CVE-2023-6601

MEDIUMNVD 4.74.7—Trending — 4 sources updated this week

4.7

A flaw was found in FFmpeg's HLS demuxer. This vulnerability allows bypassing unsafe file extension checks and triggering arbitrary demuxers via base64-encoded data URIs appended with specific file extensions.

CVSS v3: 4.7
EG Score: 4.7(medium)
EPSS: 12.1%
KEV: Not listed

Published

January 6, 2025

Last Modified

November 3, 2025

References (2)

patrick@puiterwijkhttps://bugzilla.redhat.com/show_bug.cgi?id=2253172
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2025/07/msg00004.html

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 11× in last 7d / 11× 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.

2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-30 14:07 UTCEG score recompute
2026-05-30 14:07 UTCGHSA enrichment
2026-05-29 23:42 UTCOSV refresh
2026-05-29 13:43 UTCepss_batch

Frequently asked(5)

What is CVE-2023-6601?

CVE-2023-6601 is a medium vulnerability published on January 6, 2025. A flaw was found in FFmpeg's HLS demuxer. This vulnerability allows bypassing unsafe file extension checks and triggering arbitrary demuxers via base64-encoded data URIs appended with specific file extensions.

When was CVE-2023-6601 disclosed?

CVE-2023-6601 was first published in the National Vulnerability Database on January 6, 2025, with the most recent update on November 3, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-6601 actively exploited?

CVE-2023-6601 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 12.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-6601?

CVE-2023-6601 has a CVSS v3 base score of 4.7 (NVD).

How do I remediate CVE-2023-6601?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-6601, 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-2023-6601

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(2)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-6601?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)