<p>Upgrade <code>Amazon-Linux:2018.03</code> <code>nss-util</code> to version 0:3.53.1-1.58.amzn1 or higher.<br>This issue was patched in <code>ALAS-2021-1522</code>.</p>

Use After Free Affecting nss-util package, versions <0:3.53.1-1.58.amzn1

Snyk CVSS

Attack Complexity High

User Interaction Required

Confidentiality High

Integrity High

Availability High

Threat Intelligence

EPSS 0.22% (60^th percentile)

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Snyk ID SNYK-AMZN201803-NSSUTIL-1726154
published 27 Sep 2021
disclosed 8 Jan 2020

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Introduced: 8 Jan 2020

CVE-2019-11756 Open this link in a new tab CWE-416 Open this link in a new tab

How to fix?

Upgrade Amazon-Linux:2018.03 nss-util to version 0:3.53.1-1.58.amzn1 or higher.
This issue was patched in ALAS-2021-1522.

NVD Description

Note: Versions mentioned in the description apply only to the upstream nss-util package and not the nss-util package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.

Improper refcounting of soft token session objects could cause a use-after-free and crash (likely limited to a denial of service). This vulnerability affects Firefox < 71.