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Fencer Vulns
medium 6.5

CVE-2020-36150 json

Incorrect handling of input data in loudness function in the libmysofa library 0.5 - 1.1 will lead to heap buffer overflow and access to un…

published 2021-02-08 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-23728

cvss
6.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 69%
public exploits
0
none known

Summary

Incorrect handling of input data in loudness function in the libmysofa library 0.5 - 1.1 will lead to heap buffer overflow and access to unallocated memory block.

Patch / fix

  • libmysofa Debian 14, Debian 13, Debian 12 1.2~dfsg0-1

debian advisories DEBIAN-CVE-2020-36150

  • libmysofa Ubuntu 22.04 LTS 1.2~dfsg0-1

ubuntu advisories UBUNTU-CVE-2020-36150

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • libmysofa Package Hub 15 SP2 0.9.1-bp152.4.3.1
  • libmysofa openSUSE Leap 15.2 0.9.1-lp152.3.3.1

opensuse advisories openSUSE-SU-2021:0459-1openSUSE-SU-2021:0444-1

  • libmysofa Arch Linux 1.2-1

arch linux advisories AVG-1547

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2020-36150 updated cvss 6.5

libmysofa: Incorrect handling of input data in loudness function

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.25% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/hoene/libmysofa/issues/135 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.