CVE-2019-9796

firefox: Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This...

CVE-2019-9796 is fixed in 11 products on 1 platform, first by firefox 66.0+build3-0ubuntu0.18.04.1, released March 19, 2019. It is not reported as exploited. Patch Radar priority: Urgent.

Urgent
CVSS
9.8
Critical
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0206
81st percentile

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. This update upgrades Firefox to version 60.6.1 ESR. (BZ#1690308) Security Fix(es): * Mozilla: Memory safety bugs fixed in Firefox 66 and Firefox ESR 60.6 (CVE-2019-9788) * Mozilla: Use-after-free when removing in-use DOM elements (CVE-2019-9790) * Mozilla: Type inference is incorrect for constructors entered through on-stack replacement with IonMonkey (CVE-2019-9791) * Mozilla: IonMonkey leaks JS_OPTIMIZED_OUT magic value to script (CVE-2019-9792) * Mozilla: IonMonkey MArraySlice has incorrect alias information (CVE-2019-9810) * Mozilla: Ionmonkey type confusion with __proto__ mutations (CVE-2019-9813) * Mozilla: Improper bounds checks when Spectre mitigations are disabled (CVE-2019-9793) * Mozilla: Type-confusion in IonMonkey JIT compiler (CVE-2019-9795) * Mozilla: Use-after-free with SMIL animation controller (CVE-2019-9796) * Mozilla: Proxy Auto-Configuration file can define localhost access to be proxied (CVE-2018-18506) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Where it's fixed

ProductFixed inFixReleased
Linux
firefox · RHEL 8 0:60.6.1-1.el8 RHSA-2019:0966 May 7, 2019
firefox · Ubuntu 18.04.6 LTS (bionic) 66.0+build3-0ubuntu0.18.04.1 firefox 66.0+build3-0ubuntu0.18.04.1 Mar 19, 2019
firefox · ol 8 0:60.6.1-1.0.2.el8 ELSA-2019-0966 Jul 30, 2019
firefox-globalmenu · Ubuntu 18.04.6 LTS (bionic) 66.0+build3-0ubuntu0.18.04.1 firefox-globalmenu 66.0+build3-0ubuntu0.18.04.1 Mar 19, 2019
firefox-mozsymbols · Ubuntu 18.04.6 LTS (bionic) 66.0+build3-0ubuntu0.18.04.1 firefox-mozsymbols 66.0+build3-0ubuntu0.18.04.1 Mar 19, 2019
firefox-testsuite · Ubuntu 18.04.6 LTS (bionic) 66.0+build3-0ubuntu0.18.04.1 firefox-testsuite 66.0+build3-0ubuntu0.18.04.1 Mar 19, 2019
thunderbird · RHEL 8 0:60.6.1-1.el8 RHSA-2019:1144 May 13, 2019
thunderbird · Ubuntu 18.04.6 LTS (bionic) 1:60.6.1+build2-0ubuntu0.18.04.1 thunderbird 1:60.6.1+build2-0ubuntu0.18.04.1 Mar 24, 2019
thunderbird · ol 8 0:60.6.1-1.0.1.el8 ELSA-2019-1144 Jul 30, 2019
thunderbird-globalmenu · Ubuntu 18.04.6 LTS (bionic) 1:60.6.1+build2-0ubuntu0.18.04.1 thunderbird-globalmenu 1:60.6.1+build2-0ubuntu0.18.04.1 Mar 24, 2019
thunderbird-gnome-support · Ubuntu 18.04.6 LTS (bionic) 1:60.6.1+build2-0ubuntu0.18.04.1 thunderbird-gnome-support 1:60.6.1+build2-0ubuntu0.18.04.1 Mar 24, 2019
thunderbird-mozsymbols · Ubuntu 18.04.6 LTS (bionic) 1:60.6.1+build2-0ubuntu0.18.04.1 thunderbird-mozsymbols 1:60.6.1+build2-0ubuntu0.18.04.1 Mar 24, 2019
xul-ext-calendar-timezones · Ubuntu 18.04.6 LTS (bionic) 1:60.6.1+build2-0ubuntu0.18.04.1 xul-ext-calendar-timezones 1:60.6.1+build2-0ubuntu0.18.04.1 Mar 24, 2019
xul-ext-gdata-provider · Ubuntu 18.04.6 LTS (bionic) 1:60.6.1+build2-0ubuntu0.18.04.1 xul-ext-gdata-provider 1:60.6.1+build2-0ubuntu0.18.04.1 Mar 24, 2019
xul-ext-lightning · Ubuntu 18.04.6 LTS (bionic) 1:60.6.1+build2-0ubuntu0.18.04.1 xul-ext-lightning 1:60.6.1+build2-0ubuntu0.18.04.1 Mar 24, 2019