CVE-2026-110270

CVSS 6.8 (medium) · published 2026-10-14

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.

Weakness: CWE-407

Source: NVD CVE-2026-110270

References

• https://asm.ow2.io/versions.html
• https://gitlab.ow2.org/asm/asm/-/blob/ASM_9_10_1/asm-commons/src/main/java/org/objectweb/asm/commons/JSRInlinerAdapter.java#L232
• https://gitlab.ow2.org/asm/asm/-/commit/f2b988af48719f85a274f2a05e37bc55c0cd22a1
• https://gitlab.ow2.org/asm/asm/-/merge_requests/466
• https://www.vulncheck.com/advisories/ow2-asm-3.0-before-9.11-exponential-memory-allocation-in-jsrinlineradapter

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