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Ubuntu Security NoticesUSN-8764-1

USN-8764-1: SRT vulnerabilities

It was discovered that SRT did not authenticate certain encryption control messages. A remote attacker could possibly use this issue to downgrade an encrypted connection and inject arbitrary content or interrupt a media stream. (CVE-2026-55868) It was discovered that SRT did not properly validate certain control packets during connection setup and key refresh operations. A remote attacker could possibly use this issue to cause SRT to crash, resulting in a denial of service. (CVE-2026-55869)

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Scope

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Timeline

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  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

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Vulnerabilities

CVEs named in this advisory

CVE-2026-55868View CVSS, KEV, EPSS, and threat contextCVE-2026-55869View CVSS, KEV, EPSS, and threat context
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