SB2022010103 - Denial of service in libjxl



SB2022010103 - Denial of service in libjxl

Published: January 1, 2022 Updated: October 23, 2023

Security Bulletin ID SB2022010103
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Out-of-bounds write (CVE-ID: CVE-2021-45928)

CWE-ID: CWE-787 - Out-of-bounds write

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error within the jxl::ModularFrameDecoder::DecodeGroup() function. A local user can trigger an out-of-bounds write and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.