CVE-2018-5095

firefox: An integer overflow vulnerability in the Skia library when allocating memory for edge builders on some systems with a...

CVE-2018-5095 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
0.0413
90th percentile

An integer overflow vulnerability in the Skia library when allocating memory for edge builders on some systems with at least 8 GB of RAM. This results in the use of uninitialized memory, 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