CVE-2018-19841

Name: CVE-2018-19841
Creator: NVD / NIST
Published: 2018-12-04T09:29:00.663+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 2.54%

Last modified Jun 17, 2026

CVE-2018-19841 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. The function WavpackVerifySingleBlock in open_utils.c in libwavpack.a in WavPack through 5.1.0 allows attackers to cause a denial-of-service (out-of-bounds read and application crash) via a crafted WavPack Lossless Audio file, as demonstrated by wvunpack.. EPSS estimates a 2.54% chance of exploitation in the next 30 days.

Description

The function WavpackVerifySingleBlock in open_utils.c in libwavpack.a in WavPack through 5.1.0 allows attackers to cause a denial-of-service (out-of-bounds read and application crash) via a crafted WavPack Lossless Audio file, as demonstrated by wvunpack.

Metrics

CVSS 3.1

5.5/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS Probability

2.54%

83.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-125

Affected Software

Vendor	Product	Versions
Wavpack	Wavpack	<= 5.1.0
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	16.04
Canonical	Ubuntu Linux	18.04
Canonical	Ubuntu Linux	18.10
Fedoraproject	Fedora	28
Fedoraproject	Fedora	29
Fedoraproject	Fedora	30
Fedoraproject	Fedora	31
Opensuse	Leap	15.0
Debian	Debian Linux	9.0

References

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00029.htmlMailing List, Third Party Advisory
http://packetstormsecurity.com/files/155743/Slackware-Security-Advisory-wavpack-Updates.htmlThird Party Advisory, VDB Entry
https://github.com/dbry/WavPack/commit/bba5389dc598a92bdf2b297c3ea34620b6679b5bPatch, Third Party Advisory
https://github.com/dbry/WavPack/issues/54Exploit, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/01/msg00013.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3BLSOEVEKF4VNNVNZ2AN46BJUT4TGVWT/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6CFFFWIWALGQPKINRDW3PRGRD5LOLGZA/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BRWQNE3TH5UF64IKHKKHVCHJHUOVKJUH/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NZGXJUHCGQI6XKLCBUZHXPYIIWMFWA22/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WVVKOBJR5APOB3KWUWJ4UWQHUBZQL6C6/
https://seclists.org/bugtraq/2019/Dec/37Mailing List, Third Party Advisory
https://security.gentoo.org/glsa/202007-19Third Party Advisory
https://usn.ubuntu.com/3839-1/Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00029.htmlMailing List, Third Party Advisory
http://packetstormsecurity.com/files/155743/Slackware-Security-Advisory-wavpack-Updates.htmlThird Party Advisory, VDB Entry
https://github.com/dbry/WavPack/commit/bba5389dc598a92bdf2b297c3ea34620b6679b5bPatch, Third Party Advisory
https://github.com/dbry/WavPack/issues/54Exploit, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/01/msg00013.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3BLSOEVEKF4VNNVNZ2AN46BJUT4TGVWT/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6CFFFWIWALGQPKINRDW3PRGRD5LOLGZA/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BRWQNE3TH5UF64IKHKKHVCHJHUOVKJUH/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NZGXJUHCGQI6XKLCBUZHXPYIIWMFWA22/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WVVKOBJR5APOB3KWUWJ4UWQHUBZQL6C6/
https://seclists.org/bugtraq/2019/Dec/37Mailing List, Third Party Advisory
https://security.gentoo.org/glsa/202007-19Third Party Advisory
https://usn.ubuntu.com/3839-1/Third Party Advisory

Timeline

Published: Dec 4, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-19841?

How severe is CVE-2018-19841?

CVE-2018-19841 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 2.54% probability of exploitation in the next 30 days.

How do I fix CVE-2018-19841?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-19841?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST