How severe is CVE-2019-20063?

CVE-2019-20063 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-20063 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-20063?

CVE-2019-20063 affects Symonics Libmysofa. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-20063?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2019-20063 published?

CVE-2019-20063 was published on 2019-12-29 and last updated on 2026-06-17.

CVE-2019-20063

CVE-2019-20063 is a high-severity vulnerability in Symonics Libmysofa with a CVSS 3.x base score of 8.8. 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-665.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-665
Affected product: Symonics Libmysofa
Published: 2019-12-29
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2019-20063?: hdf/dataobject.c in libmysofa before 0.8 has an uninitialized use of memory, as demonstrated by mysofa2json.
How severe is CVE-2019-20063?: CVE-2019-20063 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-20063 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-20063?: CVE-2019-20063 affects Symonics Libmysofa. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-20063?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-20063 published?: CVE-2019-20063 was published on 2019-12-29 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…

All CVEs affecting Symonics Libmysofa →

Other CWE-665 (Improper Initialization) vulnerabilities

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CVE-2021-33635 — Critical (CVSS 9.8): When malicious images are pulled by isula pull, attackers can execute arbitrary code.
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