CVE-2021-36977
MEDIUMCVSS 6.5/10EPSS 1.50%
Last modified
CVE-2021-36977 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 1.50% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Matio Project | Matio | 1.5.20 |
| Matio Project | Matio | 1.5.21 |
References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31265Patch, Third Party Advisory
- https://github.com/HDFGroup/hdf5/issues/272Issue Tracking, Third Party Advisory
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/matio/OSV-2021-440.yamlThird Party Advisory
- https://github.com/google/oss-fuzz-vulns/commit/37b781ace1b4228fc36483bb7e30c72ea9d4c3d6Issue Tracking, Patch, Third Party Advisory
- https://github.com/google/oss-fuzz/issues/4999Issue Tracking, Third Party Advisory
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31265Patch, Third Party Advisory
- https://github.com/HDFGroup/hdf5/issues/272Issue Tracking, Third Party Advisory
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/matio/OSV-2021-440.yamlThird Party Advisory
- https://github.com/google/oss-fuzz-vulns/commit/37b781ace1b4228fc36483bb7e30c72ea9d4c3d6Issue Tracking, Patch, Third Party Advisory
- https://github.com/google/oss-fuzz/issues/4999Issue Tracking, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2021-36977?
CVE-2021-36977 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.50% probability of exploitation in the next 30 days.
How do I fix CVE-2021-36977?
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-2021-36977?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST