Use After Free Affecting mozilla-nss package, versions <3.41.1-3.13.1


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
9.92% (95th percentile)

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  • Snyk IDSNYK-SLES150-MOZILLANSS-2758502
  • published14 Apr 2022
  • disclosed6 Feb 2019

Introduced: 6 Feb 2019

CVE-2018-18500  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade SLES:15.0 mozilla-nss to version 3.41.1-3.13.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream mozilla-nss package and not the mozilla-nss package as distributed by SLES. See How to fix? for SLES:15.0 relevant fixed versions and status.

A use-after-free vulnerability can occur while parsing an HTML5 stream in concert with custom HTML elements. This results in the stream parser object being freed while still in use, leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 60.5, Firefox ESR < 60.5, and Firefox < 65.