{"schema":"threatline.record/2","record":{"id":"CVE-2026-110260","aliases":[],"summary":"OW2 ASM 3.0 before 9.11 Quadratic Memory Allocation via Exception Handlers","details":"OW2 ASM 3.0 before 9.11 contains a quadratic memory allocation vulnerability in MethodWriter.computeMaxStackAndLocal() and computeAllFrames() when using COMPUTE_MAXS or COMPUTE_FRAMES. Attackers can supply a crafted class file with thousands of overlapping exception handlers, causing excessive Edge allocations and an OutOfMemoryError that crashes the JVM.","categories":["Unclassified"],"product":"ASM","vendor":"OW2","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-110260","source_modified_at":"2026-10-20T00:59:41.535Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"ASM","vendor":"OW2","versions":[{"version":"3.0","lessThan":"9.11","status":"affected","versionType":"custom"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-110260","source_modified_at":"2026-10-20T00:59:41.535Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"ASM","ecosystem":null},"version":"9.11","basis":"first unaffected version stated in the CVE record"}],"cvss":6.8,"severity":"Medium","kev":{"listed":false},"epss":{"probability":0.00172,"percentile":0.06275,"score_date":"2026-10-23"},"published_at":"2026-10-14T14:16:32.915Z","modified_at":"2026-10-20T00:59:41.535Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-110260","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-20T00:59:41.535Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-110260","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://gitlab.ow2.org/asm/asm/-/merge_requests/461","tags":["patch"]},{"source":"CVE List","url":"https://gitlab.ow2.org/asm/asm/-/commit/91057c98239d994aed5e46434e34e00d593c0daf","tags":["patch"]},{"source":"CVE List","url":"https://gitlab.ow2.org/asm/asm/-/blob/ASM_9_10_1/asm/src/main/java/org/objectweb/asm/MethodWriter.java#L1662","tags":["technical-description"]},{"source":"CVE List","url":"https://asm.ow2.io/versions.html","tags":["release-notes"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/ow2-asm-3.0-before-9.11-quadratic-memory-allocation-via-exception-handlers","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"partial","assessed_at":"2026-10-20T00:59:30.315393Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-20T00:59:41.535Z","content_hash":"ba2bdc5897f987bd12b9f46369c70b77ad68e854773cefb8329b284cd3f589ff"}}
