Libav: Security Vulnerabilities
In Libav through 12.2, there is an invalid memcpy call in the ff_mov_read_stsd_entries function of libavformat/mov.c. Remote attackers could leverage this vulnerability to cause a denial of service (segmentation fault) and program failure with a crafted avi file.
CVSS Score
8.8
EPSS Score
0.005
Published
2018-01-14
In line libavcodec/h264dec.c:500 in libav(v13_dev0), ffmpeg(n3.4), chromium(56 prior Feb 13, 2017), the return value of init_get_bits is ignored and get_ue_golomb(&gb) is called on an uninitialized get_bits context, which causes a NULL deref exception.
CVSS Score
6.5
EPSS Score
0.002
Published
2018-01-03
The vc1_decode_frame function in libavcodec/vc1dec.c in Libav 12.2 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted file.
CVSS Score
6.5
EPSS Score
0.004
Published
2017-12-04
The h264_slice_init function in libavcodec/h264_slice.c in Libav 12.2 allows remote attackers to cause a denial of service (segmentation fault and application crash) via a crafted file.
CVSS Score
6.5
EPSS Score
0.004
Published
2017-12-04
The ff_vc1_mc_4mv_chroma4 function in libavcodec/vc1_mc.c in Libav 12.2 allows remote attackers to cause a denial of service (segmentation fault and application crash) or possibly have unspecified other impact via a crafted file.
CVSS Score
8.8
EPSS Score
0.004
Published
2017-12-04
The ff_free_picture_tables function in libavcodec/mpegpicture.c in Libav 12.2 allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted file, related to vc1_decode_i_blocks_adv.
CVSS Score
8.8
EPSS Score
0.005
Published
2017-12-04
In Libav through 11.11 and 12.x through 12.1, the smacker_decode_tree function in libavcodec/smacker.c does not properly restrict tree recursion, which allows remote attackers to cause a denial of service (bitstream.c:build_table() out-of-bounds read and application crash) via a crafted Smacker stream.
CVSS Score
7.5
EPSS Score
0.007
Published
2017-11-13
There is an illegal address access in the build_table function in libavcodec/bitstream.c of Libav 12.1 that will lead to remote denial of service via crafted input.
CVSS Score
7.5
EPSS Score
0.008
Published
2017-07-27
There is a heap-based buffer overflow in the function hpel_motion in mpegvideo_motion.c in libav 12.1. A crafted input can lead to a remote denial of service attack.
CVSS Score
7.5
EPSS Score
0.004
Published
2017-06-28
libav before 12.1 is vulnerable to an invalid read of size 1 due to NULL pointer dereferencing in the nsv_read_chunk function in libavformat/nsvdec.c.
CVSS Score
9.8
EPSS Score
0.003
Published
2017-05-18