How severe is CVE-2020-36149?

CVE-2020-36149 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-2020-36149 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-36149?

CVE-2020-36149 primarily affects Symonics Libmysofa. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-36149?

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

When was CVE-2020-36149 published?

CVE-2020-36149 was published on 2021-02-08 and last updated on 2026-06-17.

CVE-2020-36149

CVE-2020-36149 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-476.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.3
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Symonics Libmysofa
Published: 2021-02-08
Last modified: 2026-06-17

Description

Incorrect handling of input data in changeAttribute function in the libmysofa library 0.5 - 1.1 will lead to NULL pointer dereference and segmentation fault error in case of restrictive memory protection or near NULL pointer overwrite in case of no memory restrictions (e.g. in embedded environments).

Frequently asked questions

What is CVE-2020-36149?: Incorrect handling of input data in changeAttribute function in the libmysofa library 0.5 - 1.1 will lead to NULL pointer dereference and segmentation fault error in case of restrictive memory protection or near NULL pointer overwrite in case of no memory restrictions (e.g. in embedded environments).
How severe is CVE-2020-36149?: CVE-2020-36149 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-2020-36149 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-36149?: CVE-2020-36149 primarily affects Symonics Libmysofa. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-36149?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-36149 published?: CVE-2020-36149 was published on 2021-02-08 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:symonics:libmysofa:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*

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 →

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