USN-4150-1: Thunderbird vulnerabilities
8 October 2019
Several security issues were fixed in Thunderbird.
Releases
Packages
- thunderbird - Mozilla Open Source mail and newsgroup client
Details
It was discovered that encrypted S/MIME parts in a multipart message can
leak plaintext contents when included in a HTML reply or forward in some
circumstances. If a user were tricked in to replying to or forwarding a
specially crafted message, an attacker could potentially exploit this to
obtain sensitive information. (CVE-2019-11739)
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 obtain sensitive
information, conduct cross-site scripting (XSS) attack, scause a denial
of service, or execute arbitrary code. (CVE-2019-11740, CVE-2019-11742,
CVE-2019-11743, CVE-2019-11744, CVE-2019-11746, CVE-2019-11752)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 19.04
Ubuntu 18.04
Ubuntu 16.04
After a standard system update you need to restart Thunderbird to make
all the necessary changes.
Related notices
- USN-4122-1: firefox-locale-sk, firefox-locale-de, firefox-locale-hu, firefox-locale-en, firefox-locale-ms, firefox-locale-es, firefox-locale-an, firefox-locale-or, firefox-locale-ko, firefox-locale-ga, firefox-locale-ru, firefox-locale-ml, firefox-locale-sv, firefox-locale-ka, firefox-locale-fr, firefox-locale-ca, firefox-locale-af, firefox-locale-id, firefox-locale-sl, firefox-locale-mn, firefox-locale-bn, firefox-locale-cy, firefox-locale-mai, firefox-locale-gu, firefox-locale-uz, firefox-locale-zh-hans, firefox-locale-nn, firefox-dev, firefox-locale-kn, firefox-locale-ia, firefox-locale-he, firefox-locale-fi, firefox-locale-zh-hant, firefox-locale-kk, firefox-locale-eu, firefox-locale-zu, firefox-locale-ta, firefox-locale-nso, firefox-locale-da, firefox-locale-ku, firefox-locale-bs, firefox-locale-be, firefox-locale-tr, firefox-locale-as, firefox-locale-csb, firefox-locale-pt, firefox-locale-km, firefox-locale-el, firefox-locale-ro, firefox-locale-th, firefox-locale-it, firefox-locale-ja, firefox-locale-hsb, firefox-locale-oc, firefox-locale-az, firefox-locale-sq, firefox-locale-sr, firefox-locale-ar, firefox-locale-nb, firefox-locale-pa, firefox-mozsymbols, firefox-locale-br, firefox-locale-fy, firefox-locale-sw, firefox-locale-gd, firefox-locale-hy, firefox-locale-cak, firefox-locale-vi, firefox-locale-mr, firefox-locale-lv, firefox-locale-fa, firefox-locale-gn, firefox-locale-lg, firefox-locale-te, firefox-locale-ast, firefox-locale-nl, firefox-locale-hr, firefox-locale-mk, firefox-locale-hi, firefox-locale-et, firefox-locale-uk, firefox, firefox-locale-lt, firefox-locale-bg, firefox-locale-cs, firefox-locale-ne, firefox-locale-is, firefox-locale-kab, firefox-locale-eo, firefox-geckodriver, firefox-locale-xh, firefox-locale-ur, firefox-locale-my, firefox-locale-si, firefox-locale-gl, firefox-locale-pl