS score has been published for this record yet.

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Ubuntu1 product
  • edk2< 0~20160408.ffea0a2c-2ubuntu0.2+esm4 | < 0~20180205.c0d9813c-2ubuntu0.3+esm3 | < 0~20191122.bd85bf54-2ubuntu3.6+esm1 | < 2022.02-3ubuntu0.22.04.7 | < 2024.02-2ubuntu0.10 | < 2025.11-3ubuntu7.3

1 vendor · 1 product

References

5 links