Use After Free Affecting firefox package, versions <77.0-1
Snyk CVSS
Attack Complexity
High
User Interaction
Required
Availability
High
Threat Intelligence
EPSS
0.25% (64th
percentile)
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-DEBIANUNSTABLE-FIREFOX-570856
- published 2 Jun 2020
- disclosed 9 Jul 2020
Introduced: 2 Jun 2020
CVE-2020-12405 Open this link in a new tabHow to fix?
Upgrade Debian:unstable
firefox
to version 77.0-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream firefox
package and not the firefox
package as distributed by Debian
.
See How to fix?
for Debian:unstable
relevant fixed versions and status.
When browsing a malicious page, a race condition in our SharedWorkerService could occur and lead to a potentially exploitable crash. This vulnerability affects Thunderbird < 68.9.0, Firefox < 77, and Firefox ESR < 68.9.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2020-12405
- https://security-tracker.debian.org/tracker/CVE-2020-12405
- https://bugzilla.mozilla.org/show_bug.cgi?id=1631618
- https://www.mozilla.org/security/advisories/mfsa2020-20/
- https://www.mozilla.org/security/advisories/mfsa2020-21/
- https://www.mozilla.org/security/advisories/mfsa2020-22/
- https://usn.ubuntu.com/4421-1/