The vulnerability of the MACE6 decoder for audio formats in the FFmpeg multimedia library allows a perpetrator to damage memory, cause system failures, or execute arbitrary code.

The vulnerability of the MACE6 decoder for FFmpeg’s multimedia library is related to buffer overflow in dynamic memory. Exploiting this vulnerability can allow a remote attacker to corrupt memory, cause service failures, or execute arbitrary code...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: ffmpeg (UTSA-2026-106170)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-106170 advisory. FFmpeg through 8.1.2, fixed in commit aafb5c6, contains a signed integer overflow vulnerability in the MACE6 audio decoder that allows attackers to corrupt heap memo...

ffmpeg: FFmpeg: Arbitrary code execution via crafted CAF file

A flaw was found in FFmpeg. A remote attacker could exploit a signed integer overflow vulnerability in the MACE6 audio decoder by providing a specially crafted CAF Core Audio Format file. This malicious file manipulates the bytesperpacket value, leading to an undersized memory allocation and a he...

ffmpeg: FFmpeg: Arbitrary code execution via crafted CAF file

A flaw was found in FFmpeg. A remote attacker could exploit a signed integer overflow vulnerability in the MACE6 audio decoder by providing a specially crafted CAF Core Audio Format file. This malicious file manipulates the bytesperpacket value, leading to an undersized memory allocation and a he...

ffmpeg: FFmpeg: Arbitrary code execution via crafted CAF file

A flaw was found in FFmpeg. A remote attacker could exploit a signed integer overflow vulnerability in the MACE6 audio decoder by providing a specially crafted CAF Core Audio Format file. This malicious file manipulates the bytesperpacket value, leading to an undersized memory allocation and a he...

Security update for ffmpeg

This update for ffmpeg fixes the following issues: CVE-2026-64830: heap buffer overflow via VobSub subtitle demuxer bsc1272752. CVE-2026-66039: MACE6 audio decoder heap out-of-bounds write via CAF file bsc1272765. Patch Instructions: To install this SUSE update use the SUSE recommended installati...

SUSE-SU-2026:3552-1 Security update for ffmpeg

This update for ffmpeg fixes the following issues: - CVE-2026-64830: Heap Buffer Overflow via VobSub Subtitle Demuxer bsc1272752. - CVE-2026-66039: MACE6 Audio Decoder Heap Out-of-Bounds Write via CAF File bsc1272765...

JLSEC-2026-1185 FFmpeg through 8.1.2, fixed in commit aafb5c6, contains a signed integer overflow vulnerability...

FFmpeg through 8.1.2, fixed in commit aafb5c6, contains a signed integer overflow vulnerability in the MACE6 audio decoder that allows attackers to corrupt heap memory by supplying a crafted CAF file with a malicious bytesperpacket value. Attackers can craft a CAF file with oversized bytesperpack...

CVE-2026-66039

FFmpeg through 8.1.2, fixed in commit aafb5c6, contains a signed integer overflow vulnerability in the MACE6 audio decoder that allows attackers to corrupt heap memory by supplying a crafted CAF file with a malicious bytesperpacket value. Attackers can craft a CAF file with oversized bytesperpack...

DEBIAN-CVE-2026-66039

FFmpeg through 8.1.2, fixed in commit aafb5c6, contains a signed integer overflow vulnerability in the MACE6 audio decoder that allows attackers to corrupt heap memory by supplying a crafted CAF file with a malicious bytesperpacket value. Attackers can craft a CAF file with oversized bytesperpack...

CVE-2026-66039

FFmpeg through 8.1.2, fixed in commit aafb5c6, contains a signed integer overflow vulnerability in the MACE6 audio decoder that allows attackers to corrupt heap memory by supplying a crafted CAF file with a malicious bytesperpacket value. Attackers can craft a CAF file with oversized bytesperpack...

EUVD-2026-48741

FFmpeg through 8.1.2, fixed in commit aafb5c6, contains a signed integer overflow vulnerability in the MACE6 audio decoder that allows attackers to corrupt heap memory by supplying a crafted CAF file with a malicious bytesperpacket value. Attackers can craft a CAF file with oversized bytesperpack...

CVE-2026-66039

FFmpeg through 8.1.2, fixed in commit aafb5c6, contains a signed integer overflow vulnerability in the MACE6 audio decoder that allows attackers to corrupt heap memory by supplying a crafted CAF file with a malicious bytesperpacket value. Attackers can craft a CAF file with oversized bytesperpack...

CVE-2026-66039

FFmpeg through 8.1.2, fixed in commit aafb5c6, contains a signed integer overflow vulnerability in the MACE6 audio decoder that allows attackers to corrupt heap memory by supplying a crafted CAF file with a malicious bytesperpacket value. Attackers can craft a CAF file with oversized bytesperpack...

CVE-2026-66039

CVE-2026-66039 affects FFmpeg up to 8.1.2 due to a signed integer overflow in the MACE6 audio decoder. An attacker can craft a CAF file with oversized values for bytes_per_packet and frames_per_packet in the desc chunk, triggering an overflow in mace_decode_frame() during output sample count comp...

CVE-2026-66039 FFmpeg MACE6 Audio Decoder Heap Out-of-Bounds Write via CAF File

FFmpeg through 8.1.2, fixed in commit aafb5c6, contains a signed integer overflow vulnerability in the MACE6 audio decoder that allows attackers to corrupt heap memory by supplying a crafted CAF file with a malicious bytesperpacket value. Attackers can craft a CAF file with oversized bytesperpack...

CVE-2026-66039

FFmpeg through 8.1.2, fixed in commit aafb5c6, contains a signed integer overflow vulnerability in the MACE6 audio decoder that allows attackers to corrupt heap memory by supplying a crafted CAF file with a malicious bytesperpacket value. Attackers can craft a CAF file with oversized bytesperpack...

CVE-2026-66039 FFmpeg MACE6 Audio Decoder Heap Out-of-Bounds Write via CAF File

FFmpeg through 8.1.2, fixed in commit aafb5c6, contains a signed integer overflow vulnerability in the MACE6 audio decoder that allows attackers to corrupt heap memory by supplying a crafted CAF file with a malicious bytesperpacket value. Attackers can craft a CAF file with oversized bytesperpack...

PT-2026-64415

Name of the Vulnerable Software and Affected Versions FFmpeg versions prior to 8.1.2 Description The MACE6 audio decoder contains a signed integer overflow that allows heap memory corruption via a crafted CAF file. By providing oversized bytes per packet and frames per packet values in the desc...