CVE-2018-5104

firefox: A use-after-free vulnerability can occur during font face manipulation when a font face is freed while still in use,...

CVE-2018-5104 is fixed in 12 products on 1 platform, first by thunderbird 1:52.6.0+build1-0ubuntu1, released January 22, 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
0.0703
94th percentile

A use-after-free vulnerability can occur during font face manipulation when a font face is freed while still in use, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.6, Firefox ESR < 52.6, and Firefox < 58.

Where it's fixed

ProductFixed inFixReleased
Linux
firefox · Ubuntu 18.04.6 LTS (bionic) 59.0.1+build1-0ubuntu1 firefox 59.0.1+build1-0ubuntu1 Jun 11, 2018
firefox-globalmenu · Ubuntu 18.04.6 LTS (bionic) 59.0.1+build1-0ubuntu1 firefox-globalmenu 59.0.1+build1-0ubuntu1 Jun 11, 2018
firefox-mozsymbols · Ubuntu 18.04.6 LTS (bionic) 59.0.1+build1-0ubuntu1 firefox-mozsymbols 59.0.1+build1-0ubuntu1 Jun 11, 2018
firefox-testsuite · Ubuntu 18.04.6 LTS (bionic) 59.0.1+build1-0ubuntu1 firefox-testsuite 59.0.1+build1-0ubuntu1 Jun 11, 2018
thunderbird · Ubuntu 18.04.6 LTS (bionic) 1:52.6.0+build1-0ubuntu1 thunderbird 1:52.6.0+build1-0ubuntu1 Jan 22, 2018
thunderbird-globalmenu · Ubuntu 18.04.6 LTS (bionic) 1:52.6.0+build1-0ubuntu1 thunderbird-globalmenu 1:52.6.0+build1-0ubuntu1 Jan 22, 2018
thunderbird-gnome-support · Ubuntu 18.04.6 LTS (bionic) 1:52.6.0+build1-0ubuntu1 thunderbird-gnome-support 1:52.6.0+build1-0ubuntu1 Jan 22, 2018
thunderbird-mozsymbols · Ubuntu 18.04.6 LTS (bionic) 1:52.6.0+build1-0ubuntu1 thunderbird-mozsymbols 1:52.6.0+build1-0ubuntu1 Jan 22, 2018
thunderbird-testsuite · Ubuntu 18.04.6 LTS (bionic) 1:52.6.0+build1-0ubuntu1 thunderbird-testsuite 1:52.6.0+build1-0ubuntu1 Jan 22, 2018
xul-ext-calendar-timezones · Ubuntu 18.04.6 LTS (bionic) 1:52.6.0+build1-0ubuntu1 xul-ext-calendar-timezones 1:52.6.0+build1-0ubuntu1 Jan 22, 2018
xul-ext-gdata-provider · Ubuntu 18.04.6 LTS (bionic) 1:52.6.0+build1-0ubuntu1 xul-ext-gdata-provider 1:52.6.0+build1-0ubuntu1 Jan 22, 2018
xul-ext-lightning · Ubuntu 18.04.6 LTS (bionic) 1:52.6.0+build1-0ubuntu1 xul-ext-lightning 1:52.6.0+build1-0ubuntu1 Jan 22, 2018

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