CVE-2025-7700
Ffmpeg: null pointer dereference in ffmpeg als decoder (libavcodec/alsdec.c)
CVSS Score
5.3
EPSS Score
0.0%
EPSS Percentile
0th
A flaw was found in FFmpeg’s ALS audio decoder, where it does not properly check for memory allocation failures. This can cause the application to crash when processing certain malformed audio files. While it does not lead to data theft or system control, it can be used to disrupt services and cause a denial of service.
| CWE | CWE-476 |
| Published | Nov 7, 2025 |
| Last Updated | Nov 7, 2025 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
References
Credits
Red Hat would like to thank Jiasheng Jiang for reporting this issue.