{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "3.0"
              },
              {
                "fixed": "9.11"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "27979790f50bb16044d19a68754931c9093071d0"
            },
            {
              "fixed": "baeba2ca4e5f8196795340b015ca8b69f39740f5"
            }
          ],
          "repo": "https://gitlab.ow2.org/asm/asm",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-789"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/110xxx/CVE-2026-110258.json"
  },
  "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.",
  "id": "CVE-2026-110258",
  "modified": "2026-10-15T02:30:38.325613349Z",
  "published": "2026-10-14T14:16:31.636Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://asm.ow2.io/versions.html"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/110xxx/CVE-2026-110258.json"
    },
    {
      "type": "PACKAGE",
      "url": "https://gitlab.ow2.org/asm/asm"
    },
    {
      "type": "ARTICLE",
      "url": "https://gitlab.ow2.org/asm/asm/-/blob/ASM_9_10_1/asm/src/main/java/org/objectweb/asm/Label.java#L568"
    },
    {
      "type": "FIX",
      "url": "https://gitlab.ow2.org/asm/asm/-/commit/4dabfe0aef14f8cccb0617640a4add8fbcc4ed36"
    },
    {
      "type": "FIX",
      "url": "https://gitlab.ow2.org/asm/asm/-/merge_requests/458"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-110258"
    },
    {
      "type": "WEB",
      "url": "https://repo1.maven.org/maven2/"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/ow2-asm-3.0-before-9.11-excessive-memory-allocation-via-multiple-ret-instructions"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "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",
      "type": "CVSS_V4"
    }
  ],
  "summary": "OW2 ASM 3.0 before 9.11 Excessive Memory Allocation via Multiple RET Instructions"
}