Vulnerability in Justdan96 Tsmuxer
CVE-2026-7739
A weakness has been identified in justdan96 tsMuxer up to 2.7.0. This vulnerability affects the function HevcVpsUnit::setFPS of the file /AFLplusplus/tsMuxer_prev/tsMuxer/hevc.cpp. This manipulation of the argument track_id causes denial of service. The attack requires local access. The exploit has been made available to the public and could be used for attacks. This vulnerability only affects products that are no longer supported by the maintainer.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.002 (4.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 4.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.001 · newest: 0.002 · change: +0.000
Affected products
- Justdan96 Tsmuxer — versions 2.0, 2.1, 2.2
Weakness classification (CWE)
References
- github.com/justdan96/tsMuxer/ (product)
- github.com/justdan96/tsMuxer/issues/895 (issue-tracking)
- github.com/user-attachments/files/16812270/poc1.zip (exploit)
- vuldb.com/submit/807647 (third-party-advisory)
- vuldb.com/vuln/360914 (technical-description, vdb-entry)
- vuldb.com/vuln/360914/cti (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-7739?
- CVE-2026-7739 is a low-severity vulnerability in Justdan96 Tsmuxer, classified under Improper Resource Shutdown or Release. CVSS score: 3.3/10. Published 2026-05-04.
- How severe is CVE-2026-7739?
- Low severity. CVSS v3 base score is 3.3 out of 10.