Buffer overflow in Libjxl Project
CVE-2021-45928
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).
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.004 (31.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 31.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/google/oss-fuzz-vulns/blob/main/vulns/libvips/OSV-2021-1055.yaml (Exploit, Third Party Advisory)
- bugs.chromium.org/p/oss-fuzz/issues/detail (Exploit, Third Party Advisory, Issue Tracking)
- github.com/libjxl/libjxl/issues/360 (Patch, Third Party Advisory, Issue Tracking)
- github.com/libjxl/libjxl/pull/365 (Patch, Third Party Advisory)
- github.com/libjxl/libjxl/compare/v0.5...v0.6 (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-45928?
- CVE-2021-45928 is a medium-severity vulnerability in Libjxl Project, classified under Out-of-bounds Write. CVSS score: 5.5/10. Published 2022-01-01.
- How severe is CVE-2021-45928?
- Medium severity. CVSS v3 base score is 5.5 out of 10.