Out-of-bounds Read Affecting firefox package, versions <0:68.6.0-1.0.1.el7_7
Threat Intelligence
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk ID SNYK-ORACLE7-FIREFOX-2549822
- published 10 Apr 2022
- disclosed 25 Mar 2020
Introduced: 25 Mar 2020
CVE-2020-6806 Open this link in a new tabHow to fix?
Upgrade Oracle:7 firefox to version 0:68.6.0-1.0.1.el7_7 or higher.
This issue was patched in ELSA-2020-0815.
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.
By carefully crafting promise resolutions, it was possible to cause an out-of-bounds read off the end of an array resized during script execution. This could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.6, Firefox < 74, Firefox < ESR68.6, and Firefox ESR < 68.6.
References
- https://linux.oracle.com/cve/CVE-2020-6806.html
- https://linux.oracle.com/errata/ELSA-2020-0815.html
- https://linux.oracle.com/errata/ELSA-2020-0816.html
- https://linux.oracle.com/errata/ELSA-2020-0820.html
- https://linux.oracle.com/errata/ELSA-2020-0905.html
- https://linux.oracle.com/errata/ELSA-2020-0914.html
- https://linux.oracle.com/errata/ELSA-2020-0919.html
- http://packetstormsecurity.com/files/157524/Firefox-js-ReadableStreamCloseInternal-Out-Of-Bounds-Access.html
- https://bugzilla.mozilla.org/show_bug.cgi?id=1612308
- https://usn.ubuntu.com/4328-1/
- https://usn.ubuntu.com/4335-1/
- https://www.mozilla.org/security/advisories/mfsa2020-08/
- https://www.mozilla.org/security/advisories/mfsa2020-09/
- https://www.mozilla.org/security/advisories/mfsa2020-10/