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USN-3228-1: libevent vulnerabilities

13 March 2017

Several security issues were fixed in libevent.

Releases

Packages

  • libevent - Asynchronous event notification library

Details

Guido Vranken discovered that libevent incorrectly handled memory when
processing certain data. A remote attacker could possibly use this issue
with an application that uses libevent to cause a denial of service, or
possibly execute arbitrary code.

Update instructions

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

Ubuntu 16.10
Ubuntu 16.04
Ubuntu 14.04
Ubuntu 12.04

In general, a standard system update will make all the necessary changes.

Related notices

  • USN-3278-1: thunderbird-locale-hy, thunderbird-locale-sk, thunderbird-locale-pa-in, xul-ext-lightning, thunderbird-locale-ga, thunderbird-locale-nl, thunderbird-locale-sv-se, thunderbird-locale-id, thunderbird-locale-nn-no, thunderbird-locale-he, thunderbird-locale-br, xul-ext-gdata-provider, thunderbird-locale-pt-pt, thunderbird-locale-sq, thunderbird-locale-cy, thunderbird-locale-hu, thunderbird-locale-nn, thunderbird-locale-mk, thunderbird-locale-es, thunderbird-locale-ko, thunderbird-locale-en-us, thunderbird-locale-sv, thunderbird-locale-ca, thunderbird-locale-gd, thunderbird-locale-bn-bd, thunderbird-locale-bg, thunderbird-locale-ta-lk, thunderbird-locale-fr, thunderbird-locale-el, thunderbird-locale-rm, thunderbird-locale-fy-nl, thunderbird-locale-es-es, thunderbird-locale-ga-ie, thunderbird-locale-af, thunderbird-dev, thunderbird-mozsymbols, thunderbird-locale-da, thunderbird-locale-dsb, thunderbird-locale-gl, thunderbird-locale-pt, thunderbird, thunderbird-locale-kab, thunderbird-locale-bn, thunderbird-locale-nb, thunderbird-locale-vi, xul-ext-calendar-timezones, thunderbird-locale-hr, thunderbird-locale-pl, thunderbird-gnome-support, thunderbird-locale-lt, thunderbird-locale-pt-br, thunderbird-locale-ka, thunderbird-locale-zh-tw, thunderbird-locale-eu, thunderbird-locale-si, thunderbird-locale-sl, thunderbird-locale-fy, thunderbird-locale-zh-cn, thunderbird-locale-zh-hant, thunderbird-locale-et, thunderbird-locale-hsb, thunderbird-locale-ru, thunderbird-locale-ast, thunderbird-locale-sr, thunderbird-locale-ta, thunderbird-locale-nb-no, thunderbird-locale-es-ar, thunderbird-locale-uk, thunderbird-locale-en-gb, thunderbird-locale-it, thunderbird-locale-zh-hans, thunderbird-locale-pa, thunderbird-locale-tr, thunderbird-locale-fi, thunderbird-locale-de, thunderbird-locale-is, thunderbird-locale-cs, thunderbird-locale-en, thunderbird-locale-ro, thunderbird-locale-be, thunderbird-globalmenu, thunderbird-locale-ar, thunderbird-locale-ja, thunderbird-testsuite