CVE-2018-13440 — audiofile: NULL pointer dereference in ModuleState::setup() in modules/ModuleState.cpp allows for denial of service via crafted file

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MEDIUM

audiofile: NULL pointer dereference in ModuleState::setup() in modules/ModuleState.cpp allows for denial of service via crafted file

Published Jul 8, 2018

6.5

MEDIUM

CVSS 3.0

EPSS 3.11%

Description

The audiofile Audio File Library 0.3.6 has a NULL pointer dereference bug in ModuleState::setup in modules/ModuleState.cpp, which allows an attacker to cause a denial of service via a crafted caf file, as demonstrated by sfconvert.

Affected products

Red Hat Enterprise Linux 7

audiofile-1:0.3.6-9.el7

Fixed · RHSA-2020:3877
Red Hat Enterprise Linux 5

audiofile

Not affected
Red Hat Enterprise Linux 6

audiofile

Not affected
Red Hat Enterprise Linux 8

audiofile

Will not fix

Product	Package	State	Advisory
Red Hat Enterprise Linux 7	audiofile-1:0.3.6-9.el7	Fixed	RHSA-2020:3877
Red Hat Enterprise Linux 5	audiofile	Not affected	n/a
Red Hat Enterprise Linux 6	audiofile	Not affected	n/a
Red Hat Enterprise Linux 8	audiofile	Will not fix	n/a

Remediation

Red Hat statement

Red Hat Product Security has rated this issue as having a security impact of Low, and a future update may address this flaw.

Metrics

3.11% 0.03113

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

EPSS probability 0.03113

Score over time

2021–2026

EPSS v1
EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v1
EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (24 key points)

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

Date	Score	Percentile	Model
Oct 1, 2026	3.11% (0.03113)	87.34th	v5 (v2026.06.15)
Jun 15, 2026	3.11% (0.03113)	86.06th	v5 (v2026.06.15)
Jun 7, 2026	5.65% (0.05654)	90.54th	v4 (v2025.03.14)
Jun 6, 2026	8.23% (0.08234)	92.38th	v4 (v2025.03.14)
Jan 18, 2026	6.17% (0.06172)	90.54th	v4 (v2025.03.14)
Nov 21, 2025	9.12% (0.09117)	92.33th	v4 (v2025.03.14)
Nov 18, 2025	7.02% (0.07019)	90.58th	v4 (v2025.03.14)
Aug 31, 2025	9.12% (0.09117)	92.35th	v4 (v2025.03.14)
May 13, 2025	11.51% (0.11507)	93.22th	v4 (v2025.03.14)
Mar 17, 2025	8.02% (0.08016)	91.48th	v4 (v2025.03.14)
Jul 20, 2024	0.10% (0.00095)	40.50th	v3 (v2023.03.01)
May 17, 2024	0.10% (0.00095)	39.84th	v3 (v2023.03.01)
Nov 29, 2023	0.09% (0.00090)	37.97th	v3 (v2023.03.01)
Jul 8, 2023	0.10% (0.00098)	39.86th	v3 (v2023.03.01)
May 8, 2023	0.08% (0.00080)	32.74th	v3 (v2023.03.01)
Mar 7, 2023	0.10% (0.00098)	39.20th	v3 (v2023.03.01)
Mar 6, 2023	0.89% (0.00885)	27.89th	v2 (v2022.01.01)
Sep 10, 2022	0.89% (0.00885)	26.24th	v2 (v2022.01.01)
Apr 1, 2022	0.89% (0.00885)	24.24th	v2 (v2022.01.01)
Feb 4, 2022	0.89% (0.00885)	10.50th	v2 (v2022.01.01)
Feb 3, 2022	0.78% (0.00777)	21.50th	v1
Jan 6, 2022	0.78% (0.00777)	20.90th	v1
Sep 1, 2021	0.78% (0.00777)	50.67th	v1
Apr 14, 2021	0.78% (0.00777)	0.00th	v1

Weaknesses (1)

CWE-476

NULL Pointer Dereference

References (6)

https://access.redhat.com/security/cve/CVE-2018-13440
Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1600367
Issue Tracking
https://github.com/mpruett/audiofile/issues/49
x_refsource_MISCExploitThird Party Advisory
https://nvd.nist.gov/vuln/detail/CVE-2018-13440
https://usn.ubuntu.com/3800-1/
vendor-advisoryx_refsource_UBUNTUThird Party Advisory
https://www.cve.org/CVERecord?id=CVE-2018-13440

Link	Providers	Tags
https://access.redhat.com/security/cve/CVE-2018-13440		Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1600367		Issue Tracking
https://github.com/mpruett/audiofile/issues/49		x_refsource_MISCExploitThird Party Advisory
https://nvd.nist.gov/vuln/detail/CVE-2018-13440
https://usn.ubuntu.com/3800-1/		vendor-advisoryx_refsource_UBUNTUThird Party Advisory
https://www.cve.org/CVERecord?id=CVE-2018-13440