NVD security advisory
Security advisory for Speex (libspeex)
CVE-2026-116741
Full advisory details, affected packages, severity context, and original source.
Affected technology
Speex (libspeex)Affected product
Advisory overview
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 references
- https://github.com/xiph/speex
- https://github.com/xiph/speex/blob/Speex-1.2.1/libspeex/bits.c#L177
- https://github.com/xiph/speex/issues/42
- https://gitlab.xiph.org/xiph/speex/-/merge_requests/32
- https://hackmd.io/@haindpwn/speex-bits-read-whole-bytes-oob-write
- https://www.vulncheck.com/advisories/speex-through-1.2.1-out-of-bounds-write-via-speex-bits-read-whole-bytes