{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-110270",
        "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "state": "PUBLISHED",
        "assignerShortName": "VulnCheck",
        "dateReserved": "2026-10-13T18:55:57.281Z",
        "datePublished": "2026-10-14T14:16:35.587Z",
        "dateUpdated": "2026-10-14T14:16:35.587Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
                "shortName": "VulnCheck",
                "dateUpdated": "2026-10-14T14:16:35.587Z"
            },
            "datePublic": "2026-09-06T00:00:00.000Z",
            "title": "OW2 ASM 3.0 before 9.11 Exponential Memory Allocation in JSRInlinerAdapter",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "OW2 ASM 3.0 before 9.11 contains an uncontrolled memory allocation vulnerability in the asm-commons JSRInlinerAdapter that inlines JSR/RET subroutines without memory or work limits. Attackers can supply a crafted class file with nested subroutines to force O(2^n) memory allocation, causing an OutOfMemoryError that crashes the JVM."
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "lang": "en",
                            "description": "Inefficient Algorithmic Complexity",
                            "cweId": "CWE-407",
                            "type": "CWE"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "OW2",
                    "product": "ASM",
                    "defaultStatus": "unaffected",
                    "versions": [
                        {
                            "version": "3.0",
                            "lessThan": "9.11",
                            "status": "affected",
                            "versionType": "custom"
                        }
                    ],
                    "packageURL": "pkg:maven/org.ow2.asm/asm-commons",
                    "collectionURL": "https://repo1.maven.org/maven2/",
                    "repo": "https://gitlab.ow2.org/asm/asm"
                }
            ],
            "metrics": [
                {
                    "format": "CVSS",
                    "cvssV4_0": {
                        "version": "4.0",
                        "vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
                        "attackVector": "LOCAL",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "privilegesRequired": "NONE",
                        "userInteraction": "PASSIVE",
                        "vulnConfidentialityImpact": "NONE",
                        "vulnIntegrityImpact": "NONE",
                        "vulnAvailabilityImpact": "HIGH",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "subAvailabilityImpact": "NONE",
                        "baseScore": 6.8,
                        "baseSeverity": "MEDIUM"
                    }
                },
                {
                    "format": "CVSS",
                    "cvssV3_1": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
                        "attackVector": "LOCAL",
                        "attackComplexity": "LOW",
                        "privilegesRequired": "NONE",
                        "userInteraction": "REQUIRED",
                        "scope": "UNCHANGED",
                        "confidentialityImpact": "NONE",
                        "integrityImpact": "NONE",
                        "availabilityImpact": "HIGH",
                        "baseScore": 5.5,
                        "baseSeverity": "MEDIUM"
                    }
                }
            ],
            "references": [
                {
                    "url": "https://gitlab.ow2.org/asm/asm/-/merge_requests/466",
                    "tags": [
                        "patch"
                    ]
                },
                {
                    "url": "https://gitlab.ow2.org/asm/asm/-/commit/f2b988af48719f85a274f2a05e37bc55c0cd22a1",
                    "tags": [
                        "patch"
                    ]
                },
                {
                    "url": "https://gitlab.ow2.org/asm/asm/-/blob/ASM_9_10_1/asm-commons/src/main/java/org/objectweb/asm/commons/JSRInlinerAdapter.java#L232",
                    "tags": [
                        "technical-description"
                    ]
                },
                {
                    "url": "https://asm.ow2.io/versions.html",
                    "tags": [
                        "release-notes"
                    ],
                    "name": "ASM 9.11 Release Notes"
                },
                {
                    "name": "VulnCheck Advisory: OW2 ASM 3.0 before 9.11 Exponential Memory Allocation in JSRInlinerAdapter",
                    "tags": [
                        "third-party-advisory"
                    ],
                    "url": "https://www.vulncheck.com/advisories/ow2-asm-3.0-before-9.11-exponential-memory-allocation-in-jsrinlineradapter"
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "Eric Bruneton",
                    "type": "finder"
                }
            ],
            "x_generator": {
                "engine": "vulncheck-endgame"
            }
        }
    }
}