What is CVE-2020-36152?

CVE-2020-36152 is a high-severity vulnerability in Symonics Libmysofa, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2021-02-08.

How severe is CVE-2020-36152?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Symonics Libmysofa

CVE-2020-36152

Buffer overflow in readDataVar in hdf/dataobject.c in Symonics libmysofa 0.5 - 1.1 allows attackers to execute arbitrary code via a crafted SOFA.

Vulnerability class: Buffer Overflow

Published 2021-02-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.023 (82.4th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 82.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: +0.000

Affected products

Symonics Libmysofa
Fedoraproject Fedora — versions 32

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

github.com/hoene/libmysofa/issues/136 (Exploit, Patch, Third Party Advisory)
lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)

Frequently asked questions

What is CVE-2020-36152?: CVE-2020-36152 is a high-severity vulnerability in Symonics Libmysofa, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2021-02-08.
How severe is CVE-2020-36152?: High severity. CVSS v3 base score is 8.8 out of 10.