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CVE-2026-116741 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://hackmd.io/@haindpwn/cve-2026-116741-speex-bits-read-whole-bytes-oob-write	CISA-ADP
https://github.com/xiph/speex	[email protected]
https://github.com/xiph/speex/blob/Speex-1.2.1/libspeex/bits.c#L177	[email protected]
https://github.com/xiph/speex/issues/42	[email protected]
https://gitlab.xiph.org/xiph/speex/-/merge_requests/32	[email protected]
https://hackmd.io/@haindpwn/speex-bits-read-whole-bytes-oob-write	[email protected]
https://www.vulncheck.com/advisories/speex-through-1.2.1-out-of-bounds-write-via-speex-bits-read-whole-bytes	[email protected]

see all 7 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-787	Out-of-bounds Write	[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

Date	Action	Recorded By
Nov 2, 2026	CVE Modified	CISA-ADP
Oct 26, 2026	New CVE Received	[email protected]