What is CVE-2018-13440?

CVE-2018-13440 is a medium-severity vulnerability in Audiofile, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2018-07-08.

How severe is CVE-2018-13440?

Medium severity. CVSS v3 base score is 6.5 out of 10.

NULL pointer dereference in Audiofile

CVE-2018-13440

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.

Published 2018-07-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.031 (87.3th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.031 · newest: 0.031 · change: 0.000

Affected products

Audiofile — versions 0.3.6
Canonical Ubuntu Linux — versions 14.04

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

github.com/mpruett/audiofile/issues/49 (Exploit, Third Party Advisory)
usn.ubuntu.com/3800-1/ (vendor-advisory, Third Party Advisory)

Frequently asked questions

What is CVE-2018-13440?: CVE-2018-13440 is a medium-severity vulnerability in Audiofile, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2018-07-08.
How severe is CVE-2018-13440?: Medium severity. CVSS v3 base score is 6.5 out of 10.