SUSE-SU-2018:3609-1

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SUSE-SU-2018:3609-1

Summary: Security update for ffmpeg

Details: This update for ffmpeg fixes the following issues: - CVE-2018-13300: An improper argument passed to the avpriv_request_sample function may have triggered an out-of-array read while converting a crafted AVI file to MPEG4, leading to a denial of service and possibly an information disclosure (bsc#1100348) - CVE-2018-15822: The flv_write_packet function did not check for an empty audio packet, leading to an assertion failure and DoS (bsc#1105869) - CVE-2018-13305: Due to a missing check for negative values of the mquant variable, the vc1_put_blocks_clamped function in libavcodec/vc1_block.c may trigger an out-of-array access while converting a crafted AVI file to MPEG4, leading to an information disclosure or a denial of service. (bsc#1100345). - CVE-2018-12458: An improper integer type in the mpeg4_encode_gop_header function in libavcodec/mpeg4videoenc.c might have triggered an assertion violation while converting a crafted AVI file to MPEG4, leading to a denial of service. (bsc#1097983).

References: https://www.suse.com/support/update/announcement/2018/suse-su-20183609-1/, https://bugzilla.suse.com/1097983, https://bugzilla.suse.com/1100345, https://bugzilla.suse.com/1100348, https://bugzilla.suse.com/1105869, https://www.suse.com/security/cve/CVE-2018-12458, https://www.suse.com/security/cve/CVE-2018-13300, https://www.suse.com/security/cve/CVE-2018-13305, https://www.suse.com/security/cve/CVE-2018-15822