SB2017012630 - Use-after-free in firefox-esr (Alpine package)
Published: January 26, 2017
Security Bulletin ID
SB2017012630
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-2017-5396)
The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
A use-after-free vulnerability in the Media Decoder when working with media files when some events are fired after the media elements are freed from memory. This vulnerability affects Thunderbird < 45.7, Firefox ESR < 45.7, and Firefox < 51.
Remediation
Install update from vendor's website.