Skip to content
Fencer Vulns
medium 5.5

CVE-2020-18781 json

Heap buffer overflow vulnerability in FilePOSIX::read in File.cpp in audiofile 0.3.6 may cause denial-of-service via a crafted wav file, th…

published 2023-08-22 3 y ago modified 2026-06-17 4 mo ago also EUVD-2020-10695

cvss
5.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 21%
public exploits
0
none known

Summary

Heap buffer overflow vulnerability in FilePOSIX::read in File.cpp in audiofile 0.3.6 may cause denial-of-service via a crafted wav file, this bug can be triggered by the executable sfconvert.

Patch / fix

  • audiofile Debian 14, Debian 13, Debian 12 0.3.6-4

debian advisories DEBIAN-CVE-2020-18781

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-2020-18781 updated cvss 5.5

audiofile: a Denial of Service via crafted file

  • Red Hat Enterprise Linux 7 audiofile
    affected: no fix planned “Out of support scope”

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

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.29% chance of exploitation in the next 30 days, higher than 21% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/mpruett/audiofile/issues/56 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

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.