Out-of-bounds Read Affecting libsass package, versions <3.5.4+20180621~c0a6cf3-1


Severity

Recommended
low

Based on Debian security rating.

Threat Intelligence

EPSS
0.3% (70th percentile)

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  • Snyk IDSNYK-DEBIAN11-LIBSASS-532653
  • published4 Jun 2018
  • disclosed4 Jun 2018

Introduced: 4 Jun 2018

CVE-2018-11693  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade Debian:11 libsass to version 3.5.4+20180621~c0a6cf3-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libsass package and not the libsass package as distributed by Debian. See How to fix? for Debian:11 relevant fixed versions and status.

An issue was discovered in LibSass through 3.5.4. An out-of-bounds read of a memory region was found in the function Sass::Prelexer::skip_over_scopes which could be leveraged by an attacker to disclose information or manipulated to read from unmapped memory causing a denial of service.