CVE-2018-25021

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

2.27% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 81.5% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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

2021-12-13 00:53Z4 YR AGO

Last updated

2024-08-05 12:26Z2 YR AGO

Reserved

2021-12-13

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-404Improper Resource Shutdown or ReleaseClass

Data version

5.1

Document digest

53e38579d01920b0c09aeb33efd7b78d16dbb9b36884b1a4676b15a858ee45e1

• github.comhttps://github.com/TokTok/c-toxcore/issues/1214x_refsource_MISC
• github.comhttps://github.com/TokTok/c-toxcore/pull/1216x_refsource_MISC
• blog.tox.chathttps://blog.tox.chat/2018/10/memory-leak-bug-and-new-toxcore-release-fixing-it/x_refsource_MISC