What is CVE-2023-45511?

CVE-2023-45511 is a medium-severity vulnerability in Justdan96 Tsmuxer, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 5.5/10. Published 2023-10-12.

How severe is CVE-2023-45511?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2023-45511 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Justdan96 Tsmuxer

CVE-2023-45511

A memory leak in tsMuxer version git-2539d07 allows attackers to cause a Denial of Service (DoS) via a crafted MP4 file.

Published 2023-10-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.003 (16.6th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 17th percentile — 16.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Justdan96 Tsmuxer — versions nightly-2023-10-05-01-55-56

Weakness classification (CWE)

CWE-401 — Missing Release of Memory after Effective Lifetime

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

github.com/justdan96/tsMuxer (Third Party Advisory)
github.com/justdan96/tsMuxer/issues/780 (Exploit, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2023-45511?: CVE-2023-45511 is a medium-severity vulnerability in Justdan96 Tsmuxer, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 5.5/10. Published 2023-10-12.
How severe is CVE-2023-45511?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2023-45511 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.