CVE-2018-20991

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

1.84% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 78.7% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/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

2019-08-26 14:23Z7 YR AGO

Last updated

2024-08-05 12:19Z2 YR AGO

Reserved

2019-08-25

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-415Double FreeVariant

Data version

5.1

Document digest

aaa7b136bbdc5af27e917f7cf1bc5f3a1a1805e5a82ec533f15c4711c83b0220

• rustsec.orghttps://rustsec.org/advisories/RUSTSEC-2018-0003.htmlx_refsource_MISC