CVE-2009-4835 — 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

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MEDIUM

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

Published May 5, 2010

4.3

MEDIUM

CVSS 2.0

EPSS 1.44%

Description

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.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.44% 0.01444

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.01444

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (12 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	1.44% (0.01444)	72.30th	v5 (v2026.06.15)
Jun 15, 2026	1.44% (0.01444)	69.71th	v5 (v2026.06.15)
Mar 17, 2025	0.37% (0.00371)	56.74th	v4 (v2025.03.14)
Dec 12, 2024	0.14% (0.00143)	51.65th	v3 (v2023.03.01)
May 10, 2024	0.07% (0.00067)	28.68th	v3 (v2023.03.01)
Mar 15, 2024	0.06% (0.00058)	21.63th	v3 (v2023.03.01)
Feb 8, 2024	0.05% (0.00052)	17.40th	v3 (v2023.03.01)
Mar 7, 2023	0.14% (0.00143)	48.34th	v3 (v2023.03.01)
Mar 6, 2023	1.02% (0.01018)	40.69th	v2 (v2022.01.01)
Sep 10, 2022	1.02% (0.01018)	38.88th	v2 (v2022.01.01)
Apr 1, 2022	1.02% (0.01018)	36.86th	v2 (v2022.01.01)
Feb 4, 2022	1.02% (0.01018)	19.50th	v2 (v2022.01.01)

Weaknesses (1)

CWE-189

References (4)

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=530831
x_refsource_CONFIRM
http://secunia.com/advisories/35266
third-party-advisoryx_refsource_SECUNIAVendor Advisory
http://www.securityfocus.com/bid/35126
vdb-entryx_refsource_BID
http://www.vupen.com/english/advisories/2009/1446
vdb-entryx_refsource_VUPENVendor Advisory

Link	Providers	Tags
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=530831		x_refsource_CONFIRM
http://secunia.com/advisories/35266		third-party-advisoryx_refsource_SECUNIAVendor Advisory
http://www.securityfocus.com/bid/35126		vdb-entryx_refsource_BID
http://www.vupen.com/english/advisories/2009/1446		vdb-entryx_refsource_VUPENVendor Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published May 5, 2010

Updated Sep 16, 2024

Reserved May 5, 2010

Link CVE-2009-4835

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2009-4835

Red Hat

Severity n/a

Public date n/a

Links CVE-2009-4835