CVE-2020-23903

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-11-10 · updated 2026-06-17
Weakness: CWE-369

Description

A Divide by Zero vulnerability in the function static int read_samples of Speex v1.2 allows attackers to cause a denial of service (DoS) via a crafted WAV file.

Affected products

Fedoraproject Fedora: 34, 35
Xiph Speex: 1.2

References

https://github.com/xiph/speex/issues/13
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LXCRAYNW5ESCE2PIGTUXZNZHNYFLJ6PX/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R3SEV2ZRR47GSD3M7O5PH4XEJMKJJNG2/
https://github.com/xiph/speex/issues/13
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LXCRAYNW5ESCE2PIGTUXZNZHNYFLJ6PX/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R3SEV2ZRR47GSD3M7O5PH4XEJMKJJNG2/

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