CVE-2019-9789

firefox: Mozilla developers and community members reported memory safety bugs present in Firefox 65

CVE-2019-9789 is fixed in 4 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: Routine.

Routine
CVSS
n/a
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0122
68th percentile

Mozilla developers and community members reported memory safety bugs present in Firefox 65. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 66.

Where it's fixed

ProductFixed inFixReleased
Linux
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-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

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