justdan96 tsMuxer hevc.cpp setFPS denial of service

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Summary

CVECVE-2026-7739
StatePUBLISHED
AssignerVulDB
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-04 07:16:02 UTC
Updated2026-05-04 15:17:58 UTC
DescriptionA 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.

Risk And Classification

Primary CVSS: v4.0 1.9 LOW from [email protected]

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS: 0.000130000 probability, percentile 0.020610000 (date 2026-05-05)

Problem Types: CWE-404 | CWE-404 Denial of Service

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary1.9LOWCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/C...
4.0CNADECLARED4.8MEDIUMCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
3.1[email protected]Primary3.3LOWCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
3.1CNADECLARED3.3LOWCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
3.0CNADECLARED3.3LOWCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
2.0[email protected]Secondary1.7AV:L/AC:L/Au:S/C:N/I:N/A:P
2.0CNADECLARED1.7AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR

CVSS v4.0 Breakdown

Attack Vector
Local
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
None
Confidentiality
None
Integrity
None
Availability
Low
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low

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

CVSS v3.0 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Justdan96 TsMuxer affected 2.0 Not specified
CNA Justdan96 TsMuxer affected 2.1 Not specified
CNA Justdan96 TsMuxer affected 2.2 Not specified
CNA Justdan96 TsMuxer affected 2.3 Not specified
CNA Justdan96 TsMuxer affected 2.4 Not specified
CNA Justdan96 TsMuxer affected 2.5 Not specified
CNA Justdan96 TsMuxer affected 2.6 Not specified
CNA Justdan96 TsMuxer affected 2.7.0 Not specified

References

ReferenceSourceLinkTags
vuldb.com/vuln/360914 [email protected] vuldb.com
vuldb.com/submit/807647 [email protected] vuldb.com
github.com/user-attachments/files/16812270/poc1.zip [email protected] github.com
vuldb.com/vuln/360914/cti [email protected] vuldb.com
github.com/justdan96/tsMuxer [email protected] github.com
github.com/justdan96/tsMuxer/issues/895 [email protected] github.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Fantasy (VulDB User) (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-05-03T00:00:00.000ZAdvisory disclosed
CNA2026-05-03T02:00:00.000ZVulDB entry created
CNA2026-05-03T19:18:38.000ZVulDB entry last update
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