Package : libav Version : 6:11.12-1~deb8u6 CVE ID : CVE-2015-1872 CVE-2017-14058 CVE-2017-1000460 CVE-2018-6392 CVE-2018-1999012 Debian Bug : Several security issues have been corrected in multiple demuxers and decoders of the libav multimedia library. CVE-2015-1872 The ff_mjpeg_decode_sof function in libavcodec/mjpegdec.c did not validate the number of components in a JPEG-LS Start Of Frame segment, which allowed remote attackers to cause a denial of service (out-of-bounds array access) or possibly have unspecified other impact via crafted Motion JPEG data. CVE-2017-14058 The read_data function in libavformat/hls.c did not restrict reload attempts for an insufficient list, which allowed remote attackers to cause a denial of service (infinite loop). CVE-2017-1000460 In get_last_needed_nal() (libavformat/h264.c) the return value of init_get_bits was ignored and get_ue_golomb(&gb) was called on an uninitialized get_bits context, which caused a NULL deref exception. CVE-2018-6392 The filter_slice function in libavfilter/vf_transpose.c allowed remote attackers to cause a denial of service (out-of-array access) via a crafted MP4 file. CVE-2018-1999012 libav contained a CWE-835: Infinite loop vulnerability in pva format demuxer that could result in a vulnerability that allowed attackers to consume excessive amount of resources like CPU and RAM. This attack appeared to be exploitable via specially crafted PVA file had to be provided as input. For Debian 8 "Jessie", these problems have been fixed in version 6:11.12-1~deb8u6. We recommend that you upgrade your libav packages. Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS -- mike gabriel aka sunweaver (Debian Developer) fon: +49 (1520) 1976 148 GnuPG Fingerprint: 9BFB AEE8 6C0A A5FF BF22 0782 9AF4 6B30 2577 1B31 mail: sunweaver@debian.org, http://sunweavers.net
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