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Fencer Vulns
high 7.8

CVE-2022-33064 json

An off-by-one error in function wav_read_header in src/wav.c in Libsndfile 1.1.0, results in a write out of bound, which allows an attacker…

published 2023-07-18 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-36121

cvss
7.8
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 27%
public exploits
0
none known

Summary

An off-by-one error in function wav_read_header in src/wav.c in Libsndfile 1.1.0, results in a write out of bound, which allows an attacker to execute arbitrary code, Denial of Service or other unspecified impacts.

Patch / fix

  • libsndfile Azure Linux 3.0 1.2.2-1

azure linux advisories AZL-34939

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

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-2022-33064 updated cvss 8.4

libsndfile: off-by-one error in function wav_read_header in src/wav.c leads to code execution

  • Red Hat Enterprise Linux 8 libsndfile, libsndfile-utils Red Hat Enterprise Linux 9 libsndfile, libsndfile-utils
    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

CISA SSVC

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

Exploit prediction

0.34% chance of exploitation in the next 30 days, higher than 27% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/libsndfile/libsndfile/issues/832 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/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.