SB2019052730 - Use-after-free in firefox-esr (Alpine package)
Published: May 27, 2019
Security Bulletin ID
SB2019052730
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2019-9818)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error in crash generator server. A remote attacker can trick the victim to visit a specially crafted web page, trigger use-after-free error and crash the browser or execute arbitrary code on the target system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
Note: this vulnerability affects only Windows version of Firefox.
Remediation
Install update from vendor's website.