{"schemaVersion":3,"id":"CVE-2024-34250","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"A heap buffer overflow vulnerability was discovered in Bytecode Alliance wasm-micro-runtime v2.0.0 which allows a remote attacker to cause at least a denial of service via the \"wasm_loader_check_br\" function in core/iwasm/interpreter/wasm_loader.c.","dates":{"published":"2024-05-06T00:00:00.000Z","modified":"2024-08-02T02:51:10.896Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":6.2,"severity":"medium","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":6.2,"severity":"medium","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":6.2,"severity":"medium","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00332,"percentile":0.24965,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.00332},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00332,"percentile":0.24965}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00332,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00332,"percentile":0.24965}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[{"id":"GITHUB_BYTECODEALLIANCE_WASM-MICRO-RUNTIME","name":"Wasm Micro Runtime","source":"github","url":"https://github.com/bytecodealliance/wasm-micro-runtime/issues/2726","maturity":"poc","reliabilityScore":0.3,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null}],"exploitCount":1,"weaknesses":[{"id":"CWE-122","name":"Heap-based Buffer Overflow","description":"A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().","type":"weakness","status":"Draft","abstraction":"Variant","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/122.html"}],"affected":[{"vendor":"bytecodealliance","product":"webassembly_micro_runtime","name":"webassembly micro runtime","label":"webassembly_micro_runtime","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"2.0.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"2.0.0","eol":null,"hubHref":"/vendor/bytecodealliance/webassembly_micro_runtime"}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://github.com/bytecodealliance/wasm-micro-runtime/issues/3346","label":"github.com/bytecodealliance/wasm-micro-runtime/issues/3346","hostname":"github.com","tags":["Exploit","Issue Tracking"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-34250","label":"nvd.nist.gov/vuln/detail/CVE-2024-34250","hostname":"nvd.nist.gov","tags":["Oval","Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":["UBUNTU-CVE-2024-34250"]},"timeline":[{"kind":"published","date":"2024-05-06T00:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-02T02:51:10.896Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":35,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T20:20:52.993Z","stale":false,"partial":false}}