janet-lang janet marsh.c unmarshal_one_fiber integer overflow

MITRE NVD CVE.ORG JSON API Print: PDF PDF

Summary

CVECVE-2026-10268
StatePUBLISHED
AssignerVulDB
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-01 17:16:42 UTC
Updated2026-06-01 17:57:16 UTC
DescriptionA weakness has been identified in janet-lang janet up to 1.41.0. This vulnerability affects the function unmarshal_one_fiber of the file src/core/marsh.c. Executing a manipulation can lead to integer overflow. It is possible to launch the attack on the local host. The exploit has been made available to the public and could be used for attacks. This patch is called d9b1d711ea1fde52ac73a82088b512a3e17bad0d. A patch should be applied to remediate this issue.

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

Problem Types: CWE-189 | CWE-190 | CWE-190 Integer Overflow | CWE-189 Numeric Error

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:O/RC:C
3.0CNADECLARED3.3LOWCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
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:OF/RC:C

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:O/RC:C

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Janet-lang Janet affected 1.0 Not specified
CNA Janet-lang Janet affected 1.1 Not specified
CNA Janet-lang Janet affected 1.2 Not specified
CNA Janet-lang Janet affected 1.3 Not specified
CNA Janet-lang Janet affected 1.4 Not specified
CNA Janet-lang Janet affected 1.5 Not specified
CNA Janet-lang Janet affected 1.6 Not specified
CNA Janet-lang Janet affected 1.7 Not specified
CNA Janet-lang Janet affected 1.8 Not specified
CNA Janet-lang Janet affected 1.9 Not specified
CNA Janet-lang Janet affected 1.10 Not specified
CNA Janet-lang Janet affected 1.11 Not specified
CNA Janet-lang Janet affected 1.12 Not specified
CNA Janet-lang Janet affected 1.13 Not specified
CNA Janet-lang Janet affected 1.14 Not specified
CNA Janet-lang Janet affected 1.15 Not specified
CNA Janet-lang Janet affected 1.16 Not specified
CNA Janet-lang Janet affected 1.17 Not specified
CNA Janet-lang Janet affected 1.18 Not specified
CNA Janet-lang Janet affected 1.19 Not specified
CNA Janet-lang Janet affected 1.20 Not specified
CNA Janet-lang Janet affected 1.21 Not specified
CNA Janet-lang Janet affected 1.22 Not specified
CNA Janet-lang Janet affected 1.23 Not specified
CNA Janet-lang Janet affected 1.24 Not specified
CNA Janet-lang Janet affected 1.25 Not specified
CNA Janet-lang Janet affected 1.26 Not specified
CNA Janet-lang Janet affected 1.27 Not specified
CNA Janet-lang Janet affected 1.28 Not specified
CNA Janet-lang Janet affected 1.29 Not specified
CNA Janet-lang Janet affected 1.30 Not specified
CNA Janet-lang Janet affected 1.31 Not specified
CNA Janet-lang Janet affected 1.32 Not specified
CNA Janet-lang Janet affected 1.33 Not specified
CNA Janet-lang Janet affected 1.34 Not specified
CNA Janet-lang Janet affected 1.35 Not specified
CNA Janet-lang Janet affected 1.36 Not specified
CNA Janet-lang Janet affected 1.37 Not specified
CNA Janet-lang Janet affected 1.38 Not specified
CNA Janet-lang Janet affected 1.39 Not specified
CNA Janet-lang Janet affected 1.40 Not specified
CNA Janet-lang Janet affected 1.41.0 Not specified

References

ReferenceSourceLinkTags
vuldb.com/cve/CVE-2026-10268 [email protected] vuldb.com
github.com/janet-lang/janet [email protected] github.com
vuldb.com/vuln/367547 [email protected] vuldb.com
github.com/biniamf/pocs/tree/main/janet-marsh-unmarshal-intovf [email protected] github.com
github.com/janet-lang/janet/issues/1744 [email protected] github.com
github.com/janet-lang/janet/commit/d9b1d711ea1fde52ac73a82088b512a3e17bad0d [email protected] github.com
vuldb.com/submit/825075 [email protected] vuldb.com
vuldb.com/vuln/367547/cti [email protected] vuldb.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: biniam (VulDB User) (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-05-31T00:00:00.000ZAdvisory disclosed
CNA2026-05-31T02:00:00.000ZVulDB entry created
CNA2026-05-31T16:11:48.000ZVulDB entry last update
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