CVE-2018-18498

firefox: A potential vulnerability leading to an integer overflow can occur during buffer size calculations for images when a...

CVE-2018-18498 is fixed in 12 products on 1 platform, first by firefox 64.0+build3-0ubuntu0.18.04.1, released December 10, 2018. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
n/a
Low
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0403
90th percentile

A potential vulnerability leading to an integer overflow can occur during buffer size calculations for images when a raw value is used instead of the checked value. This leads to a possible out-of-bounds write. This vulnerability affects Thunderbird < 60.4, Firefox ESR < 60.4, and Firefox < 64.

Where it's fixed

ProductFixed inFixReleased
Linux
firefox · Ubuntu 18.04.6 LTS (bionic) 64.0+build3-0ubuntu0.18.04.1 firefox 64.0+build3-0ubuntu0.18.04.1 Dec 10, 2018
firefox-globalmenu · Ubuntu 18.04.6 LTS (bionic) 64.0+build3-0ubuntu0.18.04.1 firefox-globalmenu 64.0+build3-0ubuntu0.18.04.1 Dec 10, 2018
firefox-mozsymbols · Ubuntu 18.04.6 LTS (bionic) 64.0+build3-0ubuntu0.18.04.1 firefox-mozsymbols 64.0+build3-0ubuntu0.18.04.1 Dec 10, 2018
firefox-testsuite · Ubuntu 18.04.6 LTS (bionic) 64.0+build3-0ubuntu0.18.04.1 firefox-testsuite 64.0+build3-0ubuntu0.18.04.1 Dec 10, 2018
thunderbird · Ubuntu 18.04.6 LTS (bionic) 1:60.4.0+build2-0ubuntu0.18.04.1 thunderbird 1:60.4.0+build2-0ubuntu0.18.04.1 Jan 23, 2019
thunderbird-globalmenu · Ubuntu 18.04.6 LTS (bionic) 1:60.4.0+build2-0ubuntu0.18.04.1 thunderbird-globalmenu 1:60.4.0+build2-0ubuntu0.18.04.1 Jan 23, 2019
thunderbird-gnome-support · Ubuntu 18.04.6 LTS (bionic) 1:60.4.0+build2-0ubuntu0.18.04.1 thunderbird-gnome-support 1:60.4.0+build2-0ubuntu0.18.04.1 Jan 23, 2019
thunderbird-mozsymbols · Ubuntu 18.04.6 LTS (bionic) 1:60.4.0+build2-0ubuntu0.18.04.1 thunderbird-mozsymbols 1:60.4.0+build2-0ubuntu0.18.04.1 Jan 23, 2019
thunderbird-testsuite · Ubuntu 18.04.6 LTS (bionic) 1:60.4.0+build2-0ubuntu0.18.04.1 thunderbird-testsuite 1:60.4.0+build2-0ubuntu0.18.04.1 Jan 23, 2019
xul-ext-calendar-timezones · Ubuntu 18.04.6 LTS (bionic) 1:60.4.0+build2-0ubuntu0.18.04.1 xul-ext-calendar-timezones 1:60.4.0+build2-0ubuntu0.18.04.1 Jan 23, 2019
xul-ext-gdata-provider · Ubuntu 18.04.6 LTS (bionic) 1:60.4.0+build2-0ubuntu0.18.04.1 xul-ext-gdata-provider 1:60.4.0+build2-0ubuntu0.18.04.1 Jan 23, 2019
xul-ext-lightning · Ubuntu 18.04.6 LTS (bionic) 1:60.4.0+build2-0ubuntu0.18.04.1 xul-ext-lightning 1:60.4.0+build2-0ubuntu0.18.04.1 Jan 23, 2019

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