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AUSCERT External Security Bulletin Redistribution
ESB-2021.3882
USN-5146-1: Thunderbird vulnerabilities
15 November 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: Thunderbird
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
Denial of Service -- Remote with User Interaction
Resolution: Patch/Upgrade
CVE Names: CVE-2021-38493
Reference: ESB-2021.3071
ESB-2021.3065
Original Bulletin:
https://ubuntu.com/security/notices/USN-5146-1
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USN-5146-1: Thunderbird vulnerabilities
11 November 2021
Several security issues were fixed in Thunderbird.
Releases
o Ubuntu 21.04
o Ubuntu 20.04 LTS
o Ubuntu 18.04 LTS
Packages
o thunderbird - Mozilla Open Source mail and newsgroup client
Details
Multiple security issues were discovered in Thunderbird. If a user were
tricked into opening a specially crafted website in a browsing context, an
attacker could potentially exploit these to cause a denial of service, or
execute arbitrary code.
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 21.04
o thunderbird - 1:78.14.0+build1-0ubuntu0.21.04.1
Ubuntu 20.04
o thunderbird - 1:78.14.0+build1-0ubuntu0.20.04.1
Ubuntu 18.04
o thunderbird - 1:78.14.0+build1-0ubuntu0.18.04.1
After a standard system update you need to restart Thunderbird to make
all the necessary changes.
References
o CVE-2021-38493
Related notices
o USN-5074-1 : firefox-locale-cak, firefox-locale-mk, firefox-locale-or,
firefox-locale-uk, firefox-locale-an, firefox-locale-id, firefox-locale-fa,
firefox-locale-ru, firefox-locale-da, firefox-locale-en, firefox-locale-fr,
firefox-locale-nso, firefox-locale-oc, firefox-locale-ta,
firefox-locale-tr, firefox-locale-eu, firefox-locale-ko, firefox-locale-az,
firefox-locale-cy, firefox-locale-ar, firefox-locale-bs,
firefox-locale-csb, firefox-locale-mai, firefox-locale-gn,
firefox-locale-ast, firefox-locale-kk, firefox-locale-it,
firefox-locale-et, firefox-locale-lt, firefox-locale-si, firefox-locale-gd,
firefox-locale-bn, firefox-locale-el, firefox-locale-my, firefox-locale-mn,
firefox-locale-ro, firefox-locale-zh-hans, firefox-locale-eo,
firefox-locale-ca, firefox-locale-hi, firefox-locale-mr, firefox-locale-is,
firefox-locale-cs, firefox-locale-de, firefox-locale-zu, firefox-locale-af,
firefox-locale-pa, firefox-locale-ga, firefox-locale-ka, firefox-locale-fy,
firefox-locale-nl, firefox-locale-lv, firefox-locale-sq, firefox-locale-ku,
firefox-locale-gl, firefox-locale-hsb, firefox-locale-nb,
firefox-locale-nn, firefox-locale-hu, firefox-locale-fi, firefox-locale-pl,
firefox-locale-ml, firefox-locale-uz, firefox-locale-ja,
firefox-locale-kab, firefox-locale-vi, firefox-locale-hy, firefox,
firefox-locale-te, firefox-locale-pt, firefox-locale-sk, firefox-locale-br,
firefox-locale-gu, firefox-locale-bg, firefox-locale-as, firefox-locale-es,
firefox-locale-szl, firefox-geckodriver, firefox-locale-kn,
firefox-locale-ur, firefox-dev, firefox-locale-th, firefox-locale-lg,
firefox-locale-ne, firefox-locale-zh-hant, firefox-locale-km,
firefox-locale-sv, firefox-locale-he, firefox-locale-sw,
firefox-mozsymbols, firefox-locale-sr, firefox-locale-ms,
firefox-locale-xh, firefox-locale-be, firefox-locale-sl, firefox-locale-hr,
firefox-locale-ia
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