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Use After Free Affecting thunderbird package, versions <1:78.3.1-1

0.0
high

Snyk CVSS

    Attack Complexity Low
    User Interaction Required
    Confidentiality High
    Integrity High
    Availability High

    Threat Intelligence

    EPSS 0.32% (70th percentile)
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NVD
8.8 high
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Red Hat
8.8 high
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SUSE
8.8 high

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  • Snyk ID SNYK-DEBIANUNSTABLE-THUNDERBIRD-1013752
  • published 23 Sep 2020
  • disclosed 1 Oct 2020
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Introduced: 23 Sep 2020

CVE-2020-15678 Open this link in a new tab
CWE-416 Open this link in a new tab

How to fix?

Upgrade Debian:unstable thunderbird to version 1:78.3.1-1 or higher.

NVD Description

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

When recursing through graphical layers while scrolling, an iterator may have become invalid, resulting in a potential use-after-free. This occurs because the function APZCTreeManager::ComputeClippedCompositionBounds did not follow iterator invalidation rules. This vulnerability affects Firefox < 81, Thunderbird < 78.3, and Firefox ESR < 78.3.