Use-After-Free Vulnerability in No-Chicken/Echo-Mate

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Summary

CVECVE-2026-4737
StatePUBLISHED
AssignerGovTech CSG
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-03-24 04:17:27 UTC
Updated2026-04-30 15:54:12 UTC
DescriptionUse After Free vulnerability in No-Chicken Echo-Mate (‎SDK/rv1106-sdk/sysdrv/source/kernel/mm modules). This vulnerability is associated with program files rmap.C‎. This issue affects Echo-Mate: before V250329.

Risk And Classification

Primary CVSS: v4.0 7.3 HIGH from [email protected]

CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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:N/AU:N/R:U/V:D/RE:L/U:Amber

EPSS: 0.000180000 probability, percentile 0.048950000 (date 2026-05-05)

Problem Types: CWE-416 | CWE-416 CWE-416 Use After Free

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary7.3HIGHCVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/C...
4.0CNACVSS7.3HIGHCVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/S...

CVSS v4.0 Breakdown

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

CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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:N/AU:N/R:U/V:D/RE:L/U:Amber

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA No-Chicken Echo-Mate affected V250329 git Not specified

References

ReferenceSourceLinkTags
github.com/No-Chicken/Echo-Mate/pull/9 [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: TITAN Team ([email protected]) (en)

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