Is CVE-2018-1109 in the CISA KEV catalog?

No. CVE-2018-1109 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-1109?

CVE-2018-1109 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2018-1109?

CVE-2018-1109 has an EPSS score of 1.36% (68th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-1109?

Upgrade braces to 2.3.1 or later.

CVE & CISA-KEV Catalog

CVE-2018-1109

MEDIUM

5.3

CVSS v3

NVD

Description

A vulnerability was found in Braces versions 2.2.0 and above, prior to 2.3.1. Affected versions of this package are vulnerable to Regular Expression Denial of Service (ReDoS) attacks.

CWE-185 CWE-400Resource Exhaustion

How to fix

Remediation Available

bracesNVD

Affected:< 2.3.1Fixed in:2.3.1CVE-2018-1109derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityLow

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

Exploit Intelligence

1.36%probability of exploitation in 30 days

68thpercentile

Moderate risk: more likely to be exploited than 68% of all known CVEs.

References

Patch1

bugzilla.redhat.com

Exploit1

snyk.io

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-12-01.