{"id":"CVE-2026-110591","aliases":["AZL-108363","AZL-108414","DEBIAN-CVE-2026-110591","EUVD-2026-101219","GHSA-3qfp-6vqw-3cr8","UBUNTU-CVE-2026-110591"],"status":"published","title":"OW2 ASM 1.4.3 before 9.11 Excessive Resource Consumption via Analyzer","description":"OW2 ASM 1.4.3 before 9.11 contains an excessive resource consumption vulnerability in Analyzer.analyze() that allows attackers to exhaust memory and CPU via crafted class files. Attackers can supply class files analysed through BasicVerifier, SimpleVerifier or SourceInterpreter to trigger unbounded per-instruction Frame allocation and fix point iterations, causing denial of service.","severity":{"version":"4.0","score":6.8,"vector":"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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00176,"percentile":0.07158,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-770"],"published":"2026-10-14T14:16:36Z","modified":"2026-11-02T14:17:28Z","fixes":[{"ecosystem":"Azure Linux:3","package":"objectweb-asm","fixed_in":["9.11.1-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"asm","fixed_in":["9.11.1-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Azure Linux:3","package":"javapackages-bootstrap","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.14.0-4"}]}]},{"source":"osv","ecosystem":"Azure Linux:3","package":"objectweb-asm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.11.1-1"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"asm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["9.10.1-1","9.11.1-1","9.4-1","9.5-1","9.7-1","9.7-2","9.7.1-1","9.8-1","9.8-2","9.9.1-1"]},{"source":"osv","ecosystem":"Debian:13","package":"asm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["9.10.1-1","9.11.1-1","9.8-1","9.8-2","9.9.1-1"]},{"source":"osv","ecosystem":"Debian:14","package":"asm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.11.1-1"}]}],"versions":["9.10.1-1","9.8-1","9.8-2","9.9.1-1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"asm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["6.0~alpha-1","6.0~alpha-2","6.0-1","7.0-1~18.04"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"asm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.1-2","7.2-1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"asm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["9.1-1","9.2-1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"asm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["9.4-1","9.5-1","9.6~us1-0ubuntu1","9.7-1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"asm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["9.9.1-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"asm","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["9.8-1","9.8-2","9.9.1-1"]}],"products":[{"vendor":"ow2","product":"asm"}],"references":[{"url":"https://gitlab.ow2.org/asm/asm/-/merge_requests/468","tags":["patch","fix","report"]},{"url":"https://gitlab.ow2.org/asm/asm/-/commit/4632a2283f1192fd0e93035661b49568a7cb8b6c","tags":["patch","fix","report"]},{"url":"https://gitlab.ow2.org/asm/asm/-/blob/ASM_9_10_1/asm-analysis/src/main/java/org/objectweb/asm/tree/analysis/Analyzer.java#L150","tags":["technical-description","article","report"]},{"url":"https://asm.ow2.io/versions.html","tags":["release-notes","advisory","report"]},{"url":"https://www.vulncheck.com/advisories/ow2-asm-1.4.3-before-9.11-excessive-resource-consumption-via-analyzer","tags":["third-party-advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-110591","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-3qfp-6vqw-3cr8"},{"url":"https://repo1.maven.org/maven2/","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/110xxx/CVE-2026-110591.json","tags":["advisory"]},{"url":"https://gitlab.ow2.org/asm/asm","tags":["package"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-110591","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-110591","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-110591","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-110591","title":"OW2 ASM 1.4.3 before 9.11 Excessive Resource Consumption via Analyzer","description":"OW2 ASM 1.4.3 before 9.11 contains an excessive resource consumption vulnerability in Analyzer.analyze() that allows attackers to exhaust memory and CPU via crafted class files. Attackers can supply class files analysed through BasicVerifier, SimpleVerifier or SourceInterpreter to trigger unbounded per-instruction Frame allocation and fix point iterations, causing denial of service.","status":"published","published":"2026-10-14T14:16:36.219Z","modified":"2026-10-20T01:01:50.99Z","cvss":[{"version":"4.0","score":6.8,"vector":"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","level":"medium","assessor":"cna"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T13:34:37.420074Z"}],"euvd":[{"id":"EUVD-2026-101219","description":"OW2 ASM 1.4.3 before 9.11 contains an excessive resource consumption vulnerability in Analyzer.analyze() that allows attackers to exhaust memory and CPU via crafted class files. Attackers can supply class files analysed through BasicVerifier, SimpleVerifier or SourceInterpreter to trigger unbounded per-instruction Frame allocation and fix point iterations, causing denial of service.","status":"published","published":"2026-10-14T14:16:36Z","modified":"2026-10-20T01:01:50Z","cvss":[{"version":"4.0","score":6.8,"vector":"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","level":"medium"}],"updated_at":"2026-11-02T16:59:44.89597Z"}],"ghsa":[{"id":"GHSA-3qfp-6vqw-3cr8","title":"OW2 ASM 1.4.3 before 9.11 contains an excessive resource consumption vulnerability in Analyzer...","description":"OW2 ASM 1.4.3 before 9.11 contains an excessive resource consumption vulnerability in Analyzer.analyze() that allows attackers to exhaust memory and CPU via crafted class files. Attackers can supply class files analysed through BasicVerifier, SimpleVerifier or SourceInterpreter to trigger unbounded per-instruction Frame allocation and fix point iterations, causing denial of service.","status":"published","published":"2026-10-14T15:32:23Z","modified":"2026-10-14T15:32:25Z","cvss":[{"version":"4.0","score":6.8,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T15:13:25.439244Z"}],"nvd":[{"id":"CVE-2026-110591","description":"OW2 ASM 1.4.3 before 9.11 contains an excessive resource consumption vulnerability in Analyzer.analyze() that allows attackers to exhaust memory and CPU via crafted class files. Attackers can supply class files analysed through BasicVerifier, SimpleVerifier or SourceInterpreter to trigger unbounded per-instruction Frame allocation and fix point iterations, causing denial of service.","status":"published","published":"2026-10-14T15:17:09.91Z","modified":"2026-10-20T01:17:10.95Z","cvss":[{"version":"4.0","score":6.8,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:12:58.99337Z"}],"osv":[{"id":"CVE-2026-110591","title":"OW2 ASM 1.4.3 before 9.11 Excessive Resource Consumption via Analyzer","description":"OW2 ASM 1.4.3 before 9.11 contains an excessive resource consumption vulnerability in Analyzer.analyze() that allows attackers to exhaust memory and CPU via crafted class files. Attackers can supply class files analysed through BasicVerifier, SimpleVerifier or SourceInterpreter to trigger unbounded per-instruction Frame allocation and fix point iterations, causing denial of service.","status":"published","published":"2026-10-14T14:16:36.219Z","modified":"2026-10-28T02:30:39.732475877Z","cvss":[{"version":"4.0","score":6.8,"vector":"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","level":"medium"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T15:44:55.61515Z"},{"id":"DEBIAN-CVE-2026-110591","description":"OW2 ASM 1.4.3 before 9.11 contains an excessive resource consumption vulnerability in Analyzer.analyze() that allows attackers to exhaust memory and CPU via crafted class files. Attackers can supply class files analysed through BasicVerifier, SimpleVerifier or SourceInterpreter to trigger unbounded per-instruction Frame allocation and fix point iterations, causing denial of service.","status":"published","published":"2026-10-14T15:17:09.91Z","modified":"2026-10-24T05:00:45.348423799Z","cvss":[{"version":"4.0","score":6.8,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"updated_at":"2026-11-02T15:45:49.824149Z"},{"id":"UBUNTU-CVE-2026-110591","description":"OW2 ASM 1.4.3 before 9.11 contains an excessive resource consumption vulnerability in Analyzer.analyze() that allows attackers to exhaust memory and CPU via crafted class files. Attackers can supply class files analysed through BasicVerifier, SimpleVerifier or SourceInterpreter to trigger unbounded per-instruction Frame allocation and fix point iterations, causing denial of service.","status":"published","published":"2026-10-14T15:17:00Z","modified":"2026-10-28T17:50:34Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"},{"version":"4.0","score":6.8,"vector":"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","level":"medium"}],"updated_at":"2026-11-02T16:55:59.591851Z"},{"id":"AZL-108363","title":"CVE-2026-110591 affecting package javapackages-bootstrap 1.14.0-4","description":"OW2 ASM 1.4.3 before 9.11 contains an excessive resource consumption vulnerability in Analyzer.analyze() that allows attackers to exhaust memory and CPU via crafted class files. Attackers can supply class files analysed through BasicVerifier, SimpleVerifier or SourceInterpreter to trigger unbounded per-instruction Frame allocation and fix point iterations, causing denial of service.","status":"published","published":"2026-10-14T15:17:09Z","modified":"2026-10-27T05:36:16Z","updated_at":"2026-11-02T15:28:01.725816Z"},{"id":"AZL-108414","title":"CVE-2026-110591 affecting package objectweb-asm for versions less than 9.11.1-1","description":"OW2 ASM 1.4.3 before 9.11 contains an excessive resource consumption vulnerability in Analyzer.analyze() that allows attackers to exhaust memory and CPU via crafted class files. Attackers can supply class files analysed through BasicVerifier, SimpleVerifier or SourceInterpreter to trigger unbounded per-instruction Frame allocation and fix point iterations, causing denial of service.","status":"published","published":"2026-10-14T15:17:09Z","modified":"2026-11-02T14:17:28.97528677Z","updated_at":"2026-11-02T15:28:01.725816Z"}]}}