CVE-2017-5391 - CVE House

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Status published Critical CVE-2017-5391

Special "about:" pages used by web content, such as RSS...

9.8 CVSS

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

More from Mozilla

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Memory safety bugs fixed in Firefox 142 and Thunderbird 142

Spoofing issue in the Address Bar component of Firefox Focus for Android

Memory safety bugs fixed in Firefox ESR 115.27, Firefox ESR 128.14, Thunderbird ESR 128.14, Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142

Memory safety bugs fixed in Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142

Spoofing issue in the Address Bar component

Affected Vendor

Mozilla

View all reports →

Affected Software

Firefox

Vulnerable Versions:

unspecified

Timeline

Official Publish: June 11th, 2018

Last Modified: August 5th, 2024

Added to House: July 20th, 2026

CVSS Vectors

V3: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.