CVE-2019-6286: Medium severity libsass vulnerability

Published Jan 14, 2019
·
Updated

In LibSass 3.5.5, a heap-based buffer over-read exists in Sass::Prelexer::skipoverscopes in prelexer.hpp when called from Sass::Parser::parseimport(), a similar issue to CVE-2018-11693.

Other sources

LibSass is vulnerable to a denial of service, caused by a heap-based buffer over-read in Sass::Prelexer::skipoverscopes in prelexer.hpp. By persuading a victim to open a specially-crafted file, a remote attacker could exploit this vulnerability to cause the application to crash.

— IBM

Affected Software

7 affected components
Sass-lang Libsass=3.5.5
IBM Data Virtualization on Cloud Pak for Data<=3.0
IBM Watson Query on Cloud Pak for Data<=2.2
IBM Watson Query on Cloud Pak for Data<=2.1
IBM Watson Query on Cloud Pak for Data<=2.0
IBM Data Virtualization on Cloud Pak for Data<=1.8
IBM Data Virtualization on Cloud Pak for Data<=1.7

Event History

Jan 14, 2019
CVE Published
via MITRE·10:00 PM
Data Sourced
via MITRE·10:00 PM
Description
Aug 15, 2025
Data Sourced
via IBM·03:29 PM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is CVE-2019-6286?

CVE-2019-6286 is a vulnerability in LibSass 3.5.5.

2

How does CVE-2019-6286 affect Sass-lang Libsass?

CVE-2019-6286 affects Sass-lang Libsass version 3.5.5.

3

What is the severity of CVE-2019-6286?

CVE-2019-6286 has a severity rating of 6.5 (medium).

4

How can I fix CVE-2019-6286 in LibSass?

To fix CVE-2019-6286, update to a version of LibSass that is not affected by the vulnerability.

5

Is there any additional information about CVE-2019-6286?

For additional information about CVE-2019-6286, you can refer to the provided references.

Company

Resources

Contact

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