SB2020102818 - Out-of-bounds write in mupdf (Alpine package)



SB2020102818 - Out-of-bounds write in mupdf (Alpine package)

Published: October 28, 2020

Security Bulletin ID SB2020102818
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 write (CVE-ID: CVE-2020-26519)

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

Artifex MuPDF before 1.18.0 has a heap based buffer over-write when parsing JBIG2 files allowing attackers to cause a denial of service.


Remediation

Install update from vendor's website.