CVE-2018-5134
firefox: WebExtensions may use "view-source:" URLs to view local "file:" URL content, as well as content stored in "about:cach...
CVE-2018-5134 is fixed in 4 products on 1 platform, first by firefox 59.0.1+build1-0ubuntu1, released June 11, 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
0.0162
76th percentile
WebExtensions may use "view-source:" URLs to view local "file:" URL content, as well as content stored in "about:cache", bypassing restrictions that only allow WebExtensions to view specific content. This vulnerability affects Firefox < 59.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| 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 |