CVE-2021-34067 json
Heap based buffer overflow in tsMuxer 2.6.16 allows attackers to cause a Denial of Service (DoS) by running the application with a crafted…
published 2021-06-23 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-20737
- cvss
- 5.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 57%
- public exploits
- 0
- none known
Summary
Heap based buffer overflow in tsMuxer 2.6.16 allows attackers to cause a Denial of Service (DoS) by running the application with a crafted file.
Patch / fix
- github.com/justdan96/tsMuxer#422 pull request
Exploit prediction
0.83% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/justdan96/tsMuxer/issues/424 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
github.com
/justdan96/tsMuxer/pull/422/files
third-party-advisory
-
github.com
/justdan96/tsMuxer/issues/424
exploit, third-party-advisory
Sources
- CVE List CVE-2021-34067
- NVD CVE-2021-34067
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