CVE-2019-20018
A stack-based buffer over-read was discovered in ReadNextCell in mat5.c in matio 1.5.17.
CVE-2019-20018 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 1.07%, the 65th percentile. Fixed in libmatio 1.5.19-2.
- Severity
- 6.5 MediumCVSS 3.1, NVD
- Exploit chance
- 1.07%EPSS, 65th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
1.5.19-2libmatio +6 more
Description
A stack-based buffer over-read was discovered in ReadNextCell 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
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
libmatioDebian:12 | before 1.5.19-2 | 1.5.19-2 |
libmatioDebian:13 | before 1.5.19-2 | 1.5.19-2 |
libmatioDebian:14 | before 1.5.19-2 | 1.5.19-2 |
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 |
What each source reports
NVD Score used
A stack-based buffer over-read was discovered in ReadNextCell in mat5.c in matio 1.5.17.
- Record
CVE-2019-20018- 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-125
- Updated
- 2026-11-02
CVE ListNo score
A stack-based buffer over-read was discovered in ReadNextCell in mat5.c in matio 1.5.17.
- Record
CVE-2019-20018- Updated
- 2026-11-02
EUVDEUVD-2019-10574No score
A stack-based buffer over-read was discovered in ReadNextCell in mat5.c in matio 1.5.17.
- Record
EUVD-2019-10574- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4jh7-7xmh-98pxNo score
A stack-based buffer over-read was discovered in ReadNextCell in mat5.c in matio 1.5.17.
A stack-based buffer over-read was discovered in ReadNextCell in mat5.c in matio 1.5.17.
- Record
GHSA-4jh7-7xmh-98px- Updated
- 2026-11-02
OSV
A stack-based buffer over-read was discovered in ReadNextCell in mat5.c in matio 1.5.17.
- Record
CVE-2019-20018- 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-2019-20018
A stack-based buffer over-read was discovered in ReadNextCell in mat5.c in matio 1.5.17.
- Record
DEBIAN-CVE-2019-20018- 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-2019-20018
A stack-based buffer over-read was discovered in ReadNextCell in mat5.c in matio 1.5.17.
- Record
UBUNTU-CVE-2019-20018- 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
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.