Advisories

Speex through 1.2.1 Out-of-Bounds Write via speex_bits_read_whole_bytes

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Severity
high
Date
Affecting
  • speex <= 1.2.1

CWE
  • CWE-787 Out-of-bounds Write
CVSS
8.3
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
Credit
HaiND from the Post and Telecommunication Institute of Technology
Description
Speex (libspeex) through 1.2.1 contains an out-of-bounds write vulnerability in speex_bits_read_whole_bytes() in libspeex/bits.c that mishandles length truncation for non-owned SpeexBits buffers. Attackers can stream crafted Speex data into buffers set up with speex_bits_init_buffer() or speex_bits_set_bit_buffer() to corrupt heap or stack memory and crash applications.

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