liftoff-sr CIPster EtherNet IP Message append out-of-bounds write

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Summary

CVECVE-2026-13592
StatePUBLISHED
AssignerVulDB
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-29 18:16:37 UTC
Updated2026-07-01 15:16:29 UTC
DescriptionA vulnerability was detected in liftoff-sr CIPster up to e8e9dba09bf56962807d3504b783ccdb6287f3e4. Affected by this issue is the function BufWriter::append of the component EtherNet IP Message Handler. Performing a manipulation results in out-of-bounds write. Remote exploitation of the attack is possible. The exploit is now public and may be used. This product follows a rolling release approach for continuous delivery, so version details for affected or updated releases are not provided. The patch is named 3a0159ed43125dcd024a1965f0289cb186bae9ff. To fix this issue, it is recommended to deploy a patch.

Risk And Classification

Primary CVSS: v4.0 5.5 MEDIUM from [email protected]

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/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: 0.003710000 probability, percentile 0.291450000 (date 2026-07-04)

Problem Types: CWE-119 | CWE-787 | CWE-787 Out-of-bounds Write | CWE-119 Memory Corruption

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary5.5MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/C...
4.0CNADECLARED6.9MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
3.1[email protected]Secondary7.3HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
3.1CNADECLARED7.3HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
3.0CNADECLARED7.3HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
2.0[email protected]Secondary7.5AV:N/AC:L/Au:N/C:P/I:P/A:P
2.0CNADECLARED7.5AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C

CVSS v4.0 Breakdown

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

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/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
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

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

CVSS v3.0 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Liftoff-sr CIPster affected e8e9dba09bf56962807d3504b783ccdb6287f3e4 Not specified

References

ReferenceSourceLinkTags
github.com/liftoff-sr/CIPster/issues/48 [email protected] github.com
github.com/liftoff-sr/CIPster [email protected] github.com
github.com/user-attachments/files/28452971/poc.zip [email protected] github.com
vuldb.com/submit/844566 [email protected] vuldb.com
github.com/liftoff-sr/CIPster/commit/3a0159ed43125dcd024a1965f0289cb186b... [email protected] github.com
vuldb.com/vuln/374596/cti [email protected] vuldb.com
vuldb.com/vuln/374596 [email protected] vuldb.com
vuldb.com/cve/CVE-2026-13592 [email protected] vuldb.com
github.com/liftoff-sr/CIPster/issues/48 134c704f-9b21-4f2e-91b3-4a467353bcc0 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: Chuan Wei (en)

CNA: Carnegie (VulDB User) (en)

CNA: Carnegie (VulDB User) (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-06-01T00:00:00.000ZVendor acknowledged
CNA2026-06-01T00:00:00.000ZExploit disclosed
CNA2026-06-29T00:00:00.000ZAdvisory disclosed
CNA2026-06-29T02:00:00.000ZVulDB entry created
CNA2026-06-29T14:09:12.000ZVulDB entry last update
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