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Critical Denial of Service Vulnerability in FFmpeg Affects Ubuntu 25.10 and 25.04

Critical Denial of Service Vulnerability in FFmpeg Affects Ubuntu 25.10 and 25.04

First seen 25 Nov 2025, 05:25 UTC • •

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ThreatCluster AI
ThreatCluster •March 12, 2026 at 13:27 UTC

A critical vulnerability in FFmpeg affects Ubuntu 25.10 and 25.04, allowing remote attackers to crash the software. The issue arises from improper memory allocation in the ALS audio decoder, which can be exploited if a user opens a specially crafted media file.

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