CVE-2018-25079: A vulnerability was found in Segmentio is-url up to 1.2.2

Routine

MEDIUM 4.3UPGRADE

CVE-2018-25079 is a medium-severity flaw (CVSS 4.3) affecting is-url. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was found in Segmentio is-url up to 1.2.2. It has been rated as problematic. Affected by this issue is some unknown functionality of the file index.js. The manipulation leads to inefficient regular expression complexity. The attack may be launched remotely. Upgrading to version 1.2.3 is able to address this issue. The patch is identified as 149550935c63a98c11f27f694a7c4a9479e53794. It is recommended to upgrade the affected compone

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.0% (top 39%)
CISA exploited list	No
Weakness	CWE-1333
Published	2023-02-04
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: segment

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-02-04 04:15 UTCPublished CVE record published
2026-06-17 01:54 UTCUpdated Record last modified

segment is-url UPGRADE

Affected: <= 1.2.2

Fixed in: newer than 1.2.2

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls is-url

2. UPGRADE to newer than 1.2.2

npm install is-url@">1.2.2"

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2018-25079?

is-url: upgrade to newer than 1.2.2. Exact commands for each OS are on this page.

Is CVE-2018-25079 being exploited?

CVE-2018-25079 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2018-25079 affect?

CVE-2018-25079 affects is-url. Severity is medium (CVSS 4.3). A vulnerability was found in Segmentio is-url up to 1.2.2. It has been rated as problematic. Affected by this issue is some unknown functionality of the file index.js. The manipulation leads to inefficient regular expression complexity. The

How urgent is CVE-2018-25079?

Priority 30/100. No elevated risk signals yet.

References

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