CVE-2021-45928

Name: CVE-2021-45928
Creator: NVD / NIST
Published: 2022-01-01T01:15:08.367+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.39%

Last modified Jun 17, 2026

CVE-2021-45928 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. libjxl b02d6b9, as used in libvips 8.11 through 8.11.2 and other products, has an out-of-bounds write in jxl::ModularFrameDecoder::DecodeGroup (called from jxl::FrameDecoder::ProcessACGroup and jxl::ThreadPool::RunCallState<jxl::FrameDecoder::ProcessSections).. EPSS estimates a 0.39% chance of exploitation in the next 30 days.

Description

libjxl b02d6b9, as used in libvips 8.11 through 8.11.2 and other products, has an out-of-bounds write in jxl::ModularFrameDecoder::DecodeGroup (called from jxl::FrameDecoder::ProcessACGroup and jxl::ThreadPool::RunCallState<jxl::FrameDecoder::ProcessSections).

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.39%

31.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Libjxl Project	Libjxl	< 0.6.1

References

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=36456Exploit, Issue Tracking, Third Party Advisory
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libvips/OSV-2021-1055.yamlExploit, Third Party Advisory
https://github.com/libjxl/libjxl/compare/v0.5...v0.6Patch, Third Party Advisory
https://github.com/libjxl/libjxl/issues/360Issue Tracking, Patch, Third Party Advisory
https://github.com/libjxl/libjxl/pull/365Patch, Third Party Advisory
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=36456Exploit, Issue Tracking, Third Party Advisory
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libvips/OSV-2021-1055.yamlExploit, Third Party Advisory
https://github.com/libjxl/libjxl/compare/v0.5...v0.6Patch, Third Party Advisory
https://github.com/libjxl/libjxl/issues/360Issue Tracking, Patch, Third Party Advisory
https://github.com/libjxl/libjxl/pull/365Patch, Third Party Advisory

Timeline

Published: Jan 1, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-45928?

How severe is CVE-2021-45928?

CVE-2021-45928 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.39% probability of exploitation in the next 30 days.

How do I fix CVE-2021-45928?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-45928?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST