USN-3844-1: Firefox vulnerabilities

Releases

• Ubuntu 18.10
• Ubuntu 18.04 ESM
• Ubuntu 16.04 ESM
• Ubuntu 14.04 ESM

Packages

• firefox - Mozilla Open Source web browser

Details

Multiple security issues were discovered in Firefox. If a user were
tricked in to opening a specially crafted website, an attacker could
potentially exploit these to cause a denial of service, bypass same-origin
restritions, or execute arbitrary code. (CVE-2018-12405, CVE-2018-12406,
CVE-2018-12407, CVE-2018-17466, CVE-2018-18492, CVE-2018-18493,
CVE-2018-18494, CVE-2018-18498)

Multiple security issues were discovered in WebExtensions. If a user were
tricked in to installing a specially crafted extension, an attacker could
potentially exploit these to open privileged pages, or bypass other
security restrictions. (CVE-2018-18495, CVE-2018-18497)

Update instructions

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

Ubuntu 18.10

• firefox - 64.0+build3-0ubuntu0.18.10.1

Ubuntu 18.04

• firefox - 64.0+build3-0ubuntu0.18.04.1

Ubuntu 16.04

• firefox - 64.0+build3-0ubuntu0.16.04.1

Ubuntu 14.04

• firefox - 64.0+build3-0ubuntu0.14.04.1

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

References

• CVE-2018-12405
• CVE-2018-12406
• CVE-2018-12407
• CVE-2018-17466
• CVE-2018-18492
• CVE-2018-18493
• CVE-2018-18494
• CVE-2018-18495
• CVE-2018-18497
• CVE-2018-18498

Related notices

• USN-3868-1: thunderbird-locale-es, thunderbird-locale-fi, thunderbird-locale-ka, thunderbird, thunderbird-locale-sl, xul-ext-calendar-timezones, thunderbird-locale-ga-ie, thunderbird-locale-bn-bd, thunderbird-locale-br, thunderbird-locale-sv-se, thunderbird-locale-ru, thunderbird-locale-ga, thunderbird-locale-zh-cn, thunderbird-locale-nb, thunderbird-locale-nl, xul-ext-gdata-provider, thunderbird-locale-kab, thunderbird-locale-ta, thunderbird-dev, thunderbird-locale-ms, thunderbird-locale-it, thunderbird-locale-nb-no, thunderbird-locale-nn, thunderbird-locale-el, thunderbird-gnome-support, thunderbird-locale-sk, thunderbird-globalmenu, thunderbird-locale-is, thunderbird-locale-pt-pt, thunderbird-locale-sr, thunderbird-locale-zh-hant, thunderbird-locale-eu, thunderbird-locale-si, xul-ext-lightning, thunderbird-locale-lt, thunderbird-locale-zh-tw, thunderbird-mozsymbols, thunderbird-locale-zh-hans, thunderbird-locale-en-gb, thunderbird-locale-pt, thunderbird-locale-rm, thunderbird-locale-uk, thunderbird-locale-cy, thunderbird-locale-ja, thunderbird-locale-ar, thunderbird-locale-fy-nl, thunderbird-locale-hy, thunderbird-locale-ta-lk, thunderbird-locale-gl, thunderbird-locale-pl, thunderbird-locale-de, thunderbird-locale-ast, thunderbird-locale-da, thunderbird-locale-en, thunderbird-locale-cs, thunderbird-locale-mk, thunderbird-locale-sq, thunderbird-locale-es-es, thunderbird-locale-kk, thunderbird-locale-gd, thunderbird-locale-be, thunderbird-locale-id, thunderbird-locale-sv, thunderbird-locale-ro, thunderbird-locale-bn, thunderbird-locale-nn-no, thunderbird-locale-vi, thunderbird-locale-hsb, thunderbird-locale-pt-br, thunderbird-locale-ca, thunderbird-locale-fy, thunderbird-locale-es-ar, thunderbird-locale-pa, thunderbird-locale-af, thunderbird-locale-hr, thunderbird-locale-he, thunderbird-locale-tr, thunderbird-locale-pa-in, thunderbird-locale-ko, thunderbird-locale-et, thunderbird-locale-bg, thunderbird-locale-hu, thunderbird-locale-fr, thunderbird-locale-en-us, thunderbird-testsuite, thunderbird-locale-dsb