CVE-2021-23953 Affecting firefox package, versions <0:78.7.0-2.0.1.el7_9
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Test your applications- Snyk ID SNYK-ORACLE7-FIREFOX-2578115
- published 10 Apr 2022
- disclosed 26 Feb 2021
Introduced: 26 Feb 2021
CVE-2021-23953 Open this link in a new tabHow to fix?
Upgrade Oracle:7 firefox to version 0:78.7.0-2.0.1.el7_9 or higher.
This issue was patched in ELSA-2021-0290.
NVD Description
Note: Versions mentioned in the description apply only to the upstream firefox package and not the firefox package as distributed by Oracle.
See How to fix? for Oracle:7 relevant fixed versions and status.
If a user clicked into a specifically crafted PDF, the PDF reader could be confused into leaking cross-origin information, when said information is served as chunked data. This vulnerability affects Firefox < 85, Thunderbird < 78.7, and Firefox ESR < 78.7.
References
- https://linux.oracle.com/cve/CVE-2021-23953.html
- https://linux.oracle.com/errata/ELSA-2021-0288.html
- https://linux.oracle.com/errata/ELSA-2021-0290.html
- https://linux.oracle.com/errata/ELSA-2021-0297.html
- https://linux.oracle.com/errata/ELSA-2021-0298.html
- https://bugzilla.mozilla.org/show_bug.cgi?id=1683940
- https://www.mozilla.org/security/advisories/mfsa2021-03/
- https://www.mozilla.org/security/advisories/mfsa2021-04/
- https://www.mozilla.org/security/advisories/mfsa2021-05/