CVE-2021-36977

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.

Category

6.5
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/matio/OSV-2021-440.yaml third party advisory
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31265 third party advisory patch
https://github.com/google/oss-fuzz-vulns/commit/37b781ace1b4228fc36483bb7e30c72ea9d4c3d6 patch third party advisory issue tracking
https://github.com/HDFGroup/hdf5/issues/272 third party advisory issue tracking
https://github.com/google/oss-fuzz/issues/4999 third party advisory issue tracking

Frequently Asked Questions

What is the severity of CVE-2021-36977?
CVE-2021-36977 has been scored as a medium severity vulnerability.
How to fix CVE-2021-36977?
To fix CVE-2021-36977, 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-2021-36977 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-36977 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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