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Ubuntu Security NoticesUSN-8738-1

USN-8738-1: FFmpeg vulnerabilities

It was discovered that FFmpeg incorrectly handled certain video frames when using the hqdn3d filter. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-66036) Adrian Junge discovered that FFmpeg incorrectly handled certain compressed video files. An attacker could possibly use this issue to expose sensitive information. (CVE-2026-66038) Adrian Junge discovered that FFmpeg incorrectly handled certain audio files. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-66039) Adrian Junge discovered that FFmpeg incorrectly handled certain subtitle files. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-70628) Adrian Junge discovered that FFmpeg incorrectly handled certain video files. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2026-70632)

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Scope

What the vendor says is affected

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Timeline

When this advisory changed

  1. Published by Ubuntu

    The publication date reported by the vendor.

  2. Added to SecurityAlert

    We collected the advisory from the official source.

  3. Confirmed at the source

    Our collector saw this advisory during a later source check.

Vulnerabilities

CVEs named in this advisory

CVE-2026-66036View CVSS, KEV, EPSS, and threat contextCVE-2026-66038View CVSS, KEV, EPSS, and threat contextCVE-2026-66039View CVSS, KEV, EPSS, and threat contextCVE-2026-70628View CVSS, KEV, EPSS, and threat contextCVE-2026-70632View CVSS, KEV, EPSS, and threat context
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