PT-2021-10978 · Speex+8 · Speex+8

Aurorainfinity · Published 2020-06-26 · Updated 2025-12-02 · CVE-2020-23903

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions: Speex version 1.2

Description: A Divide by Zero vulnerability in the function read samples of Speex allows attackers to cause a denial of service (DoS) via a crafted WAV file.

Recommendations: For Speex version 1.2, as a temporary workaround, consider disabling the read samples function until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Divide By Zero

Weakness Enumeration

CWE-369

Related Identifiers

ALSA-2022:7979

ALT-PU-2020-2236

ALT-PU-2024-11507

ALT-PU-2024-16978

ALT-PU-2024-1805

ALT-PU-2024-1811

BDU:2025-16158

CVE-2020-23903

INFSA-2022_7979

MGASA-2021-0550

OESA-2022-1701

OPENSUSE-SU-2021:1538-1

OPENSUSE-SU-2021:3860-1

OPENSUSE-SU-2021_1538-1

OPENSUSE-SU-2021_3860-1

OPENSUSE-SU-2024:11632-1

RHSA-2022:7979

RHSA-2022_7979

RLSA-2022:7979

SUSE-SU-2021:3858-1

SUSE-SU-2021:3860-1

SUSE-SU-2021_3858-1

SUSE-SU-2021_3860-1

USN-5280-1

Affected Products

Alt Linux

Almalinux

Debian

Linuxmint

Red Hat

Rocky Linux

Speex

Suse

Ubuntu

References · 47

• 🔥 https://github.com/xiph/speex/issues/13 · Exploit
• https://osv.dev/vulnerability/ALSA-2022:7979 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:11632-1 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2021:3860-1 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2021-0550.html · Security Note
• https://wiki.astralinux.ru/astra-linux-se47-bulletin-2026-0518SE47 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2020-23903 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R3SEV2ZRR47GSD3M7O5PH4XEJMKJJNG2 · Vendor Advisory
• https://errata.rockylinux.org/RLSA-2022:7979 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-23903 · Security Note
• https://linux.oracle.com/errata/ELSA-2022-7979.html · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2022-1701 · Vendor Advisory
• https://osv.dev/vulnerability/RLSA-2022:7979 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-5280-1 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-16158 · Security Note