CVE-2018-1999010

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-14. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 3%CVSS: 9.8Exploit: NoneExposed: 0

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

FFmpeg before commit cced03dd667a5df6df8fd40d8de0bff477ee02e8 contains multiple out of array access vulnerabilities in the mms protocol that can result in attackers accessing out of bound data. This attack appear to be exploitable via network connectivity. This vulnerability appears to have been fixed in cced03dd667a5df6df8fd40d8de0bff477ee02e8 and later.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
50(Track)
EG Risk 50/100SSVC: 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
Severity98% × 45%
Exploitation3% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
86.4%
KEV
Not listed

Published

July 23, 2018

Last Modified

November 21, 2024

Advisory Details (3)

Auto-updated Jun 6, 2026
Patch available. Sources: github_commit.
generic Patch Available

[SECURITY] [DLA 1630-1] libav security update

https://lists.debian.org/debian-lts-announce/2019/01/msg00006.html
github_commit

commit cced03dd667a (FFmpeg/FFmpeg)

Fix landed in FFmpeg/FFmpeg commit cced03dd667a — awaiting tagged release

https://github.com/FFmpeg/FFmpeg/commit/cced03dd667a5df6df8fd40d8de0bff477ee02e8
generic
http://www.securityfocus.com/bid/104896

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 11× in last 7d / 46× 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. 2026-07-23 14:15 UTCEPSS rescore
  2. 2026-07-23 01:35 UTCEG score recompute
  3. 2026-07-22 22:15 UTCEG score recompute
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  8. 2026-07-04 03:26 UTCOSV refresh
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  66. 2026-05-28 04:45 UTCGHSA enrichment
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Frequently asked(5)

What is CVE-2018-1999010?
CVE-2018-1999010 is a critical vulnerability published on July 23, 2018. FFmpeg before commit cced03dd667a5df6df8fd40d8de0bff477ee02e8 contains multiple out of array access vulnerabilities in the mms protocol that can result in attackers accessing out of bound data. This attack appear to be exploitable via network connectivity. This vulnerability appears to have been…
When was CVE-2018-1999010 disclosed?
CVE-2018-1999010 was first published in the National Vulnerability Database on July 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-2018-1999010 actively exploited?
CVE-2018-1999010 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 86.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2018-1999010?
CVE-2018-1999010 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2018-1999010?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-1999010, 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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