CVE-2018-20762

HIGHNVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

Score 7.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-14. NVD baseline CVSS 7.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 7.8Exploit: None knownExposed: 0

A fix is available — apply it.

GPAC version 0.7.1 and earlier has a buffer overflow vulnerability in the cat_multiple_files function in applications/mp4box/fileimport.c when MP4Box is used for a local directory containing crafted filenames.

CVSS v3
7.8
EG Score
7.8(medium)
EG Risk
40(Track)
EG Risk 40/100SSVC: 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
Severity78% × 45%
Exploitation1% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
72%
KEV
Not listed

Published

February 6, 2019

Last Modified

November 21, 2024

References (8)

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulibgpac4 (0.5.2-426-gc5ad4e4+dfsg5-1ubuntu0.1) @ xenial2026-05-27ubuntu

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(2 across 2 ecosystems)
Debian:11(1)
PackageVulnerable rangeFixed inDependents
gpac—0.5.2-426-gc5ad4e4+dfsg5-4.1—
Debian:8(1)
PackageVulnerable rangeFixed inDependents
gpac0.5.0+svn5324~dfsg1-1, 0.5.0+svn5324~dfsg1-1+deb8u10.5.0+svn5324~dfsg1-1+deb8u2—

Weakness Classification(1)

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

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 7× in last 7d / 29× 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 130 total refreshes for this CVE.

  1. 2026-08-20 22:51 UTCEPSS rescore
  2. 2026-08-19 17:00 UTCEPSS rescore
  3. 2026-08-18 13:44 UTCEPSS rescore
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  14. 2026-08-06 06:54 UTCOSV refresh
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  1. 2026-07-24 14:14 UTCEPSS rescore
  2. 2026-07-23 14:15 UTCEPSS rescore
  3. 2026-07-23 01:35 UTCEG score recompute
  4. 2026-07-22 22:15 UTCEG score recompute
  5. 2026-07-22 14:05 UTCEPSS rescore
  6. 2026-07-21 15:22 UTCEPSS rescore
  7. 2026-07-20 23:02 UTCOSV refresh
  8. 2026-07-20 17:04 UTCEPSS rescore
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  10. 2026-07-19 14:28 UTCEPSS rescore
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  19. 2026-07-13 22:27 UTCEPSS rescore
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  21. 2026-07-13 06:10 UTCEPSS rescore
  22. 2026-07-12 05:43 UTCEPSS rescore
  23. 2026-07-11 08:24 UTCEPSS rescore
  24. 2026-07-09 19:06 UTCEPSS rescore
  25. 2026-07-08 15:11 UTCEPSS rescore
  26. 2026-07-07 13:42 UTCEPSS rescore
  27. 2026-07-07 13:42 UTCEPSS rescore
  28. 2026-07-06 16:24 UTCEPSS rescore
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  34. 2026-07-03 18:26 UTCOSV refresh
  35. 2026-07-02 16:54 UTCEPSS rescore
  36. 2026-07-01 15:03 UTCEPSS rescore
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  40. 2026-06-29 14:03 UTCEPSS rescore
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  44. 2026-06-27 03:06 UTCEPSS rescore
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  50. 2026-06-23 21:30 UTCEPSS rescore
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  58. 2026-06-19 19:23 UTCEPSS rescore
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  66. 2026-06-15 17:45 UTCEPSS rescore
  67. 2026-06-15 06:43 UTCOSV refresh
  68. 2026-06-14 23:15 UTCEPSS rescore
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  70. 2026-06-13 22:58 UTCEPSS rescore
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  73. 2026-06-11 13:57 UTCEPSS rescore
  74. 2026-06-10 22:16 UTCEPSS rescore
  75. 2026-06-10 13:19 UTCEPSS rescore

Frequently asked(5)

What is CVE-2018-20762?
CVE-2018-20762 is a high vulnerability published on February 6, 2019. GPAC version 0.7.1 and earlier has a buffer overflow vulnerability in the catmultiplefiles function in applications/mp4box/fileimport.c when MP4Box is used for a local directory containing crafted filenames.
When was CVE-2018-20762 disclosed?
CVE-2018-20762 was first published in the National Vulnerability Database on February 6, 2019, 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-2018-20762 actively exploited?
CVE-2018-20762 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 28.1% of all scored CVEs.
What is the CVSS score of CVE-2018-20762?
CVE-2018-20762 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2018-20762?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-20762, 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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