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CVE-2023-43646

22
FAUCET Score

CVE-2023-43646 is a Regular Expression Denial of Service (ReDoS) vulnerability affecting versions of the 'get-func-name' module prior to 2.0.1, including its use within chaijs. This flaw allows an attacker to cause a denial of service by providing specially crafted input with unbalanced parentheses, leading to excessive CPU utilization. With a CVSS score of 7.5 (High), this vulnerability has a network attack vector, low attack complexity, and a high impact on availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.0.1CPE matchmatch criteria
cpe:2.3:a:chaijs:get-func-name:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

8.6HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
4.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.11%
Probability of exploitation in next 30 days
EPSS Percentile
62.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0111 is in the 40th percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (7)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: get-func-nameFixed in: 2.0.1
redhatpatch availablevia redhat_api
Product: RHODF-4.16-RHEL-9Fixed in: odf4/odf-multicluster-console-rhel9:v4.16.0-58
View patch
redhatpatch availablevia redhat_api
Product: RHODF-4.15-RHEL-9Fixed in: odf4/odf-console-rhel9:v4.15.0-57
View patch
redhatno patchvia redhat_api
Product: OpenShift Service Mesh 2Fixed in: openshift-service-mesh/kiali-rhel8
redhatno patchvia redhat_api
Product: Red Hat OpenShift Dev SpacesFixed in: devspaces/traefik-rhel8
redhatend of lifevia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/ose-console

Vendor Advisories (2)

npmGHSA-4q6p-r6v2-jvc5high

Chaijs/get-func-name vulnerable to ReDoS

Sep 27, 2023
redhatCVE-2023-43646Moderate

get-func-name: ReDoS in chai module

Sep 27, 2023

References

github.com / chaijs/get-func-name/commit/f934b228b5e2cb94d6c8576d3aac05493f667c69
Patch
github.com / chaijs/get-func-name/security/advisories/GHSA-4q6p-r6v2-jvc5
ExploitThird Party Advisory