CVE-2026-110260
Medium
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.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Microsoft Azl3 Objectweb-asm
PublishedOct 14, 2026
First seenOct 14, 2026
Weakness typeCWE-407CWE-407
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft azl3_objectweb-asm_9.6-1 | No range specified | — |
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