CVE-2017-5391

Special "about:" pages used by web content, such as RSS feeds, can load privileged "about:" pages in an iframe.

Published 11 Jun 2018Modified 17 Jun 2026

In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Trivy's own label is CRITICAL. Rated critical by NVD. Rated lower by Ubuntu (medium).

Description

Special "about:" pages used by web content, such as RSS feeds, can load privileged "about:" pages in an iframe. If a content-injection bug were found in one of those pages this could allow for potential privilege escalation. This vulnerability affects Firefox < 51.

Affected packages and fixed versions

Source	Package	Fixed in
ubuntu 12.04	firefox	51.0.1+build2-0ubuntu0.12.04.1
ubuntu 14.04	firefox	51.0.1+build2-0ubuntu0.14.04.1
ubuntu 16.04	firefox	51.0.1+build2-0ubuntu0.16.04.1
ubuntu 16.10	firefox	51.0.1+build2-0ubuntu0.16.10.1
ubuntu 17.04	firefox	52.0.1+build2-0ubuntu1

References

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