CVE-2019-20052
A memory leak was discovered in Mat_VarCalloc in mat.c in matio 1.5.17 because SafeMulDims does...
A memory leak was discovered in Mat_VarCalloc in mat.c in matio 1.5.17 because SafeMulDims does not consider the rank==0 case.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
A memory leak was discovered in Mat_VarCalloc in mat.c in matio 1.5.17 because SafeMulDims does not consider the rank==0 case.
- Record
CVE-2019-20052- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Weakness
- CWE-401
- Updated
- 2026-11-02
CVE List No score
A memory leak was discovered in Mat_VarCalloc in mat.c in matio 1.5.17 because SafeMulDims does not consider the rank==0 case.
- Record
CVE-2019-20052- Updated
- 2026-11-02
EUVDEUVD-2019-10608 No score
A memory leak was discovered in Mat_VarCalloc in mat.c in matio 1.5.17 because SafeMulDims does not consider the rank==0 case.
- Record
EUVD-2019-10608- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6hvm-256w-h2qv
A memory leak was discovered in Mat_VarCalloc in mat.c in matio 1.5.17 because SafeMulDims does...
A memory leak was discovered in Mat_VarCalloc in mat.c in matio 1.5.17 because SafeMulDims does not consider the rank==0 case.
- Record
GHSA-6hvm-256w-h2qv- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-401, CWE-772
- Updated
- 2026-11-02
OSV
A memory leak was discovered in Mat_VarCalloc in mat.c in matio 1.5.17 because SafeMulDims does not consider the rank==0 case.
- Record
CVE-2019-20052- CVSS 3.1
- 6.5 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVMGASA-2021-0285 No score
Updated matio packages fix a security vulnerability
A memory leak was discovered in Mat_VarCalloc in mat.c in matio 1.5.17 because SafeMulDims does not consider the rank==0 case (CVE-2019-20052).
- Record
MGASA-2021-0285- Updated
- 2026-11-02
OSVMGASA-2021-0558 No score
Updated matio packages fix security vulnerability
Updated matio packages fix security vulnerability:
A memory leak was discovered in Mat_VarCalloc in mat.c in matio 1.5.17 because SafeMulDims does not consider the rank==0 case (CVE-2019-20052).
- Record
MGASA-2021-0558- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:11040-1 No score
libmatio-devel-1.5.21-1.2 on GA media
These are all security issues fixed in the libmatio-devel-1.5.21-1.2 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:11040-1- Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-20052 is a medium vulnerability (CVSS 6.5) in Matio Project Matio, published December 27, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.08%, the 65th percentile. Fixed in matio 1.5.16-1.2.mga7.