Buffer overflow in Matio Project
CVE-2021-36977
matio (aka MAT File I/O Library) 1.5.20 and 1.5.21 has a heap-based buffer overflow in H5MM_memcpy (called from H5MM_malloc and H5C_load_entry), related to use of HDF5 1.12.0.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.015 (73.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000
Affected products
- Matio Project — versions 1.5.20, 1.5.21
Weakness classification (CWE)
References
- github.com/google/oss-fuzz-vulns/blob/main/vulns/matio/OSV-2021-440.yaml (Third Party Advisory)
- bugs.chromium.org/p/oss-fuzz/issues/detail (Patch, Third Party Advisory)
- github.com/google/oss-fuzz-vulns/commit/37b781ace1b4228fc36483bb7e30c72ea9d4c3d6 (Patch, Third Party Advisory, Issue Tracking)
- github.com/HDFGroup/hdf5/issues/272 (Third Party Advisory, Issue Tracking)
- github.com/google/oss-fuzz/issues/4999 (Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2021-36977?
- CVE-2021-36977 is a medium-severity vulnerability in Matio Project, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2021-07-20.
- How severe is CVE-2021-36977?
- Medium severity. CVSS v3 base score is 6.5 out of 10.