CVE-2018-14682

HIGHNVD 8.8

8.8

An issue was discovered in mspack/chmd.c in libmspack before 0.7alpha. There is an off-by-one error in the TOLOWER() macro for CHM decompression.

CVSS v3: 8.8
EG Score: —
EPSS: 89.2%
KEV: Not listed

Published

July 28, 2018

Last Modified

November 21, 2024

References (26)

cve@mitrehttp://www.openwall.com/lists/oss-security/2018/07/26/1
cve@mitrehttp://www.securitytracker.com/id/1041410
cve@mitrehttps://access.redhat.com/errata/RHSA-2018:3327
cve@mitrehttps://access.redhat.com/errata/RHSA-2018:3505
cve@mitrehttps://bugs.debian.org/904800
cve@mitrehttps://github.com/kyz/libmspack/commit/4fd9ccaa54e1aebde1e4b95fb0163b699fd7bcc8
cve@mitrehttps://lists.debian.org/debian-lts-announce/2018/08/msg00007.html
cve@mitrehttps://security.gentoo.org/glsa/201903-20
cve@mitrehttps://usn.ubuntu.com/3728-1/
cve@mitrehttps://usn.ubuntu.com/3728-2/
cve@mitrehttps://usn.ubuntu.com/3728-3/
cve@mitrehttps://usn.ubuntu.com/3789-2/
cve@mitrehttps://www.debian.org/security/2018/dsa-4260
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2018/07/26/1
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1041410

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-193Off-by-one Error

Data Freshness Timeline

(refreshed 6× in last 7d / 6× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2018-14682?

CVE-2018-14682 is a high vulnerability published on July 28, 2018. An issue was discovered in mspack/chmd.c in libmspack before 0.7alpha. There is an off-by-one error in the TOLOWER() macro for CHM decompression.

When was CVE-2018-14682 disclosed?

CVE-2018-14682 was first published in the National Vulnerability Database on July 28, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2018-14682 actively exploited?

CVE-2018-14682 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 89.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2018-14682?

CVE-2018-14682 has a CVSS v3 base score of 8.8 (NVD).

How do I remediate CVE-2018-14682?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-14682, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2018-14682

📅 Published

🔄 Last Modified

🔗 References (26)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2018-14682?

CVE-2018-14682

📅 Published

🔄 Last Modified

🔗 References (26)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2018-14682?

Published

Last Modified

References (26)

Frequently asked(5)

Published

Last Modified

References (26)

Frequently asked(5)