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OpenAdvisories
High DLA-4440-1 7 CVEs

ffmpeg - security update

Published Jan 16, 2026 · Updated Jan 17, 2026

Fixed packages 1

ReleasePackageFixed in
Debian · 11 ffmpeg 7:4.3.9-0+deb11u2

Vulnerabilities 7

  • High 7.5

    Ffmpeg: null pointer dereference in ffmpeg hls parsing

    A flaw was found in FFmpeg's HLS playlist parsing. This vulnerability allows a denial of service via a maliciously crafted HLS playlist that triggers a null pointer dereference during initialization.

  • High 7.5

    Integer overflow vulnerability in the yuv2ya16_X_c_template function in libswscale/output.c in FFmpeg 8.0.

  • High 7.2
    CVE-2025-9951 Public exploit

    Remote code execution via Heap Buffer Overflow in FFmpeg JPEG2000

    A heap-buffer-overflow write exists in jpeg2000dec FFmpeg which allows an attacker to potentially gain remote code execution or cause denial of service via the channel definition cdef atom of JPEG2000.

  • Medium 6.3

    FFmpeg AAC Encoder aacenc_tns.c ff_aac_search_for_tns stack-based overflow

    A vulnerability, which was classified as critical, was found in FFmpeg up to 7.1. This affects the function ff_aac_search_for_tns of the file libavcodec/aacenc_tns.c of the component AAC Encoder. The manipulation leads to stack-based buffer overflow. It is po…

  • Medium 5.9

    FFmpeg n7.0 has a race condition vulnerability in the VP9 decoder. This could lead to a data race if video encoding par…

  • Medium 5.3

    Ffmpeg: null pointer dereference in firequalizer filter (libavfilter/af_firequalizer.c)

    A NULL pointer dereference vulnerability exists in FFmpeg’s Firequalizer filter (libavfilter/af_firequalizer.c) due to a missing check on the return value of av_malloc_array() in the config_input() function. An attacker could exploit this by tricking a victim…

  • Medium 5.3

    Ffmpeg: null pointer dereference in ffmpeg als decoder (libavcodec/alsdec.c)

    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 …