CVE-2018-5178

thunderbird: A buffer overflow was found during UTF8 to Unicode string conversion within JavaScript with extremely large amounts o...

CVE-2018-5178 is fixed in 8 products on 1 platform, first by thunderbird 1:52.8.0+build1-0ubuntu0.18.04.1, released May 22, 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
0.0489
92nd percentile

A buffer overflow was found during UTF8 to Unicode string conversion within JavaScript with extremely large amounts of data. This vulnerability requires the use of a malicious or vulnerable legacy extension in order to occur. This vulnerability affects Thunderbird ESR < 52.8, Thunderbird < 52.8, and Firefox ESR < 52.8.

Where it's fixed

ProductFixed inFixReleased
Linux
thunderbird · Ubuntu 18.04.6 LTS (bionic) 1:52.8.0+build1-0ubuntu0.18.04.1 thunderbird 1:52.8.0+build1-0ubuntu0.18.04.1 May 22, 2018
thunderbird-globalmenu · Ubuntu 18.04.6 LTS (bionic) 1:52.8.0+build1-0ubuntu0.18.04.1 thunderbird-globalmenu 1:52.8.0+build1-0ubuntu0.18.04.1 May 22, 2018
thunderbird-gnome-support · Ubuntu 18.04.6 LTS (bionic) 1:52.8.0+build1-0ubuntu0.18.04.1 thunderbird-gnome-support 1:52.8.0+build1-0ubuntu0.18.04.1 May 22, 2018
thunderbird-mozsymbols · Ubuntu 18.04.6 LTS (bionic) 1:52.8.0+build1-0ubuntu0.18.04.1 thunderbird-mozsymbols 1:52.8.0+build1-0ubuntu0.18.04.1 May 22, 2018
thunderbird-testsuite · Ubuntu 18.04.6 LTS (bionic) 1:52.8.0+build1-0ubuntu0.18.04.1 thunderbird-testsuite 1:52.8.0+build1-0ubuntu0.18.04.1 May 22, 2018
xul-ext-calendar-timezones · Ubuntu 18.04.6 LTS (bionic) 1:52.8.0+build1-0ubuntu0.18.04.1 xul-ext-calendar-timezones 1:52.8.0+build1-0ubuntu0.18.04.1 May 22, 2018
xul-ext-gdata-provider · Ubuntu 18.04.6 LTS (bionic) 1:52.8.0+build1-0ubuntu0.18.04.1 xul-ext-gdata-provider 1:52.8.0+build1-0ubuntu0.18.04.1 May 22, 2018
xul-ext-lightning · Ubuntu 18.04.6 LTS (bionic) 1:52.8.0+build1-0ubuntu0.18.04.1 xul-ext-lightning 1:52.8.0+build1-0ubuntu0.18.04.1 May 22, 2018