Out-of-bounds write in Libjxl - CVE-2021-45928

 

Out-of-bounds write in Libjxl - CVE-2021-45928

Published: October 23, 2023


Vulnerability identifier: #VU82307
CSH Severity: Low
CVSS v4.0: 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
CVE-ID: CVE-2021-45928
CWE-ID: CWE-787
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Libjxl Project
Affected software:
Libjxl

Detailed vulnerability description

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.


How to mitigate CVE-2021-45928

Install updates from vendor's website.

Sources