Is CVE-2009-4835 being actively exploited?

CVE-2009-4835 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2009-4835?

CVE-2009-4835 has a CVSS 2.0 base score of 4.3 (MEDIUM).

CVE-2009-4835

MEDIUM · CVSS 4.3EPSS 1.4%EU EUVD

The (1) htk_read_header, (2) alaw_init, (3) ulaw_init, (4) pcm_init, (5) float32_init, and (6) sds_read_header functions in libsndfile 1.0.20 allow context-dependent attackers to cause a denial of service (divide-by-zero error and application crash) via a crafted audio file.

Key facts

CVSS score: 4.3 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:M/Au:N/C:N/I:N/A:P
Weakness (CWE): CWE-189
EPSS score: 1.4% (73th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2009-4798)
Published: May 6, 2010
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2009-4798 in the EU Vulnerability Database. Last updated in EUVD on September 16, 2024.

View on the EU Vulnerability Database

Affected products

mega-nerd / libsndfile

References

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=530831
http://secunia.com/advisories/35266(Vendor Advisory)
http://www.securityfocus.com/bid/35126
http://www.vupen.com/english/advisories/2009/1446(Vendor Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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