Use After Free Affecting firefox-esr package, versions <60.7.0esr-1
Snyk CVSS
Attack Complexity
Low
Confidentiality
High
Integrity
High
Availability
High
Threat Intelligence
EPSS
0.48% (76th
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-DEBIAN12-FIREFOXESR-1546053
- published 22 May 2019
- disclosed 23 Jul 2019
Introduced: 22 May 2019
CVE-2019-9820 Open this link in a new tabHow to fix?
Upgrade Debian:12
firefox-esr
to version 60.7.0esr-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:12
relevant fixed versions and status.
A use-after-free vulnerability can occur in the chrome event handler when it is freed while still in use. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.
References
- https://security-tracker.debian.org/tracker/CVE-2019-9820
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9820
- https://www.mozilla.org/security/advisories/mfsa2019-13/
- https://www.mozilla.org/security/advisories/mfsa2019-14/
- https://www.mozilla.org/security/advisories/mfsa2019-15/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1536405
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2019-9820