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Fencer Intel
medium 6.5

CVE-2019-20017 json

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

published 6y ago modified 4mo ago also EUVD-2019-10573

cvss
6.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.9%
EPSS 0.9% chance of exploitation in 30 days, percentile 58%
public exploits
0
none known

Summary

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

Patch / fix

  • libmatio Debian 14, Debian 13, Debian 12 1.5.19-2

debian advisories DEBIAN-CVE-2019-20017

  • matio openSUSE Tumbleweed 1.5.21-1.2

opensuse advisories openSUSE-SU-2024:11040-1

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2019-20017 updated cvss 7.6

matio: stack-based buffer overflow in Mat_VarReadNextInfo5 in mat5.c

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.86% chance of exploitation in the next 30 days, higher than 58% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/tbeu/matio/issues/127 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.