Avidemux ubuntu 18.0411/11/2023 Integer overflow in matroskademux element in bzip decompression function which causes a segfault, or could cause a heap overwrite, depending on libc and OS. (CVE-2022-1922) - DOS / potential heap overwrite in mkv demuxing using bzip decompression. However, if using a libc implementation that does not use mmap, or if the OS does not support mmap while using libc, then this could result in a heap overwrite. ![]() If the libc uses mmap for large chunks, and the OS supports mmap, then it is just a segfault (because the realloc before the integer overflow will use mremap to reduce the size of the chunk, and it will start to write to unmapped memory). Depending on the libc used, and the underlying OS capabilities, it could be just a segfault or a heap overwrite. Integer overflow in matroskademux element in gst_matroska_decompress_data function which causes a segfault, or could cause a heap overwrite, depending on libc and OS. (CVE-2022-1921) - DOS / potential heap overwrite in mkv demuxing using zlib decompression. Potential for arbitrary code execution through heap overwrite. (CVE-2022-1920) - Integer overflow in avidemux element in gst_avi_demux_invert function which allows a heap overwrite while parsing avi files. ![]() Integer overflow in matroskademux element in gst_matroska_demux_add_wvpk_header function which allows a heap overwrite while parsing matroska files. Description The remote Ubuntu 16.04 ESM / 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5555-1 advisory. Synopsis The remote Ubuntu host is missing one or more security updates.
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