Medium severity5.5NVD Advisory· Published Oct 14, 2026· Updated Oct 14, 2026
CVE-2026-110260
CVE-2026-110260
Description
OW2 ASM 3.0 before 9.11 contains a quadratic memory allocation vulnerability in MethodWriter.computeMaxStackAndLocal() and computeAllFrames() when using COMPUTE_MAXS or COMPUTE_FRAMES. Attackers can supply a crafted class file with thousands of overlapping exception handlers, causing excessive Edge allocations and an OutOfMemoryError that crashes the JVM.
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Patches
Vulnerability mechanics
References
5- asm.ow2.io/versions.htmlnvd
- gitlab.ow2.org/asm/asm/-/blob/ASM_9_10_1/asm/src/main/java/org/objectweb/asm/MethodWriter.javanvd
- gitlab.ow2.org/asm/asm/-/commit/91057c98239d994aed5e46434e34e00d593c0dafnvd
- gitlab.ow2.org/asm/asm/-/merge_requests/461nvd
- www.vulncheck.com/advisories/ow2-asm-3.0-before-9.11-quadratic-memory-allocation-via-exception-handlersnvd
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