CVE & CISA-KEV Catalog

CVE-2019-20063

HIGHEPSS 72th pctl
8.8
CVSS v3
NVD

Description

hdf/dataobject.c in libmysofa before 0.8 has an uninitialized use of memory, as demonstrated by mysofa2json.

How to fix

Remediation Available
libmysofaDebian
Fixed in:0.8~dfsg0-1CVE-2019-20063
Fixed in:0.8~dfsg0-1CVE-2019-20063
Fixed in:0.8~dfsg0-1CVE-2019-20063

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Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

1.44%probability of exploitation in 30 days
72ndpercentile

Elevated risk: more likely to be exploited than 72% of all known CVEs.

References

Exploit1
Third-Party Advisory1

Related Vulnerabilities

Other CWE-665 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2022-0847High7.890%KEVFix
CVE-2022-22719High7.570%-Fix
CVE-2020-28019High7.562%-Fix
CVE-2022-46164Critical9.449%-Fix
CVE-2022-37128Critical9.821%--
CVE-2019-14271Critical9.819%-Fix

Common questions

How do I fix CVE-2019-20063?

Upgrade libmysofa on debian 12 to 0.8~dfsg0-1 or later.

Is CVE-2019-20063 being actively exploited?

Not that we know of. CVE-2019-20063 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 1.4% is the estimated probability that it will be exploited in the next 30 days. That is higher than 72% of all scored CVEs.

How severe is CVE-2019-20063?

CVE-2019-20063 has a CVSS v3 base score of 8.8, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2019-20063 affect?

Published advisories record a fix for libmysofa (Debian). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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CVE-2019-20063 severity badge

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-17.