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CVE-2017-18189

25
FAUCET Score

CVE-2017-18189 is a denial-of-service vulnerability affecting Sound eXchange (SoX) through version 14.4.2, including its Debian packages. A remote attacker can trigger an infinite loop and NULL pointer dereference by providing a crafted audio header with zero channels in the startread function of xa.c. This vulnerability has a CVSS score of 7.5 (High), indicating it can be exploited over the network with low complexity and without user interaction, leading to a complete loss of availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 14.4.2CPE matchmatch criteria
cpe:2.3:a:sound_exchange_project:sound_exchange:*:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
5.05%
Probability of exploitation in next 30 days
EPSS Percentile
91.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0505 is in the 85th percentile among its peer group of 51,551 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: sox-0:14.4.1-7.el7
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: sox

Vendor Advisories (1)

redhatCVE-2017-18189Low

sox: NULL pointer dereference in startread function in xa.c

Feb 15, 2018

References

access.redhat.com / errata/RHSA-2019:2283
bugs.debian.org / cgi-bin/bugreport.cgi
ExploitIssue TrackingMailing ListThird Party Advisory
lists.debian.org / debian-lts-announce/2019/02/msg00042.html
Mailing ListThird Party Advisory
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/62RARFRXGKPNNFFNVDV7DHJSOKAIZ3CX
lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/EUKFZQSZG2ABMTAMOGBMY7MJNSGEIYTL
public-inbox.org / sox-devel/20171109114554.16297-1-mans%40mansr.com/raw