CVE-2018-12388

firefox: Mozilla developers and community members reported memory safety bugs present in Firefox 62

CVE-2018-12388 is fixed in 4 products on 1 platform, first by firefox 63.0+build2-0ubuntu0.18.04.2, released October 23, 2018. 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
0.0143
73rd percentile

Mozilla developers and community members reported memory safety bugs present in Firefox 62. 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 < 63.

Where it's fixed

ProductFixed inFixReleased
Linux
firefox · Ubuntu 18.04.6 LTS (bionic) 63.0+build2-0ubuntu0.18.04.2 firefox 63.0+build2-0ubuntu0.18.04.2 Oct 23, 2018
firefox-globalmenu · Ubuntu 18.04.6 LTS (bionic) 63.0+build2-0ubuntu0.18.04.2 firefox-globalmenu 63.0+build2-0ubuntu0.18.04.2 Oct 23, 2018
firefox-mozsymbols · Ubuntu 18.04.6 LTS (bionic) 63.0+build2-0ubuntu0.18.04.2 firefox-mozsymbols 63.0+build2-0ubuntu0.18.04.2 Oct 23, 2018
firefox-testsuite · Ubuntu 18.04.6 LTS (bionic) 63.0+build2-0ubuntu0.18.04.2 firefox-testsuite 63.0+build2-0ubuntu0.18.04.2 Oct 23, 2018

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