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Fencer Vulns
high 7.5

CVE-2025-52194 json

A buffer overflow vulnerability exists in libsndfile version 1.2.2 and potentially earlier versions when processing malformed IRCAM audio f…

published 2025-08-21 14 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-25491

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 51%
public exploits
0
none known

Summary

A buffer overflow vulnerability exists in libsndfile version 1.2.2 and potentially earlier versions when processing malformed IRCAM audio files. The vulnerability occurs in the ircam_read_header function at src/ircam.c:164 during sample rate processing, leading to memory corruption and potential code execution.

Patch / fix

  • libsndfile openSUSE Tumbleweed 1.2.2-5.1

opensuse advisories openSUSE-SU-2026:10730-1

  • libsndfile Azure Linux 3.0 1.2.2-7

azure linux advisories AZL-66671

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-2025-52194 updated cvss 8.2

libsndfile: buffer overflow when processing crafted IRCAM audio files

  • Red Hat Enterprise Linux 6 libsndfile
    affected: workaround, no fix planned “Do not process untrusted IRCAM audio files with the libsndfile library.”
  • Red Hat Enterprise Linux 7 libsndfile, libsndfile-utils
    not affected: vulnerable code not present
  • Red Hat Enterprise Linux 8 libsndfile, libsndfile-utils Red Hat Enterprise Linux 9 libsndfile, libsndfile-utils
    not affected: component not present
  • Red Hat Enterprise Linux 10 libsndfile
    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
none
Automatable
no
Technical impact
partial
Assessed
14 mo ago

Exploit prediction

0.65% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/libsndfile/libsndfile/issues/1082 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Classification

Weakness
  • CWE-121 Stack-based Buffer Overflow

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.