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USN-3897-1: Thunderbird vulnerabilities

26 February 2019

Several security issues were fixed in Thunderbird.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Releases

Packages

  • thunderbird - Mozilla Open Source mail and newsgroup client

Details

A use-after-free was discovered in libical. If a user were tricked in to
opening a specially crafted ICS calendar file, an attacker could
potentially exploit this to cause a denial of service. (CVE-2016-5824)

Multiple security issues were discovered in Thunderbird. If a user were
tricked in to opening a specially crafted message, an attacker could
potentially exploit these to cause a denial of service, or execute
arbitrary code. (CVE-2018-18356, CVE-2018-18500, CVE-2019-5785)

Multiple security issues were discovered in Thunderbird. If a user were
tricked in to opening a specially crafted website in a browsing context,
an attacker could potentially exploit these to cause a denial of service,
gain additional privileges by escaping the sandbox, or execute arbitrary
code. (CVE-2018-18501, CVE-2018-18505)

An issue was discovered with S/MIME signature verification in some
circumstances. An attacker could potentially exploit this by spoofing
signatures for arbitrary content. (CVE-2018-18509)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 18.10
Ubuntu 18.04
Ubuntu 16.04
Ubuntu 14.04

After a standard system update you need to restart Thunderbird to make
all the necessary changes.

Related notices

  • USN-3896-1: firefox-dev, firefox-locale-it, firefox-locale-fy, firefox-locale-lv, firefox-locale-ar, firefox-locale-xh, firefox-locale-sw, firefox-locale-mr, firefox-locale-nn, firefox-locale-an, firefox-locale-sk, firefox-locale-kn, firefox-locale-ast, firefox-locale-vi, firefox-locale-ca, firefox-locale-mai, firefox-locale-br, firefox, firefox-locale-my, firefox-locale-gu, firefox-locale-sr, firefox-locale-ms, firefox-locale-ja, firefox-locale-en, firefox-locale-fa, firefox-locale-gd, firefox-locale-si, firefox-locale-be, firefox-locale-id, firefox-locale-pa, firefox-locale-hr, firefox-locale-cak, firefox-locale-hi, firefox-locale-da, firefox-locale-ro, firefox-locale-hu, firefox-locale-ka, firefox-locale-kk, firefox-locale-uk, firefox-locale-ga, firefox-locale-mk, firefox-locale-pt, firefox-locale-ur, firefox-locale-fr, firefox-locale-th, firefox-locale-csb, firefox-locale-mn, firefox-locale-gn, firefox-locale-sv, firefox-locale-ru, firefox-locale-gl, firefox-locale-km, firefox-locale-pl, firefox-locale-sl, firefox-locale-he, firefox-globalmenu, firefox-locale-bs, firefox-locale-bg, firefox-locale-kab, firefox-locale-ta, firefox-locale-eo, firefox-locale-hy, firefox-locale-ne, firefox-locale-or, firefox-locale-cs, firefox-locale-az, firefox-locale-tr, firefox-locale-hsb, firefox-locale-et, firefox-locale-nb, firefox-locale-bn, firefox-locale-af, firefox-locale-el, firefox-locale-oc, firefox-locale-de, firefox-locale-nso, firefox-locale-eu, firefox-locale-zh-hant, firefox-mozsymbols, firefox-locale-ml, firefox-locale-ia, firefox-locale-zu, firefox-locale-ko, firefox-locale-nl, firefox-locale-sq, firefox-locale-ku, firefox-locale-lg, firefox-locale-es, firefox-locale-te, firefox-locale-as, firefox-locale-uz, firefox-locale-zh-hans, firefox-testsuite, firefox-locale-is, firefox-locale-lt, firefox-locale-fi, firefox-locale-cy
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