CVE-2026-110258

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{"bugzilla": {"description": "org.ow2.asm/asm: OW2 ASM: Denial of Service via excessive memory allocation", "id": "2552308", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2552308"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-770", "details": ["OW2 ASM 3.0 before 9.11 contains an excessive memory allocation vulnerability in Label.addSubroutineRetSuccessors() that fails to enforce the single-RET-per-JSR rule. Attackers can supply a crafted invalid class file with multiple RET instructions for one JSR, triggering a roughly 2 GB allocation that crashes the JVM.", "A flaw was found in OW2 ASM. An attacker could cause a Denial of Service (DoS) by providing a specially crafted, invalid Java class file. Due to improper validation of subroutine instructions, processing the file triggers excessive memory allocation, causing the Java Virtual Machine (JVM) to crash."], "name": "CVE-2026-110258", "package_state": [{"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "maven3.9", "product_name": "Red Hat Hardened Images"}], "public_date": "2026-10-14T14:16:31Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-110258\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-110258\nhttps://asm.ow2.io/versions.html\nhttps://gitlab.ow2.org/asm/asm/-/blob/ASM_9_10_1/asm/src/main/java/org/objectweb/asm/Label.java#L568\nhttps://gitlab.ow2.org/asm/asm/-/commit/4dabfe0aef14f8cccb0617640a4add8fbcc4ed36\nhttps://gitlab.ow2.org/asm/asm/-/merge_requests/458\nhttps://www.vulncheck.com/advisories/ow2-asm-3.0-before-9.11-excessive-memory-allocation-via-multiple-ret-instructions"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[3.0,9.11)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "ASM", "source": "cna", "vendor": "OW2"}, "product": "asm", "vendor": "ow2"}], "created": "2026-10-15T03:00:14.001810+00:00", "updated": "2026-10-20T08:15:11.419777+00:00", "vendors": ["ow2", "ow2$PRODUCT$asm"]}