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

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Main Vulnerability Database Vulnerabilities #VU82307

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

Published: October 23, 2023


Vulnerability identifier: #VU82307
CSH Severity: Low
CVSS v4: 6.8 [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]
CVE-ID: CVE-2021-45928
CWE-ID: CWE-787
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

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.


Affected software

Libjxl
libvips

How to mitigate CVE-2021-45928

Install updates from vendor's website.

Libjxl - update to 0.6.1
libvips - update to 8.11.3

External References

Related Security Bulletins