CVE-2026-112046
OW2 ASM 9.11 before 9.11.1 Denial of Service via Infinite Loop in Label.resolve()
CVSS Score
5.5
EPSS Score
0.0%
EPSS Percentile
0th
OW2 ASM 9.11 before 9.11.1 contains an infinite loop vulnerability in Label.resolve() caused by 16-bit forward-reference offsets truncating when rewritten methods exceed 64 KB. Attackers can supply crafted class files whose transformed code grows past 65535 bytes, hanging ClassReader.accept() and denying service to build tools, instrumenters, agents, or analyzers.
| CWE | CWE-835 |
| Vendor | ow2 |
| Product | asm |
| Published | Oct 18, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
OW2 / ASM
9.11 < 9.11.1
References
gitlab.ow2.org: https://gitlab.ow2.org/asm/asm/-/merge_requests/480 gitlab.ow2.org: https://gitlab.ow2.org/asm/asm/-/commit/4bb1a4701e7b61c2163525b987a96a8db815cb68 gitlab.ow2.org: https://gitlab.ow2.org/asm/asm/-/blob/ASM_9_11/asm/src/main/java/org/objectweb/asm/Label.java#L417 asm.ow2.io: https://asm.ow2.io/versions.html vulncheck.com: https://www.vulncheck.com/advisories/ow2-asm-9.11-before-9.11.1-denial-of-service-via-infinite-loop-in-label-resolve
Credits
Eric Bruneton