CVE-2018-21232

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

1.46% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 73.2% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

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

Red Hat severity

Low. Red Hat's rating for its own products, not a CVSS rating.

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

2020-04-29 13:36Z6 YR AGO

Last updated

2024-08-05 12:26Z2 YR AGO

Reserved

2020-04-28

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-674Uncontrolled RecursionClass

Data version

5.1

Document digest

b8cc5c839f6b2e2c3aceb1e9bd90bc198d09da6c8f7fcbcf3cac30a7aa79abfa

• github.comhttps://github.com/skvadrik/re2c/issues/219x_refsource_MISC
• www.openwall.comhttps://www.openwall.com/lists/oss-security/2020/04/27/2x_refsource_MISC
• www.openwall.com[oss-security] 20200514 Re: re2c: infinite loophttp://www.openwall.com/lists/oss-security/2020/05/14/4mailing-listx_refsource_MLIST