CVE-2021-34069

Name: CVE-2021-34069
Creator: NVD / NIST
Published: 2021-06-23T22:15:08.547+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 0.79%

Last modified Jun 17, 2026

CVE-2021-34069 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. Divide-by-zero bug in tsMuxer 2.6.16 allows attackers to cause a Denial of Service (DoS) by running the application with a crafted file.. EPSS estimates a 0.79% chance of exploitation in the next 30 days.

Description

Divide-by-zero bug in tsMuxer 2.6.16 allows attackers to cause a Denial of Service (DoS) by running the application with a crafted file.

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

0.79%

51.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-369

Affected Software

Vendor	Product	Versions
Tsmuxer Project	Tsmuxer	2.6.16

References

https://github.com/justdan96/tsMuxer/issues/428Exploit, Third Party Advisory
https://github.com/justdan96/tsMuxer/pull/421/filesThird Party Advisory
https://github.com/justdan96/tsMuxer/issues/428Exploit, Third Party Advisory
https://github.com/justdan96/tsMuxer/pull/421/filesThird Party Advisory

Timeline

Published: Jun 23, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-34069?

Divide-by-zero bug in tsMuxer 2.6.16 allows attackers to cause a Denial of Service (DoS) by running the application with a crafted file.

How severe is CVE-2021-34069?

CVE-2021-34069 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.79% probability of exploitation in the next 30 days.

How do I fix CVE-2021-34069?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-34069?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST