CVE-2019-20019
An attempted excessive memory allocation was discovered in Mat_VarRead5 in mat5.c in matio 1.5.17.
An attempted excessive memory allocation was discovered in Mat_VarRead5 in mat5.c in matio 1.5.17.
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
An attempted excessive memory allocation was discovered in Mat_VarRead5 in mat5.c in matio 1.5.17.
- Record
CVE-2019-20019- 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-770
- Updated
- 2026-11-02
CVE List No score
An attempted excessive memory allocation was discovered in Mat_VarRead5 in mat5.c in matio 1.5.17.
- Record
CVE-2019-20019- Updated
- 2026-11-02
EUVDEUVD-2019-10575 No score
An attempted excessive memory allocation was discovered in Mat_VarRead5 in mat5.c in matio 1.5.17.
- Record
EUVD-2019-10575- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qvf4-mqvf-rprj No score
An attempted excessive memory allocation was discovered in Mat_VarRead5 in mat5.c in matio 1.5.17.
An attempted excessive memory allocation was discovered in Mat_VarRead5 in mat5.c in matio 1.5.17.
- Record
GHSA-qvf4-mqvf-rprj- Updated
- 2026-11-02
OSV
An attempted excessive memory allocation was discovered in Mat_VarRead5 in mat5.c in matio 1.5.17.
- Record
CVE-2019-20019- 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
OSVDEBIAN-CVE-2019-20019
An attempted excessive memory allocation was discovered in Mat_VarRead5 in mat5.c in matio 1.5.17.
- Record
DEBIAN-CVE-2019-20019- 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
OSVUBUNTU-CVE-2019-20019
An attempted excessive memory allocation was discovered in Mat_VarRead5 in mat5.c in matio 1.5.17.
- Record
UBUNTU-CVE-2019-20019- 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
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
libmatioDebian:12 |
All versions, plus listed versions 1.5.23-21.5.23-2+deb12u11.5.24-11.5.26-11.5.27-1 Show 9 moreShow less1.5.27-21.5.28-11.5.28-21.5.29-11.5.30-11.5.30-21.5.30-31.5.30-41.6.0-1 |
None known |
libmatioDebian:13 |
All versions, plus listed versions 1.5.28-21.5.29-11.5.30-11.5.30-21.5.30-31.5.30-41.6.0-1 |
None known |
libmatioDebian:14 |
All versions, plus listed versions 1.5.28-21.5.29-11.5.30-11.5.30-21.5.30-31.5.30-41.6.0-1 |
None known |
libmatioUbuntu:Pro:14.04:LTS |
All versions, plus listed versions 1.5.1-11.5.2-11.5.2-1ubuntu11.5.2-1ubuntu1+esm1 |
None known |
libmatioUbuntu:Pro:16.04:LTS |
All versions, plus listed versions 1.5.2-3build21.5.3-11.5.3-1ubuntu0.1~esm1 |
None known |
libmatioUbuntu:Pro:18.04:LTS |
All versions, plus listed versions 1.5.10-11.5.11-11.5.11-1ubuntu0.1~esm1 |
None known |
libmatioUbuntu:Pro:20.04:LTS |
All versions, plus listed versions 1.5.13-31.5.17-31.5.17-3ubuntu0.1~esm11.5.17-3ubuntu0.1~esm2 |
None known |
libmatioUbuntu:Pro:22.04:LTS |
All versions, plus listed versions 1.5.19-21.5.21-11.5.21-1ubuntu0.1~esm1 |
None known |
libmatioUbuntu:24.04:LTS |
All versions, plus listed versions 1.5.23-21.5.24-11.5.26-11.5.26-1build11.5.26-1build21.5.26-1build3 |
None known |
libmatioUbuntu:25.10 |
All versions, plus listed versions 1.5.28-1build11.5.28-2 |
None known |
libmatioUbuntu:26.10 |
All versions, plus listed versions 1.5.30-21.5.30-41.5.30-4build1 |
None known |
libmatioUbuntu:26.04:LTS |
All versions, plus listed versions 1.5.28-21.5.29-11.5.30-2 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| 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-2019-20019 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 0.86%, the 58th percentile. No source names a fixed version.