How severe is CVE-2019-20016?

CVE-2019-20016 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2019-20016 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-20016?

CVE-2019-20016 affects Symonics Libmysofa. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-20016?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-20016 published?

CVE-2019-20016 was published on 2019-12-27 and last updated on 2026-06-17.

CVE-2019-20016

CVE-2019-20016 is a medium-severity vulnerability in Symonics Libmysofa with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-787.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.3
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Symonics Libmysofa
Published: 2019-12-27
Last modified: 2026-06-17

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.

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.
How severe is CVE-2019-20016?: CVE-2019-20016 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2019-20016 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-20016?: CVE-2019-20016 affects Symonics Libmysofa. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-20016?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-20016 published?: CVE-2019-20016 was published on 2019-12-27 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:symonics:libmysofa:*:*:*:*:*:*:*:*

More vulnerabilities in Symonics Libmysofa

CVE-2021-3756 — Critical (CVSS 9.8): libmysofa is vulnerable to Heap-based Buffer Overflow
CVE-2019-16093 — Critical (CVSS 9.8): Symonics libmysofa 0.7 has an invalid write in readOHDRHeaderMessageDataLayout in hdf/dataobject.c.
CVE-2019-16092 — Critical (CVSS 9.8): Symonics libmysofa 0.7 has a NULL pointer dereference in getHrtf in hrtf/reader.c.
CVE-2019-10672 — Critical (CVSS 9.8): treeRead in hdf/btree.c in libmysofa before 0.7 does not properly validate multiplications and additions.
CVE-2020-36152 — High (CVSS 8.8): Buffer overflow in readDataVar in hdf/dataobject.c in Symonics libmysofa 0.5 - 1.1 allows attackers to execute…
CVE-2020-6860 — High (CVSS 8.8): libmysofa 0.9.1 has a stack-based buffer overflow in readDataVar in hdf/dataobject.c during the reading of a header…

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