MGASA-2021-0495

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MGASA-2021-0495

Summary: Updated ffmpeg packages fix security vulnerability

Details: FFmpeg 4.2 is affected by a Divide By Zero issue via libavcodec/aacpsy.c, which allows a remote malicious user to cause a Denial of Service. (CVE-2020-20446) FFmpeg 4.2 is affected by null pointer dereference passed as argument to libavformat/aviobuf.c, which could cause a Denial of Service. (CVE-2020-20450) FFmpeg 4.2 is affected by a Divide By Zero issue via libavcodec/aaccoder, which allows a remote malicious user to cause a Denial of Service. (CVE-2020-20453) Buffer Overflow vulnerability exists in FFmpeg 4.1 via apng_do_inverse_blend in libavcodec/pngenc.c, which could let a remote malicious user cause a Denial of Service. (CVE-2020-21041) Buffer Overflow vulnerability in FFmpeg 4.2 in mov_write_video_tag due to the out of bounds in libavformat/movenc.c, which could let a remote malicious user obtain sensitive information, cause a Denial of Service, or execute arbitrary code. (CVE-2020-22015) Buffer Overflow vulnerability in FFmpeg 4.2 at convolution_y_10bit in libavfilter/vf_vmafmotion.c, which could let a remote malicious user cause a Denial of Service. (CVE-2020-22019) Buffer Overflow vulnerability in FFmpeg 4.2 at filter_edges function in libavfilter/vf_yadif.c, which could let a remote malicious user cause a Denial of Service. (CVE-2020-22021) A heap-based Buffer Overflow Vulnerability exists FFmpeg 4.2 at libavfilter/vf_vmafmotion.c in convolution_y_8bit, which could let a remote malicious user cause a Denial of Service. (CVE-2020-22033) A Denial of Service vulnerability exists in FFmpeg 4.2 due to a memory leak in avcodec_alloc_context3 at options.c. (CVE-2020-22037) A Denial of Service vulnerability exists in FFmpeg 4.2 due to a memory leak in the ff_v4l2_m2m_create_context function in v4l2_m2m.c. (CVE-2020-22038) A Denial of Service vulnerability exists in FFmpeg 4.2 due to a memory leak is affected by: memory leak in the link_filter_inouts function in libavfilter/graphparser.c. (CVE-2020-22042) libavcodec/dnxhddec.c in FFmpeg 4.4 does not check the return value of the init_vlc function, a similar issue to CVE-2013-0868. (CVE-2021-38114) adts_decode_extradata in libavformat/adtsenc.c in FFmpeg 4.4 does not check the init_get_bits return value, which is a necessary step because the second argument to init_get_bits can be crafted. (CVE-2021-38171) FFmpeg version (git commit de8e6e67e7523e48bb27ac224a0b446df05e1640) suffers from a an assertion failure at src/libavutil/mathematics.c. (CVE-2021-38291)

References: https://advisories.mageia.org/MGASA-2021-0495.html, https://bugs.mageia.org/show_bug.cgi?id=29256, http://ffmpeg.org/security.html, https://lists.suse.com/pipermail/sle-security-updates/2021-July/009140.html, https://lists.opensuse.org/archives/list/[email protected]/thread/MM55YS6XXAKFK3J35CDODMYMAZO6JX3S/, https://lists.opensuse.org/archives/list/[email protected]/thread/RHYNSW2TAJSSTZPOYXQXGZDI6LYBWIT4/, https://lists.opensuse.org/archives/list/[email protected]/thread/UQYGWX5BP3LA5ULPF6C7O7URBPXWRNFJ/, https://www.debian.org/security/2021/dsa-4990