CVE-2021-45928

Public Exploit

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).

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.12%
Third-Party Advisory chromium.org Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libvips/OSV-2021-1055.yaml third party advisory exploit
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=36456 third party advisory issue tracking exploit
https://github.com/libjxl/libjxl/issues/360 patch third party advisory issue tracking
https://github.com/libjxl/libjxl/pull/365 third party advisory patch
https://github.com/libjxl/libjxl/compare/v0.5...v0.6 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-45928?
CVE-2021-45928 has been scored as a medium severity vulnerability.
How to fix CVE-2021-45928?
To fix CVE-2021-45928, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-45928 being actively exploited in the wild?
It is possible that CVE-2021-45928 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.