Out-of-bounds Write Affecting thunderbird package, versions <1:78.6.0-1


0.0
high

Snyk CVSS

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

    Threat Intelligence

    EPSS 0.26% (65th percentile)
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NVD
8.8 high
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Red Hat
8.8 high
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SUSE
7.5 high

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  • Snyk ID SNYK-DEBIAN11-THUNDERBIRD-1051713
  • published 16 Dec 2020
  • disclosed 7 Jan 2021

How to fix?

Upgrade Debian:11 thunderbird to version 1:78.6.0-1 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:11 relevant fixed versions and status.

Certain blit values provided by the user were not properly constrained leading to a heap buffer overflow on some video drivers. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6.