{"id":"CVE-2026-110262","aliases":["AZL-108372","AZL-108423","DEBIAN-CVE-2026-110262","EUVD-2026-101216","GHSA-gcxg-xjc4-5v84","UBUNTU-CVE-2026-110262"],"status":"published","title":"OW2 ASM 3.1 before 9.11 Excessive Memory Allocation in AdviceAdapter","description":"OW2 ASM 3.1 before 9.11 contains an excessive memory allocation vulnerability in the asm-commons AdviceAdapter that allows attackers to exhaust memory by supplying crafted class files. Attackers can craft bytecode with many forward jump targets in constructors, causing unbounded stack copies in forwardJumpStackFrames and allocation of hundreds of megabytes, leading to denial of service.","severity":{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00165,"percentile":0.05798,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-770"],"published":"2026-10-14T14:16:34Z","modified":"2026-11-02T14:17:29Z","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/464","tags":["patch","fix","report"]},{"url":"https://gitlab.ow2.org/asm/asm/-/commit/b7e6c88801790c9da214efd0498aecb9402796a0","tags":["patch","fix","report"]},{"url":"https://gitlab.ow2.org/asm/asm/-/blob/ASM_9_10_1/asm-commons/src/main/java/org/objectweb/asm/commons/AdviceAdapter.java#L96","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-3.1-before-9.11-excessive-memory-allocation-in-adviceadapter","tags":["third-party-advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-110262","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-gcxg-xjc4-5v84"},{"url":"https://repo1.maven.org/maven2/","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/110xxx/CVE-2026-110262.json","tags":["advisory"]},{"url":"https://gitlab.ow2.org/asm/asm","tags":["package"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-110262","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-110262","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-110262","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-110262","title":"OW2 ASM 3.1 before 9.11 Excessive Memory Allocation in AdviceAdapter","description":"OW2 ASM 3.1 before 9.11 contains an excessive memory allocation vulnerability in the asm-commons AdviceAdapter that allows attackers to exhaust memory by supplying crafted class files. Attackers can craft bytecode with many forward jump targets in constructors, causing unbounded stack copies in forwardJumpStackFrames and allocation of hundreds of megabytes, leading to denial of service.","status":"published","published":"2026-10-14T14:16:34.273Z","modified":"2026-10-14T15:55:12.005Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"},{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","level":"low","assessor":"cna"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T13:34:26.24368Z"}],"euvd":[{"id":"EUVD-2026-101216","description":"OW2 ASM 3.1 before 9.11 contains an excessive memory allocation vulnerability in the asm-commons AdviceAdapter that allows attackers to exhaust memory by supplying crafted class files. Attackers can craft bytecode with many forward jump targets in constructors, causing unbounded stack copies in forwardJumpStackFrames and allocation of hundreds of megabytes, leading to denial of service.","status":"published","published":"2026-10-14T14:16:34Z","modified":"2026-10-14T15:55:12Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T17:27:14.734034Z"}],"ghsa":[{"id":"GHSA-gcxg-xjc4-5v84","title":"OW2 ASM 3.1 before 9.11 contains an excessive memory allocation vulnerability in the asm-commons...","description":"OW2 ASM 3.1 before 9.11 contains an excessive memory allocation vulnerability in the asm-commons AdviceAdapter that allows attackers to exhaust memory by supplying crafted class files. Attackers can craft bytecode with many forward jump targets in constructors, causing unbounded stack copies in forwardJumpStackFrames and allocation of hundreds of megabytes, leading to denial of service.","status":"published","published":"2026-10-14T15:32:22Z","modified":"2026-10-14T15:32:30Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/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":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","level":"low"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T15:13:26.117603Z"}],"nvd":[{"id":"CVE-2026-110262","description":"OW2 ASM 3.1 before 9.11 contains an excessive memory allocation vulnerability in the asm-commons AdviceAdapter that allows attackers to exhaust memory by supplying crafted class files. Attackers can craft bytecode with many forward jump targets in constructors, causing unbounded stack copies in forwardJumpStackFrames and allocation of hundreds of megabytes, leading to denial of service.","status":"published","published":"2026-10-14T15:17:08.103Z","modified":"2026-10-14T16:17:41.177Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/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":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","level":"low","assessor":"secondary"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T14:12:58.99337Z"}],"osv":[{"id":"CVE-2026-110262","title":"OW2 ASM 3.1 before 9.11 Excessive Memory Allocation in AdviceAdapter","description":"OW2 ASM 3.1 before 9.11 contains an excessive memory allocation vulnerability in the asm-commons AdviceAdapter that allows attackers to exhaust memory by supplying crafted class files. Attackers can craft bytecode with many forward jump targets in constructors, causing unbounded stack copies in forwardJumpStackFrames and allocation of hundreds of megabytes, leading to denial of service.","status":"published","published":"2026-10-14T14:16:34.273Z","modified":"2026-10-28T02:31:13.82897246Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-770"],"updated_at":"2026-11-02T15:44:55.61515Z"},{"id":"DEBIAN-CVE-2026-110262","description":"OW2 ASM 3.1 before 9.11 contains an excessive memory allocation vulnerability in the asm-commons AdviceAdapter that allows attackers to exhaust memory by supplying crafted class files. Attackers can craft bytecode with many forward jump targets in constructors, causing unbounded stack copies in forwardJumpStackFrames and allocation of hundreds of megabytes, leading to denial of service.","status":"published","published":"2026-10-14T15:17:08.103Z","modified":"2026-10-24T05:00:43.287768625Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/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-2026-110262","description":"OW2 ASM 3.1 before 9.11 contains an excessive memory allocation vulnerability in the asm-commons AdviceAdapter that allows attackers to exhaust memory by supplying crafted class files. Attackers can craft bytecode with many forward jump targets in constructors, causing unbounded stack copies in forwardJumpStackFrames and allocation of hundreds of megabytes, leading to denial of service.","status":"published","published":"2026-10-14T15:17:00Z","modified":"2026-10-28T17:50:34Z","cvss":[{"version":"3.1","score":3.3,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","level":"low"},{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T16:55:59.591851Z"},{"id":"AZL-108372","title":"CVE-2026-110262 affecting package javapackages-bootstrap 1.14.0-4","description":"OW2 ASM 3.1 before 9.11 contains an excessive memory allocation vulnerability in the asm-commons AdviceAdapter that allows attackers to exhaust memory by supplying crafted class files. Attackers can craft bytecode with many forward jump targets in constructors, causing unbounded stack copies in forwardJumpStackFrames and allocation of hundreds of megabytes, leading to denial of service.","status":"published","published":"2026-10-14T15:17:08Z","modified":"2026-10-27T05:36:16Z","updated_at":"2026-11-02T15:28:01.725816Z"},{"id":"AZL-108423","title":"CVE-2026-110262 affecting package objectweb-asm for versions less than 9.11.1-1","description":"OW2 ASM 3.1 before 9.11 contains an excessive memory allocation vulnerability in the asm-commons AdviceAdapter that allows attackers to exhaust memory by supplying crafted class files. Attackers can craft bytecode with many forward jump targets in constructors, causing unbounded stack copies in forwardJumpStackFrames and allocation of hundreds of megabytes, leading to denial of service.","status":"published","published":"2026-10-14T15:17:08Z","modified":"2026-11-02T14:17:29.238312098Z","updated_at":"2026-11-02T15:28:01.725816Z"}]}}