CVE-2023-48631

Name: CVE-2023-48631
Creator: NVD / NIST
Published: 2023-12-14T13:15:54.25+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.12%

Last modified Jun 17, 2026

CVE-2023-48631 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. @adobe/css-tools versions 4.3.1 and earlier are affected by an Improper Input Validation vulnerability that could result in a denial of service while attempting to parse CSS.. EPSS estimates a 1.12% chance of exploitation in the next 30 days.

Description

@adobe/css-tools versions 4.3.1 and earlier are affected by an Improper Input Validation vulnerability that could result in a denial of service while attempting to parse CSS.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.12%

62.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Adobe	Css-Tools	< 4.3.2

References

https://github.com/adobe/css-tools/security/advisories/GHSA-prr3-c3m5-p7q2Vendor Advisory
https://github.com/adobe/css-tools/security/advisories/GHSA-prr3-c3m5-p7q2Vendor Advisory

Timeline

Published: Dec 14, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-48631?

@adobe/css-tools versions 4.3.1 and earlier are affected by an Improper Input Validation vulnerability that could result in a denial of service while attempting to parse CSS.

How severe is CVE-2023-48631?

CVE-2023-48631 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.12% probability of exploitation in the next 30 days.

How do I fix CVE-2023-48631?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-48631?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST