Medium severity5.5NVD Advisory· Published Oct 14, 2026· Updated Oct 14, 2026
CVE-2026-110270
CVE-2026-110270
Description
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.
Patches
Vulnerability mechanics
References
5- asm.ow2.io/versions.htmlnvd
- gitlab.ow2.org/asm/asm/-/blob/ASM_9_10_1/asm-commons/src/main/java/org/objectweb/asm/commons/JSRInlinerAdapter.javanvd
- gitlab.ow2.org/asm/asm/-/commit/f2b988af48719f85a274f2a05e37bc55c0cd22a1nvd
- gitlab.ow2.org/asm/asm/-/merge_requests/466nvd
- www.vulncheck.com/advisories/ow2-asm-3.0-before-9.11-exponential-memory-allocation-in-jsrinlineradapternvd
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