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CVE-2019-20017

A stack-based buffer over-read was discovered in Mat_VarReadNextInfo5 in mat5.c in matio 1.5.17.

6.5 MediumFix available

A stack-based buffer over-read was discovered in Mat_VarReadNextInfo5 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

0.86%Up 0.4 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 6.5

A stack-based buffer over-read was discovered in Mat_VarReadNextInfo5 in mat5.c in matio 1.5.17.

Record
CVE-2019-20017
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:N/A:P
Weakness
CWE-125
Updated
2026-11-02
CVE List No score

A stack-based buffer over-read was discovered in Mat_VarReadNextInfo5 in mat5.c in matio 1.5.17.

Record
CVE-2019-20017
Updated
2026-11-02
EUVDEUVD-2019-10573 No score

A stack-based buffer over-read was discovered in Mat_VarReadNextInfo5 in mat5.c in matio 1.5.17.

Record
EUVD-2019-10573
Updated
2026-11-03
GitHub AdvisoriesGHSA-22j9-38hm-95cq No score

A stack-based buffer over-read was discovered in Mat_VarReadNextInfo5 in mat5.c in matio 1.5.17.

A stack-based buffer over-read was discovered in Mat_VarReadNextInfo5 in mat5.c in matio 1.5.17.

Record
GHSA-22j9-38hm-95cq
Updated
2026-11-02
OSV 6.5

A stack-based buffer over-read was discovered in Mat_VarReadNextInfo5 in mat5.c in matio 1.5.17.

Record
CVE-2019-20017
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2019-20017 6.5

A stack-based buffer over-read was discovered in Mat_VarReadNextInfo5 in mat5.c in matio 1.5.17.

Record
DEBIAN-CVE-2019-20017
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2019-20017 6.5

A stack-based buffer over-read was discovered in Mat_VarReadNextInfo5 in mat5.c in matio 1.5.17.

Record
UBUNTU-CVE-2019-20017
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
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

Affected packages
PackageAffectedFixed
libmatio
Debian:12
 before 1.5.19-2
1.5.19-2
libmatio
Debian:13
 before 1.5.19-2
1.5.19-2
libmatio
Debian:14
 before 1.5.19-2
1.5.19-2
libmatio
Ubuntu: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
libmatio
Ubuntu:Pro:16.04:LTS
 All versions, plus listed versions
1.5.2-3build21.5.3-11.5.3-1ubuntu0.1~esm1
 None known
libmatio
Ubuntu:Pro:18.04:LTS
 All versions, plus listed versions
1.5.10-11.5.11-11.5.11-1ubuntu0.1~esm1
 None known
libmatio
Ubuntu: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
matio
openSUSE:Tumbleweed
From an advisory covering 3 CVEs
 before 1.5.21-1.2
1.5.21-1.2

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2019-20017 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. Fixed in libmatio 1.5.19-2.

References

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