CVE-2019-20016

Name: CVE-2019-20016
Creator: NVD / NIST
Published: 2019-12-27T02:15:10.467+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 1.69%

Last modified Jun 17, 2026

CVE-2019-20016 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. libmysofa before 2019-11-24 does not properly restrict recursive function calls, as demonstrated by reports of stack consumption in readOHDRHeaderMessageDatatype in dataobject.c and directblockRead in fractalhead.c. NOTE: a download of v0.9 after 2019-12-06 should fully remediate this issue.. EPSS estimates a 1.69% chance of exploitation in the next 30 days.

Description

libmysofa before 2019-11-24 does not properly restrict recursive function calls, as demonstrated by reports of stack consumption in readOHDRHeaderMessageDatatype in dataobject.c and directblockRead in fractalhead.c. NOTE: a download of v0.9 after 2019-12-06 should fully remediate this issue.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

1.69%

74.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Symonics	Libmysofa	< 0.9

References

https://github.com/hoene/libmysofa/commit/2e6fac6ab6156dae8e8c6f417741388084b70d6fPatch, Third Party Advisory
https://github.com/hoene/libmysofa/issues/83Exploit, Third Party Advisory
https://github.com/hoene/libmysofa/issues/84Exploit, Third Party Advisory
https://github.com/hoene/libmysofa/commit/2e6fac6ab6156dae8e8c6f417741388084b70d6fPatch, Third Party Advisory
https://github.com/hoene/libmysofa/issues/83Exploit, Third Party Advisory
https://github.com/hoene/libmysofa/issues/84Exploit, Third Party Advisory

Timeline

Published: Dec 27, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-20016?

How severe is CVE-2019-20016?

CVE-2019-20016 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.69% probability of exploitation in the next 30 days.

How do I fix CVE-2019-20016?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-20016?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST