CVE-2018-20095

MEDIUMNVD 6.56.5—
EchelonGraph scoreMEDIUM confidence

Score 6.5 from GitHub Security Advisory published 2022-05-13. NVD baseline CVSS 6.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
6.5
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 6.5Exploit: NoneExposed: 0

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

An issue was discovered in EnsureCapacity in Core/Ap4Array.h in Bento4 1.5.1-627. Crafted MP4 input triggers an attempt at excessive memory allocation, as demonstrated by mp42hls.

CVSS v3
6.5
EG Score
6.5(medium)
EG Risk
34(Track)
EG Risk 34/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity65% × 45%
Exploitation1% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
63.7%
KEV
Not listed

Published

December 12, 2018

Last Modified

November 21, 2024

References (2)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 12× in last 7d / 49× 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.

Showing the most recent 100 of 102 total refreshes for this CVE.

  1. 2026-07-23 01:35 UTCEG score recompute
  2. 2026-07-22 22:15 UTCEG score recompute
  3. 2026-07-22 14:05 UTCEPSS rescore
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Frequently asked(5)

What is CVE-2018-20095?
CVE-2018-20095 is a medium vulnerability published on December 12, 2018. An issue was discovered in EnsureCapacity in Core/Ap4Array.h in Bento4 1.5.1-627. Crafted MP4 input triggers an attempt at excessive memory allocation, as demonstrated by mp42hls.
When was CVE-2018-20095 disclosed?
CVE-2018-20095 was first published in the National Vulnerability Database on December 12, 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-2018-20095 actively exploited?
CVE-2018-20095 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 63.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2018-20095?
CVE-2018-20095 has a CVSS v3 base score of 6.5 (NVD).
How do I remediate CVE-2018-20095?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-20095, 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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