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CVE-2019-6284

Good to know:

Date: January 14, 2019

In LibSass 3.5.5, a heap-based buffer over-read exists in Sass::Prelexer::alternatives in prelexer.hpp.

Language: JS

Severity Score

6.5

Related Resources (8)

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2019-6284

Url: http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00051.html

Url: https://github.com/sass/libsass/issues/2816

Url: http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00047.html

Url: https://nvd.nist.gov/vuln/detail/CVE-2019-6284

Url: http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00027.html

Url: https://security-tracker.debian.org/tracker/CVE-2019-6284

Url: https://www.mend.io/vulnerability-database/CVE-2019-6284

Severity Score

6.5

Weakness Type (CWE)

Buffer Errors

CWE-119

Out-of-bounds Read

CWE-125

Top Fix

Upgrade Version

Upgrade to version node-sass - 5.0.0;Fable.Template.Elmish.React - 0.1.6;GR.PageRender.Razor - 1.8.0;MIDIator.WebClient - 1.0.105

CVSS v3.1

Base Score:	6.5
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	REQUIRED
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	4.3
Access Vector (AV):	NETWORK
Access Complexity (AC):	MEDIUM
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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