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No exploitation reportedFix available

CVE-2019-20016

No exploitation reported by the sources we read.

  • Published2019-12-27
  • Fixed in0.9
  • WeaknessCWE-787

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2019-12-2702:15CVE publishedNVD

Versions per branch

NVD
Symonics libmysofa
BranchAffectedFixed in
0.9< 0.90.9

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • libmysofaUbuntu:Pro:18.04:LTSall versions · no fixed version listed
  • libmysofaSUSE:Package Hub 15 SP2all versions · fixed in 0.9.1-bp152.4.3.1
  • libmysofaopenSUSE:Leap 15.2all versions · fixed in 0.9.1-lp152.3.3.1
  • libmysofaDebian:14all versions · fixed in 0.9~dfsg0-1
  • libmysofaDebian:13all versions · fixed in 0.9~dfsg0-1
  • libmysofaDebian:12all versions · fixed in 0.9~dfsg0-1

Full record on NVD

Fix

  1. Update Symonics libmysofa to 0.9

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Published
2019-12-27
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-7m36-g6v3-rhwr

Frequently asked questions

What is CVE-2019-20016?

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.

Is CVE-2019-20016 actively exploited?

Active exploitation of CVE-2019-20016 has not been confirmed. Its EPSS score was 2.0% on 2026-11-09, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-20016?

CVE-2019-20016 has a CVSS v3 base score of 6.5 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

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Sources for this record