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Fencer Vulns
critical 9.3

CVE-2009-0186 json

Integer overflow in libsndfile 1.0.18, as used in Winamp and other products, allows context-dependent attackers to execute arbitrary code v…

published 2009-03-05 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-0195

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.6%
EPSS 3.6% chance of exploitation in 30 days, percentile 89%
public exploits
0
none known

Summary

Integer overflow in libsndfile 1.0.18, as used in Winamp and other products, allows context-dependent attackers to execute arbitrary code via crafted description chunks in a CAF audio file, leading to a heap-based buffer overflow.

Patch / fix

  • libsndfile Debian 14, Debian 13, Debian 12 1.0.19-1

debian advisories DEBIAN-CVE-2009-0186

  • libsndfile openSUSE Tumbleweed 1.0.26-2.4
  • libsndfile-progs openSUSE Tumbleweed 1.0.26-2.4

opensuse advisories openSUSE-SU-2024:10148-1openSUSE-SU-2024:10470-1

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-2009-0186 updated

libsndfile: overflows may lead to execution of arbitrary code

  • 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

3.61% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

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.