Is CVE-2015-3417 in the CISA KEV catalog?

No. CVE-2015-3417 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2015-3417?

CVE-2015-3417 has a CVSS v2 base score of 6.8 (MEDIUM).

What is the EPSS score for CVE-2015-3417?

CVE-2015-3417 has an EPSS score of 2.57% (83th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2015-3417?

Upgrade ffmpeg on debian 11 to 7:2.6.1-1 or later.

CVE & CISA-KEV Catalog

CVE-2015-3417

MEDIUMEPSS 83th pctl

6.8

CVSS v2

NVD

Description

Use-after-free vulnerability in the ff_h264_free_tables function in libavcodec/h264.c in FFmpeg before 2.3.6 allows remote attackers to cause a denial of service or possibly have unspecified other impact via crafted H.264 data in an MP4 file, as demonstrated by an HTML VIDEO element that references H.264 data.

How to fix

Remediation Available

ffmpegDebian

Fixed in:7:2.6.1-1CVE-2015-3417

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

2.57%probability of exploitation in 30 days

83rdpercentile

Elevated risk: more likely to be exploited than 83% of all known CVEs.

References

Patch1

github.com

Third-Party Advisory4

Other references2

Embed a live status badge for CVE-2015-3417

Markdown

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HTML

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.