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MFSA2018-02 Firefox: Security vulnerabilities fixed in Firefox 58 (CVE-2018-5118)

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MFSA2018-02 Firefox: Security vulnerabilities fixed in Firefox 58 (CVE-2018-5118)

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:P/I:N/A:N)
Published
01/23/2018
Created
07/25/2018
Added
01/24/2018
Modified
06/26/2018

Description

The screenshot images displayed in the Activity Stream page displayed when a new tab is opened is created from the meta tags of websites. An issue was discovered where the page could attempt to create these images through "file:" URLs from the local file system. This loading is blocked by the sandbox but could expose local data if combined with another attack that escapes sandbox protections. This vulnerability affects Firefox < 58.

Solution(s)

  • mozilla-firefox-upgrade-58_0

References

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