Use After Free Affecting firefox package, versions <0:68.2.0-1.0.1.el7_7
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Test your applications- Snyk ID SNYK-ORACLE7-FIREFOX-2539944
- published 10 Apr 2022
- disclosed 8 Jan 2020
Introduced: 8 Jan 2020
CVE-2019-11757 Open this link in a new tabHow to fix?
Upgrade Oracle:7 firefox to version 0:68.2.0-1.0.1.el7_7 or higher.
This issue was patched in ELSA-2019-3193.
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.
When following the value's prototype chain, it was possible to retain a reference to a locale, delete it, and subsequently reference it. This resulted in a use-after-free and a potentially exploitable crash. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.
References
- https://linux.oracle.com/cve/CVE-2019-11757.html
- https://linux.oracle.com/errata/ELSA-2019-3193.html
- https://linux.oracle.com/errata/ELSA-2019-3196.html
- https://linux.oracle.com/errata/ELSA-2019-3210.html
- https://linux.oracle.com/errata/ELSA-2019-3237.html
- https://linux.oracle.com/errata/ELSA-2019-3281.html
- https://bugzilla.mozilla.org/show_bug.cgi?id=1577107
- https://security.gentoo.org/glsa/202003-10
- https://usn.ubuntu.com/4335-1/
- https://www.mozilla.org/security/advisories/mfsa2019-33/
- https://www.mozilla.org/security/advisories/mfsa2019-34/
- https://www.mozilla.org/security/advisories/mfsa2019-35/