CVE-2026-13587
Full vulnerability record from the local CVENow database.
Description
A vulnerability was found in seladb PcapPlusPlus 25.05. The affected element is the function parse_by_block_type of the file light_pcapng.c of the component LightPcapNg Parser. Performing a manipulation of the argument captured_packet_length results in heap-based buffer overflow. It is possible to initiate the attack remotely. The attack's complexity is rated as high. The exploitability is described as difficult. The exploit has been made public and could be used.
Severity
LOW
CVSS score
2.9
(v4.0)
Vulnerability status
Deferred
Source identifier
Published
2026-06-29 16:16:38.943000
Last modified
2026-10-25 21:10:00.770000
View original CVE JSON
{
"id": "CVE-2026-13587",
"sourceIdentifier": "[email protected]",
"published": "2026-06-29T16:16:38.943",
"lastModified": "2026-10-25T21:10:00.770",
"vulnStatus": "Deferred",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability was found in seladb PcapPlusPlus 25.05. The affected element is the function parse_by_block_type of the file light_pcapng.c of the component LightPcapNg Parser. Performing a manipulation of the argument captured_packet_length results in heap-based buffer overflow. It is possible to initiate the attack remotely. The attack's complexity is rated as high. The exploitability is described as difficult. The exploit has been made public and could be used."
},
{
"lang": "es",
"value": "Una vulnerabilidad fue encontrada en seladb PcapPlusPlus 25.05. El elemento afectado es la función parse_by_block_type del archivo light_pcapng.c del componente LightPcapNg Parser. Realizar una manipulación del argumento captured_packet_length resulta en desbordamiento de búfer basado en montículo. Es posible iniciar el ataque remotamente. La complejidad del ataque es calificada como alta. La explotabilidad se describe como difícil. El exploit ha sido hecho público y podría ser usado."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "seladb",
"product": "PcapPlusPlus",
"cpes": [
"cpe:2.3:a:seladb:pcapplusplus:*:*:*:*:*:*:*:*"
],
"modules": [
"LightPcapNg Parser"
],
"versions": [
{
"version": "25.05",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV40": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "4.0",
"vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/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",
"baseScore": 2.9,
"baseSeverity": "LOW",
"attackVector": "NETWORK",
"attackComplexity": "HIGH",
"attackRequirements": "NONE",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "NONE",
"vulnAvailabilityImpact": "LOW",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"subAvailabilityImpact": "NONE",
"exploitMaturity": "PROOF_OF_CONCEPT",
"confidentialityRequirement": "NOT_DEFINED",
"integrityRequirement": "NOT_DEFINED",
"availabilityRequirement": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"valueDensity": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"providerUrgency": "NOT_DEFINED"
}
}
],
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L",
"baseScore": 3.7,
"baseSeverity": "LOW",
"attackVector": "NETWORK",
"attackComplexity": "HIGH",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "LOW"
},
"exploitabilityScore": 2.2,
"impactScore": 1.4
}
],
"cvssMetricV2": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "2.0",
"vectorString": "AV:N/AC:H/Au:N/C:N/I:N/A:P",
"baseScore": 2.6,
"accessVector": "NETWORK",
"accessComplexity": "HIGH",
"authentication": "NONE",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "PARTIAL"
},
"baseSeverity": "LOW",
"exploitabilityScore": 4.9,
"impactScore": 2.9,
"acInsufInfo": false,
"obtainAllPrivilege": false,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-06-29T17:41:35.368010Z",
"id": "CVE-2026-13587",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-119"
},
{
"lang": "en",
"value": "CWE-122"
}
]
}
],
"references": [
{
"url": "https://github.com/seladb/PcapPlusPlus/",
"source": "[email protected]"
},
{
"url": "https://github.com/seladb/PcapPlusPlus/issues/2149",
"source": "[email protected]"
},
{
"url": "https://github.com/user-attachments/files/28207967/poc.zip",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/cve/CVE-2026-13587",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/submit/844479",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/vuln/374590",
"source": "[email protected]"
},
{
"url": "https://vuldb.com/vuln/374590/cti",
"source": "[email protected]"
}
]
}