CVE-2018-14679

Name: CVE-2018-14679
Creator: NVD / NIST
Published: 2018-07-28T23:29:00.25+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 3.31%

Last modified Jun 17, 2026

CVE-2018-14679 is a vulnerability of currently unknown severity. An issue was discovered in mspack/chmd.c in libmspack before 0.7alpha. There is an off-by-one error in the CHM PMGI/PMGL chunk number validity checks, which could lead to denial of service (uninitialized data dereference and application crash).. EPSS estimates a 3.31% chance of exploitation in the next 30 days.

Description

An issue was discovered in mspack/chmd.c in libmspack before 0.7alpha. There is an off-by-one error in the CHM PMGI/PMGL chunk number validity checks, which could lead to denial of service (uninitialized data dereference and application crash).

Metrics

EPSS Probability

3.31%

87.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-193

Affected Software

Vendor	Product	Versions	Update
Cabextract	Libmspack	0.0.20060920	Alpha
Cabextract	Libmspack	0.3	Alpha
Cabextract	Libmspack	0.4	Alpha
Cabextract	Libmspack	0.5	Alpha
Cabextract	Libmspack	0.6	Alpha
Cabextract Project	Cabextract	<= 1.5	—
Canonical	Ubuntu Linux	12.04	—
Canonical	Ubuntu Linux	14.04	—
Canonical	Ubuntu Linux	16.04	—
Canonical	Ubuntu Linux	18.04	—
Debian	Debian Linux	8.0	—
Debian	Debian Linux	9.0	—
Redhat	Ansible Tower	3.3	—
Redhat	Enterprise Linux Desktop	7.0	—
Redhat	Enterprise Linux Server	7.0	—
Redhat	Enterprise Linux Workstation	7.0	—

References

http://www.openwall.com/lists/oss-security/2018/07/26/1Mailing List, Third Party Advisory
http://www.securitytracker.com/id/1041410Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2018:3327Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3505Third Party Advisory
https://bugs.debian.org/904802Issue Tracking, Mailing List, Patch, Third Party Advisory
https://github.com/kyz/libmspack/commit/72e70a921f0f07fee748aec2274b30784e1d312aPatch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/08/msg00007.htmlMailing List, Third Party Advisory
https://security.gentoo.org/glsa/201903-20Third Party Advisory
https://usn.ubuntu.com/3728-1/Third Party Advisory
https://usn.ubuntu.com/3728-2/Third Party Advisory
https://usn.ubuntu.com/3728-3/Third Party Advisory
https://usn.ubuntu.com/3789-2/Third Party Advisory
https://www.debian.org/security/2018/dsa-4260Third Party Advisory
http://www.openwall.com/lists/oss-security/2018/07/26/1Mailing List, Third Party Advisory
http://www.securitytracker.com/id/1041410Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2018:3327Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3505Third Party Advisory
https://bugs.debian.org/904802Issue Tracking, Mailing List, Patch, Third Party Advisory
https://github.com/kyz/libmspack/commit/72e70a921f0f07fee748aec2274b30784e1d312aPatch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/08/msg00007.htmlMailing List, Third Party Advisory
https://security.gentoo.org/glsa/201903-20Third Party Advisory
https://usn.ubuntu.com/3728-1/Third Party Advisory
https://usn.ubuntu.com/3728-2/Third Party Advisory
https://usn.ubuntu.com/3728-3/Third Party Advisory
https://usn.ubuntu.com/3789-2/Third Party Advisory
https://www.debian.org/security/2018/dsa-4260Third Party Advisory

Timeline

Published: Jul 28, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-14679?

How severe is CVE-2018-14679?

Severity scoring for CVE-2018-14679 is pending analysis. The EPSS model estimates a 3.31% probability of exploitation in the next 30 days.

How do I fix CVE-2018-14679?

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-2018-14679?

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

Scan your code now

Source: NVD / NIST