{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-22188", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-01-06T16:47:17.183Z", "datePublished": "2026-01-07T20:26:13.360Z", "dateUpdated": "2026-07-14T15:53:10.906Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-07-14T15:53:10.906Z" }, "title": "Panda3D <= 1.10.16 Deploy-Stub Stack Exhaustion via Unbounded alloca()", "descriptions": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "The deploy-stub component in Panda3D versions up to and including 1.10.16 contains a denial of service vulnerability due to unbounded stack allocation. The deploy-stub executable allocates argv_copy and argv_copy2 using alloca() based directly on the attacker-controlled argc value without validation. Supplying a large number of command-line arguments can exhaust stack space and propagate uninitialized stack memory into Python interpreter initialization, resulting in a reliable crash and undefined behavior." } ], "value": "The deploy-stub component in Panda3D versions up to and including 1.10.16 contains a denial of service vulnerability due to unbounded stack allocation. The deploy-stub executable allocates argv_copy and argv_copy2 using alloca() based directly on the attacker-controlled argc value without validation. Supplying a large number of command-line arguments can exhaust stack space and propagate uninitialized stack memory into Python interpreter initialization, resulting in a reliable crash and undefined behavior." } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-457", "description": "CWE-457 Use of Uninitialized Variable", "lang": "en", "type": "CWE" } ] }, { "descriptions": [ { "cweId": "CWE-789", "description": "CWE-789 Memory Allocation with Excessive Size Value", "lang": "en", "type": "CWE" } ] } ], "affected": [ { "defaultStatus": "unaffected", "packageURL": "pkg:github/panda3d/panda3d", "product": "Panda3D", "repo": "https://github.com/panda3d/panda3d", "vendor": "Panda3D", "versions": [ { "lessThanOrEqual": "1.10.16", "status": "affected", "version": "0", "versionType": "semver" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:cmu:panda3d:*:*:*:*:*:*:*:*", "versionEndIncluding": "1.10.16" } ] } ] } ], "metrics": [ { "cvssV4_0": { "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "LOCAL", "baseScore": 6.9, "baseSeverity": "MEDIUM", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED" }, "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ] } ], "references": [ { "tags": [ "technical-description", "exploit" ], "url": "https://seclists.org/fulldisclosure/2026/Jan/9" }, { "tags": [ "product" ], "url": "https://www.panda3d.org/" }, { "tags": [ "product" ], "url": "https://github.com/panda3d/panda3d" }, { "tags": [ "third-party-advisory" ], "url": "https://www.vulncheck.com/advisories/panda3d-deploy-stub-stack-exhaustion-via-unbounded-alloca" } ], "credits": [ { "lang": "en", "type": "finder", "value": "Ron Edgerson" } ], "x_generator": { "engine": "Vulnogram 0.5.0" }, "source": { "discovery": "UNKNOWN" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-01-07T21:23:03.715506Z", "id": "CVE-2026-22188", "options": [ { "Exploitation": "poc" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-07T21:23:15.544Z" } } ] } }