CVE-2026-110270
OW2 ASM 3.0 before 9.11 Exponential Memory Allocation in JSRInlinerAdapter
CVSS Score
5.5
EPSS Score
0.0%
EPSS Percentile
0th
OW2 ASM 3.0 before 9.11 contains an uncontrolled memory allocation vulnerability in the asm-commons JSRInlinerAdapter that inlines JSR/RET subroutines without memory or work limits. Attackers can supply a crafted class file with nested subroutines to force O(2^n) memory allocation, causing an OutOfMemoryError that crashes the JVM.
| CWE | CWE-407 |
| Vendor | ow2 |
| Product | asm |
| Published | Oct 14, 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
3.0 < 9.11
References
gitlab.ow2.org: https://gitlab.ow2.org/asm/asm/-/merge_requests/466 gitlab.ow2.org: https://gitlab.ow2.org/asm/asm/-/commit/f2b988af48719f85a274f2a05e37bc55c0cd22a1 gitlab.ow2.org: https://gitlab.ow2.org/asm/asm/-/blob/ASM_9_10_1/asm-commons/src/main/java/org/objectweb/asm/commons/JSRInlinerAdapter.java#L232 asm.ow2.io: https://asm.ow2.io/versions.html vulncheck.com: https://www.vulncheck.com/advisories/ow2-asm-3.0-before-9.11-exponential-memory-allocation-in-jsrinlineradapter
Credits
Eric Bruneton