SB2020090398 - Out-of-bounds read in firefox-esr (Alpine package)



SB2020090398 - Out-of-bounds read in firefox-esr (Alpine package)

Published: September 3, 2020

Security Bulletin ID SB2020090398
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Out-of-bounds read (CVE-ID: CVE-2018-20175)

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

rdesktop versions up to and including v1.8.3 contains several Integer Signedness errors that lead to Out-Of-Bounds Reads in the file mcs.c and result in a Denial of Service (segfault).


Remediation

Install update from vendor's website.