CVE-2018-20542

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

1.91% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 78.4% of scored records. A rank, not a probability.

NVD base score

8.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2018-12-28 03:00Z7 YR AGO

Last updated

2024-08-05 12:05Z2 YR AGO

Reserved

2018-12-27

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferClass

Data version

5.1

Document digest

0bea4ea49bf0cf75c71508eea2b38a5ed7aa6a75f9da5371bb38c9ae9bdc8d24

• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1652633x_refsource_MISC
• github.comhttps://github.com/hfp/libxsmm/issues/287x_refsource_MISC
• github.comhttps://github.com/hfp/libxsmm/commit/151481489192e6d1997f8bde52c5c425ea41741dx_refsource_MISC
• bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1652635x_refsource_MISC