SB2019091163 - Out-of-bounds read in firefox-esr (Alpine package)

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Main Vulnerability Database SB2019091163

SB2019091163 - Out-of-bounds read in firefox-esr (Alpine package)

Published: September 11, 2019 Updated: January 17, 2022

Security Bulletin ID SB2019091163
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

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-2019-15903)

The vulnerability allows a remote attacker to gain access to potentially sensitive information or perform denial of service (DoS) attack.

The vulnerability exists due to a boundary error when processing XML documents within the expat library. A remote attacker can create a specially crafted XML file, pass it to the affected application, trigger out-of-bounds read error and read contents of memory on the system or crash the affected application.


Remediation

Install update from vendor's website.

References