{"schema_version":1,"title":"wasm3 (crates.io) vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 5 vulnerabilities in wasm3 (crates.io): 0 in the last 7 days and 0 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2025-6272, was published on 19 June 2025.","url":"https://junglewise.ai/threats/technologies/wasm3","json_url":"https://junglewise.ai/threats/technologies/wasm3.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/wasm3","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":3,"all_time":5,"critical":1,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":0,"last_365_days":0},"latest":[{"cve":"CVE-2025-6272","cvss":4,"epss":0.0023,"slug":"cve-2025-6272-wasm3-and-pywasm3-out-of-bounds-write-in-markslotallocated","title":"wasm3 and pywasm3 out-of-bounds write in MarkSlotAllocated","severity":"medium","exploited":false,"published_at":"2025-06-19T18:31:47+00:00","url":"https://junglewise.ai/threats/cve-2025-6272-wasm3-and-pywasm3-out-of-bounds-write-in-markslotallocated"},{"cve":"CVE-2024-27530","cvss":8.4,"epss":0.0022,"slug":"cve-2024-27530-wasm3-pywasm3-use-after-free-in-foreachmodule","title":"wasm3 pywasm3 use-after-free in ForEachModule","severity":"high","exploited":false,"published_at":"2024-11-09T00:30:42+00:00","url":"https://junglewise.ai/threats/cve-2024-27530-wasm3-pywasm3-use-after-free-in-foreachmodule"},{"cve":"CVE-2024-27528","cvss":8.4,"epss":0.0024,"slug":"cve-2024-27528-wasm3-pywasm3-out-of-bounds-read-in-m3-exec-h","title":"wasm3 pywasm3 out-of-bounds read in m3_exec.h","severity":"high","exploited":false,"published_at":"2024-11-09T00:30:42+00:00","url":"https://junglewise.ai/threats/cve-2024-27528-wasm3-pywasm3-out-of-bounds-read-in-m3-exec-h"},{"cve":"CVE-2024-27529","cvss":8.4,"epss":0.0026,"slug":"cve-2024-27529-wasm3-uncontrolled-memory-allocation-in-read-utf8","title":"Wasm3 uncontrolled memory allocation in Read_utf8","severity":"high","exploited":false,"published_at":"2024-11-09T00:30:42+00:00","url":"https://junglewise.ai/threats/cve-2024-27529-wasm3-uncontrolled-memory-allocation-in-read-utf8"},{"cve":"CVE-2024-34249","cvss":9.8,"epss":0.0071,"slug":"cve-2024-34249-wasm3-heap-buffer-overflow-in-deallocateslot","title":"wasm3 heap buffer overflow in DeallocateSlot","severity":"critical","exploited":false,"published_at":"2024-05-06T15:30:39+00:00","url":"https://junglewise.ai/threats/cve-2024-34249-wasm3-heap-buffer-overflow-in-deallocateslot"}],"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"surrealdb (crates.io)","slug":"surrealdb","vulnerabilities":59,"url":"https://junglewise.ai/threats/technologies/surrealdb"},{"name":"zebrad (crates.io)","slug":"zebrad","vulnerabilities":26,"url":"https://junglewise.ai/threats/technologies/zebrad"},{"name":"rustfs (crates.io)","slug":"rustfs","vulnerabilities":14,"url":"https://junglewise.ai/threats/technologies/rustfs"},{"name":"deepseek-tui (crates.io)","slug":"deepseek-tui","vulnerabilities":13,"url":"https://junglewise.ai/threats/technologies/deepseek-tui"},{"name":"deno (crates.io)","slug":"deno","vulnerabilities":11,"url":"https://junglewise.ai/threats/technologies/deno"},{"name":"wasmtime (crates.io)","slug":"wasmtime","vulnerabilities":11,"url":"https://junglewise.ai/threats/technologies/wasmtime"},{"name":"codewhale-tui (crates.io)","slug":"codewhale-tui","vulnerabilities":9,"url":"https://junglewise.ai/threats/technologies/codewhale-tui"},{"name":"mise (crates.io)","slug":"mise","vulnerabilities":5,"url":"https://junglewise.ai/threats/technologies/mise"},{"name":"nimiq-primitives (crates.io)","slug":"nimiq-primitives","vulnerabilities":5,"url":"https://junglewise.ai/threats/technologies/nimiq-primitives"},{"name":"actix-web (crates.io)","slug":"actix-web","vulnerabilities":4,"url":"https://junglewise.ai/threats/technologies/actix-web"},{"name":"diesel (crates.io)","slug":"diesel","vulnerabilities":4,"url":"https://junglewise.ai/threats/technologies/diesel"},{"name":"nimiq-blockchain (crates.io)","slug":"nimiq-blockchain","vulnerabilities":4,"url":"https://junglewise.ai/threats/technologies/nimiq-blockchain"}],"technology":{"hub":true,"name":"wasm3 (crates.io)","slug":"wasm3","vendor":{"name":"crates.io","slug":"crates-io","url":"https://junglewise.ai/threats/vendors/crates-io"},"aliases":[],"homepage":"https://github.com/wasm3/wasm3","repo_url":"https://github.com/wasm3/wasm3","description":"A fast WebAssembly interpreter written in C.","url":"https://junglewise.ai/threats/technologies/wasm3"},"most_severe":[{"cve":"CVE-2024-34249","cvss":9.8,"epss":0.0071,"slug":"cve-2024-34249-wasm3-heap-buffer-overflow-in-deallocateslot","title":"wasm3 heap buffer overflow in DeallocateSlot","severity":"critical","exploited":false,"published_at":"2024-05-06T15:30:39+00:00","url":"https://junglewise.ai/threats/cve-2024-34249-wasm3-heap-buffer-overflow-in-deallocateslot"},{"cve":"CVE-2024-27529","cvss":8.4,"epss":0.0026,"slug":"cve-2024-27529-wasm3-uncontrolled-memory-allocation-in-read-utf8","title":"Wasm3 uncontrolled memory allocation in Read_utf8","severity":"high","exploited":false,"published_at":"2024-11-09T00:30:42+00:00","url":"https://junglewise.ai/threats/cve-2024-27529-wasm3-uncontrolled-memory-allocation-in-read-utf8"},{"cve":"CVE-2024-27528","cvss":8.4,"epss":0.0024,"slug":"cve-2024-27528-wasm3-pywasm3-out-of-bounds-read-in-m3-exec-h","title":"wasm3 pywasm3 out-of-bounds read in m3_exec.h","severity":"high","exploited":false,"published_at":"2024-11-09T00:30:42+00:00","url":"https://junglewise.ai/threats/cve-2024-27528-wasm3-pywasm3-out-of-bounds-read-in-m3-exec-h"},{"cve":"CVE-2024-27530","cvss":8.4,"epss":0.0022,"slug":"cve-2024-27530-wasm3-pywasm3-use-after-free-in-foreachmodule","title":"wasm3 pywasm3 use-after-free in ForEachModule","severity":"high","exploited":false,"published_at":"2024-11-09T00:30:42+00:00","url":"https://junglewise.ai/threats/cve-2024-27530-wasm3-pywasm3-use-after-free-in-foreachmodule"},{"cve":"CVE-2025-6272","cvss":4,"epss":0.0023,"slug":"cve-2025-6272-wasm3-and-pywasm3-out-of-bounds-write-in-markslotallocated","title":"wasm3 and pywasm3 out-of-bounds write in MarkSlotAllocated","severity":"medium","exploited":false,"published_at":"2025-06-19T18:31:47+00:00","url":"https://junglewise.ai/threats/cve-2025-6272-wasm3-and-pywasm3-out-of-bounds-write-in-markslotallocated"}],"generated_at":"2026-09-26T13:07:00.120236+00:00"}