CVE-2018-14339

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2022-05-13. NVD baseline CVSS 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 4%CVSS: 7.5Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

In Wireshark 2.6.0 to 2.6.1, 2.4.0 to 2.4.7, and 2.2.0 to 2.2.15, the MMSE dissector could go into an infinite loop. This was addressed in epan/proto.c by adding offset and length validation.

CVSS v3
7.5
EG Score
7.5(medium)
EPSS
88.0%
KEV
Not listed

Published

July 19, 2018

Last Modified

November 21, 2024

References (14)

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 11× in last 7d / 40× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-22 22:13 UTCEG score recompute
  2. 2026-07-22 14:04 UTCEPSS rescore
  3. 2026-07-21 15:21 UTCEPSS rescore
  4. 2026-07-21 08:17 UTCOSV refresh
  5. 2026-07-20 17:04 UTCEPSS rescore
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  1. 2026-07-02 16:54 UTCEPSS rescore
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  29. 2026-06-15 15:43 UTCOSV refresh
  30. 2026-06-14 23:14 UTCEPSS rescore
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  52. 2026-05-31 22:29 UTCEPSS rescore
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  54. 2026-05-31 00:14 UTCEPSS rescore
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  56. 2026-05-29 13:41 UTCEPSS rescore
  57. 2026-05-28 13:42 UTCEPSS rescore
  58. 2026-05-28 13:42 UTCEPSS rescore
  59. 2026-05-28 04:57 UTCEG score recompute
  60. 2026-05-28 04:57 UTCGHSA enrichment
  61. 2026-05-27 13:38 UTCEPSS rescore
  62. 2026-05-27 13:38 UTCEPSS rescore
  63. 2026-05-26 13:42 UTCEPSS rescore
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  65. 2026-05-26 07:17 UTCEPSS rescore
  66. 2026-05-26 07:17 UTCEPSS rescore
  67. 2026-05-24 21:12 UTCOSV refresh

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2018-14339?
CVE-2018-14339 is a high vulnerability published on July 19, 2018. In Wireshark 2.6.0 to 2.6.1, 2.4.0 to 2.4.7, and 2.2.0 to 2.2.15, the MMSE dissector could go into an infinite loop. This was addressed in epan/proto.c by adding offset and length validation.
When was CVE-2018-14339 disclosed?
CVE-2018-14339 was first published in the National Vulnerability Database on July 19, 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-2018-14339 actively exploited?
CVE-2018-14339 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 88.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2018-14339?
CVE-2018-14339 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2018-14339?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-14339, 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.

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