CVE-2018-20408

MEDIUMNVD 6.56.5—

6.5

An issue was discovered in Bento4 1.5.1-627. There is a memory leak in AP4_StdcFileByteStream::Create in System/StdC/Ap4StdCFileByteStream.cpp, as demonstrated by mp42hls.

CVSS v3: 6.5
EG Score: 6.5(medium)
EPSS: 54.1%
KEV: Not listed

Published

December 23, 2018

Last Modified

November 21, 2024

References (2)

cve@mitrehttps://github.com/axiomatic-systems/Bento4/issues/343
af854a3a-2127-422b-91ae-364da2661108https://github.com/axiomatic-systems/Bento4/issues/343

Weakness Classification(1)

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

CWE-772Missing Release of Resource after Effective Lifetime

Data Freshness Timeline

(refreshed 8× in last 7d / 8× 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.

2026-05-28 00:00 UTCEG score recompute
2026-05-28 00:00 UTCGHSA enrichment
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-2018-20408?

CVE-2018-20408 is a medium vulnerability published on December 23, 2018. An issue was discovered in Bento4 1.5.1-627. There is a memory leak in AP4_StdcFileByteStream::Create in System/StdC/Ap4StdCFileByteStream.cpp, as demonstrated by mp42hls.

When was CVE-2018-20408 disclosed?

CVE-2018-20408 was first published in the National Vulnerability Database on December 23, 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-2018-20408 actively exploited?

CVE-2018-20408 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 54.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2018-20408?

CVE-2018-20408 has a CVSS v3 base score of 6.5 (NVD).

How do I remediate CVE-2018-20408?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-20408, 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-2018-20408

📅 Published

🔄 Last Modified

🔗 References (2)