Use After Free Affecting firefox-esr package, versions <68.6.0esr-1
Snyk CVSS
Attack Complexity
Low
User Interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Threat Intelligence
EPSS
0.81% (82nd
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-FIREFOXESR-559670
- published 10 Mar 2020
- disclosed 25 Mar 2020
Introduced: 10 Mar 2020
CVE-2020-6805 Open this link in a new tabHow to fix?
Upgrade Debian:unstable
firefox-esr
to version 68.6.0esr-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream firefox-esr
package and not the firefox-esr
package as distributed by Debian
.
See How to fix?
for Debian:unstable
relevant fixed versions and status.
When removing data about an origin whose tab was recently closed, a use-after-free could occur in the Quota manager, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 68.6, Firefox < 74, Firefox < ESR68.6, and Firefox ESR < 68.6.
References
- https://security-tracker.debian.org/tracker/CVE-2020-6805
- https://www.mozilla.org/security/advisories/mfsa2020-08/
- https://www.mozilla.org/security/advisories/mfsa2020-09/
- https://www.mozilla.org/security/advisories/mfsa2020-10/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1610880
- https://usn.ubuntu.com/4328-1/
- https://usn.ubuntu.com/4335-1/
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2020-6805