CVE-2020-21723

5.5 mediumEPSS 0.5%

Medium (5.5) in ogg video tools project ogg video tools. EPSS 0.5% chance of exploitation in the next 30 days.

A Segmentation Fault issue discovered StreamSerializer::extractStreams function in streamSerializer.cpp in oggvideotools 0.9.1 allows remote attackers to cause a denial of service (crash) via opening of crafted ogg file.

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: 0.5% chance of exploitation in the next 30 days; higher than 41% of CVEs (scores of 2026-10-31)
CWE: CWE-787
Published: 2023-08-22
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

ogg_video_tools_project:ogg_video_tools

References

https://github.com/xiaoxiongwang/security/tree/master/oggvideotools#segv-occurs-in-function-streamserializerextractstreams-in-streamserializercpp
https://sourceforge.net/p/oggvideotools/bugs/10/
https://github.com/xiaoxiongwang/security/tree/master/oggvideotools#segv-occurs-in-function-streamserializerextractstreams-in-streamserializercpp
https://sourceforge.net/p/oggvideotools/bugs/10/

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