The vulnerability in the implementation of the ParseFromSafeString() function in the DOMParser interface of the Mozilla Firefox browser allows a malicious actor to circumvent security restrictions.

The vulnerability of the ParseFromSafeString function in the DOMParser interface of the Mozilla Firefox browser involves the incorrect creation of duplicate instances of the SystemPrincipal object during the processing of HTML documents. Exploiting this vulnerability could allow a malicious actor...

Code injection

If a Blob URL was loaded through some unusual user interaction, it could have been loaded by the System Principal and granted additional privileges that should not be granted to web content. This vulnerability affects Firefox ESR 78.10, Thunderbird 78.10, and Firefox 88...

CVE-2021-23999

If a Blob URL was loaded through some unusual user interaction, it could have been loaded by the System Principal and granted additional privileges that should not be granted to web content. This vulnerability affects Firefox ESR 78.10, Thunderbird 78.10, and Firefox 88...

CVE-2021-23999

If a Blob URL was loaded through some unusual user interaction, it could have been loaded by the System Principal and granted additional privileges that should not be granted to web content. This vulnerability affects Firefox ESR 78.10, Thunderbird 78.10, and Firefox 88...

Oracle Linux 8 : firefox (ELSA-2021-1360)

The remote Oracle Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2021-1360 advisory. 78.10.0-1.0.1 - Removed Upstream references - Add firefox-oracle-default-prefs.js and remove the corresponding Red Hat file 78.10.0-1 - Update to 78.10...

Mozilla: Blob URLs may have been granted additional privileges

If a Blob URL was loaded through some unusual user interaction, it could have been loaded by the System Principal and granted additional privileges that should not be granted to web content. This vulnerability affects Firefox ESR 78.10, Thunderbird 78.10, and Firefox 88...

Mozilla: Blob URLs may have been granted additional privileges

If a Blob URL was loaded through some unusual user interaction, it could have been loaded by the System Principal and granted additional privileges that should not be granted to web content. This vulnerability affects Firefox ESR 78.10, Thunderbird 78.10, and Firefox 88...

Mozilla: Blob URLs may have been granted additional privileges

If a Blob URL was loaded through some unusual user interaction, it could have been loaded by the System Principal and granted additional privileges that should not be granted to web content. This vulnerability affects Firefox ESR 78.10, Thunderbird 78.10, and Firefox 88...

CVE-2021-23999

If a Blob URL was loaded through some unusual user interaction, it could have been loaded by the System Principal and granted additional privileges that should not be granted to web content. This vulnerability affects Firefox ESR 78.10, Thunderbird 78.10, and Firefox 88...

CVE-2021-23999

If a Blob URL was loaded through some unusual user interaction, it could have been loaded by the System Principal and granted additional privileges that should not be granted to web content. This vulnerability affects Firefox ESR 78.10, Thunderbird 78.10, and Firefox 88...

Mozilla Firefox < 88.0

The version of Firefox installed on the remote macOS or Mac OS X host is prior to 88.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2021-16 advisory. - Mozilla developers and community members Ryan VanderMeulen, Sean Feng, Tyson Smith, Julian Seward, Christian...