Use After Free Affecting firefox-esr package, versions <52.3.0esr-1
Snyk CVSS
Attack Complexity
Low
Confidentiality
High
Integrity
High
Availability
High
Threat Intelligence
EPSS
0.67% (80th
percentile)
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Test your applications- Snyk ID SNYK-DEBIAN10-FIREFOXESR-354847
- published 11 Jun 2018
- disclosed 11 Jun 2018
Introduced: 11 Jun 2018
CVE-2017-7784 Open this link in a new tabHow to fix?
Upgrade Debian:10
firefox-esr
to version 52.3.0esr-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:10
relevant fixed versions and status.
A use-after-free vulnerability can occur when reading an image observer during frame reconstruction after the observer has been freed. This results in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.