{"schema":"threatline.record/2","record":{"id":"CVE-2026-110259","aliases":[],"summary":"OW2 ASM 3.0 before 9.11 Uncontrolled Recursion via ClassWriter.replaceAsmInstructions()","details":"OW2 ASM 3.0 before 9.11 contains an uncontrolled recursion vulnerability in ClassWriter.replaceAsmInstructions() that allows attackers to cause denial of service through crafted class files. Attackers can supply a class with a large method containing many long forward jumps, triggering unbounded toByteArray() recursion and a StackOverflowError during transformation.","categories":["Unclassified"],"product":"ASM","vendor":"OW2","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-110259","source_modified_at":"2026-10-14T14:16:32.252Z","fetched_at":"2026-10-23T18:48:36.087640Z","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-2026-110259","source_modified_at":"2026-10-14T14:16:32.252Z","fetched_at":"2026-10-23T18:48:36.087640Z","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":0.06274,"score_date":"2026-10-23"},"published_at":"2026-10-14T14:16:32.252Z","modified_at":"2026-10-14T14:16:32.252Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-110259","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-14T14:16:32.252Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-110259","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/459","tags":["patch"]},{"source":"CVE List","url":"https://gitlab.ow2.org/asm/asm/-/commit/e9aca627c17e1619bcb8059afb43382dac6b275f","tags":["patch"]},{"source":"CVE List","url":"https://gitlab.ow2.org/asm/asm/-/blob/ASM_9_10_1/asm/src/main/java/org/objectweb/asm/ClassWriter.java#L751","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-uncontrolled-recursion-via-classwriter-replaceasminstructions","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-14T14:16:32.252Z","content_hash":"01fa7e6d487791015adf8beec03aa218bc1a98e6e91a6a143ad69ffdfd6668bb"}}