CVE-2025-59728 — Heap-buffer-overflow write in FFmpeg MDASH resolve_content_path

Affected: FFmpeg MPEG-DASH

When calculating the content path in handling of MPEG-DASH manifests, there's an out-of-bounds NUL-byte write one byte past the end of the buffer.When we call xmlNodeGetContent below [0], it returns a buffer precisely allocated to match the string length, using strdup internally. If this buffer is not an empty string, it is assigned to root_url at [1].If the last (non-NUL) byte in this buffer is not '/' then we append '/' in-place at [2]. This will write two bytes into the buffer, starting at the last valid byte in the buffer, writing the NUL byte beyond the end of the allocated buffer. We recommend upgrading to version 8.0 or beyond.

USN-7982-1 — ffmpeg vulnerabilities

Affected: Ubuntu:Pro:16.04:LTS: ffmpeg, Ubuntu:Pro:18.04:LTS: ffmpeg, Ubuntu:Pro:20.04:LTS: ffmpeg, Ubuntu:Pro:22.04:LTS: ffmpeg, Ubuntu:Pro:24.04:LTS: ffmpeg, Ubuntu:25.10: ffmpeg

It was discovered that FFmpeg did not correctly handle certain memory operations. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS and Ubuntu 25.10. (CVE-2025-59728)

It was discovered that FFmpeg did not correctly handle certain memory operations. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 22.04 LTS, Ubuntu 24.04 LTS and Ubuntu 25.10. (CVE-2025-59731, CVE-2025-59732)

It was discovered that FFmpeg did not correctly handle certain memory operations. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, Ubuntu 24.04 LTS and Ubuntu 25.10. (CVE-2025-59733)

It was discovered that FFmpeg did not correctly handle certain integer arithmetic operations. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. (CVE-2025-63757)

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CVE-2025-59728 — Heap-buffer-overflow write in FFmpeg MDASH resolve_content_path

USN-7982-1 — ffmpeg vulnerabilities