CVE-2020-19497
Integer overflow vulnerability in Mat_VarReadNextInfo5 in mat5.c in tbeu matio (aka MAT File I/O...
Integer overflow vulnerability in Mat_VarReadNextInfo5 in mat5.c in tbeu matio (aka MAT File I/O Library) 1.5.17, allows attackers to cause a Denial of Service or possibly other unspecified impacts.
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
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
Integer overflow vulnerability in Mat_VarReadNextInfo5 in mat5.c in tbeu matio (aka MAT File I/O Library) 1.5.17, allows attackers to cause a Denial of Service or possibly other unspecified impacts.
- Record
CVE-2020-19497- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-190
- Updated
- 2026-11-02
CVE List No score
Integer overflow vulnerability in Mat_VarReadNextInfo5 in mat5.c in tbeu matio (aka MAT File I/O Library) 1.5.17, allows attackers to cause a Denial of Service or possibly other unspecified impacts.
- Record
CVE-2020-19497- Updated
- 2026-11-02
EUVDEUVD-2020-11401 No score
Integer overflow vulnerability in Mat_VarReadNextInfo5 in mat5.c in tbeu matio (aka MAT File I/O Library) 1.5.17, allows attackers to cause a Denial of Service or possibly other unspecified impacts.
- Record
EUVD-2020-11401- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6wj5-q7pj-g748 No score
Integer overflow vulnerability in Mat_VarReadNextInfo5 in mat5.c in tbeu matio (aka MAT File I/O...
Integer overflow vulnerability in Mat_VarReadNextInfo5 in mat5.c in tbeu matio (aka MAT File I/O Library) 1.5.17, allows attackers to cause a Denial of Service or possibly other unspecified impacts.
- Record
GHSA-6wj5-q7pj-g748- Weakness
- CWE-190
- Updated
- 2026-11-02
OSV
Integer overflow vulnerability in Mat_VarReadNextInfo5 in mat5.c in tbeu matio (aka MAT File I/O Library) 1.5.17, allows attackers to cause a Denial of Service or possibly other unspecified impacts.
- Record
CVE-2020-19497- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2020-19497
Integer overflow vulnerability in Mat_VarReadNextInfo5 in mat5.c in tbeu matio (aka MAT File I/O Library) 1.5.17, allows attackers to cause a Denial of Service or possibly other unspecified impacts.
- Record
DEBIAN-CVE-2020-19497- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2020-19497
Integer overflow vulnerability in Mat_VarReadNextInfo5 in mat5.c in tbeu matio (aka MAT File I/O Library) 1.5.17, allows attackers to cause a Denial of Service or possibly other unspecified impacts.
- Record
UBUNTU-CVE-2020-19497- CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
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 |
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-2020-19497 is a high vulnerability (CVSS 8.8) in Matio Project Matio, published July 21, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.37%, the 72nd percentile. Fixed in libmatio 1.5.19-2.
References
github.com/tbeu/matio/issues/121
nvd.nist.gov/vuln/detail/CVE-2020-19497
security-tracker.debian.org/tracker/CVE-2020-19497
ubuntu.com/security/CVE-2020-19497
cve.org/CVERecord?id=CVE-2020-19497