CVE-2021-36977
MEDIUM
6.5
CVSS Score
Published: July 20, 2021 at 06:48 AM UTC
Updated: June 17, 2026 at 03:59 AM UTC
1 product affected across 1 vendorMatio
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Severity
MEDIUM6.5
Exploit prediction
EPSS 1%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (5)
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31265x_refsource_MISCIssue TrackingThird Party Advisory
Source: [email protected]
https://github.com/HDFGroup/hdf5/issues/272x_refsource_MISCThird Party Advisory
Source: [email protected]
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/matio/OSV-2021-440.yamlx_refsource_MISCIssue TrackingPatchThird Party Advisory
Source: [email protected]
https://github.com/google/oss-fuzz-vulns/commit/37b781ace1b4228fc36483bb7e30c72ea9d4c3d6x_refsource_MISCIssue TrackingThird Party Advisory
Source: [email protected]
https://github.com/google/oss-fuzz/issues/4999CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-787
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