Vulnerability DatabaseCVE-2026-116741
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CVE-2026-116741
Published:October 26, 2026
Updated:October 29, 2026
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.
Related Resources (6)
https://www.vulncheck.com/advisories/speex-through-1.2.1-out-of-bounds-write-via-speex-bits-read-whole-bytes
https://github.com/xiph/speex
https://github.com/xiph/speex/issues/42
https://hackmd.io/@haindpwn/speex-bits-read-whole-bytes-oob-write
https://gitlab.xiph.org/xiph/speex/-/merge_requests/32
https://github.com/xiph/speex/blob/Speex-1.2.1/libspeex/bits.c#L177
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CVSS v4
Base Score:
8.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
LOW
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
HIGH
Weakness Type (CWE)
Out-of-bounds Write
CWE-787
EPSS
Base Score:
0.41