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CVE-2018-25079

25
FAUCET Score

CVE-2018-25079 is a high-severity vulnerability affecting Segmentio's is-url library up to version 1.2.2, specifically within the index.js file, due to inefficient regular expression complexity. This flaw allows for remote attacks, potentially leading to a denial of service (availability impact) with a CVSS score of 7.5. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability. Upgrading to is-url version 1.2.3 is recommended to remediate this issue.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.2.2CPE matchmatch criteria
cpe:2.3:a:segment:is-url:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

4.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
2.8
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.94%
Probability of exploitation in next 30 days
EPSS Percentile
57.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0094 is in the 32nd percentile among its peer group of 51,553 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 (3)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: is-urlFixed in: 1.2.3
redhatno patchvia redhat_api
Product: Red Hat OpenShift Container Platform 4Fixed in: openshift4/ose-console

Vendor Advisories (2)

npmGHSA-p9w8-2mpq-49h9high

is-url Inefficient Regular Expression Complexity vulnerability

Feb 4, 2023
redhatCVE-2018-25079Moderate

is-url: inefficient regular expression complexity

Feb 4, 2023

References

github.com / segmentio/is-url/commit/149550935c63a98c11f27f694a7c4a9479e53794
Patch
github.com / segmentio/is-url/pull/18
Issue TrackingPatch
github.com / segmentio/is-url/releases/tag/v1.2.3
Release Notes
vuldb.com
Permissions RequiredThird Party Advisory
vuldb.com
Permissions RequiredThird Party Advisory