CVE-2020-23904

5.5 mediumEPSS 0.7%

Medium (5.5) in xiph speex. EPSS 0.7% chance of exploitation in the next 30 days.

A stack buffer overflow in speexenc.c of Speex v1.2 allows attackers to cause a denial of service (DoS) via a crafted WAV file. NOTE: the vendor states "I cannot reproduce it" and it "is a demo program.

Severity

CVSS 3.1

5.5 medium

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 53% of CVEs (scores of 2026-10-31)
CWE: CWE-787
Published: 2021-11-10
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

xiph:speex

References

https://github.com/xiph/speex/issues/14
https://github.com/xiph/speex/issues/14

Check your stack JSON