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CVE-2026-110262— OW2 ASM 3.1 before 9.11 Excessive Memory Allocation in AdviceAdapter

Quick assessment

Affected
OW2 ASM
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 OW2 ASM 9.11 之前的 3.1 版本中，asm-commons AdviceAdapter 存在一个过度内存分配漏洞。攻击者可以通过提供精心构造的类文件，耗尽系统内存。攻击者可以构造包含大量前向跳转目标字节的构造函数，这会导致 forwardJumpStackFrames 中进行无界的栈副本操作，并分配数百兆字节的内存，从而引发拒绝服务（DoS）问题。

CVSS 3.3 · Low

Affected Version Matrix 1

VendorProduct Version RangeStatus
OW2 ASM 3.1< 9.11 affected
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I. Basic Information for CVE-2026-110262

Vulnerability Information
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Vulnerability Title
OW2 ASM 3.1 before 9.11 Excessive Memory Allocation in AdviceAdapter
Source: CVE Program / CVE List V5
Vulnerability Description
OW2 ASM 3.1 before 9.11 contains an excessive memory allocation vulnerability in the asm-commons AdviceAdapter that allows attackers to exhaust memory by supplying crafted class files. Attackers can craft bytecode with many forward jump targets in constructors, causing unbounded stack copies in forwardJumpStackFrames and allocation of hundreds of megabytes, leading to denial of service.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
不加限制或调节的资源分配
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
OW2 ASM 3.1 ~ 9.11 -

II. Public POCs for CVE-2026-110262

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III. Intelligence Information for CVE-2026-110262

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Other References for CVE-2026-110262 (4)

Same Patch Batch · OW2 · 2026-10-14 · 9 CVEs total

CVE-2026-110257 5.5 MEDIUM OW2 ASM 5.0 before 9.11 Excessive Memory Allocation via BootstrapMethods Attribute
CVE-2026-110259 5.5 MEDIUM OW2 ASM 3.0 before 9.11 Uncontrolled Recursion via ClassWriter.replaceAsmInstructions()
CVE-2026-110263 5.5 MEDIUM OW2 ASM 3.0 before 9.11 Uncontrolled Recursion in SignatureReader
CVE-2026-110260 5.5 MEDIUM OW2 ASM 3.0 before 9.11 Quadratic Memory Allocation via Exception Handlers
CVE-2026-110258 5.5 MEDIUM OW2 ASM 3.0 before 9.11 Excessive Memory Allocation via Multiple RET Instructions
CVE-2026-110270 5.5 MEDIUM OW2 ASM 3.0 before 9.11 Exponential Memory Allocation in JSRInlinerAdapter
CVE-2026-110591 5.5 MEDIUM OW2 ASM 1.4.3 before 9.11 Excessive Resource Consumption via Analyzer
CVE-2026-110261 5.5 MEDIUM OW2 ASM 3.0 before 9.11 Excessive CPU Consumption via ClassWriter COMPUTE_FRAMES

IV. Related Vulnerabilities

Same product: ASM
Same vendor: OW2
Same weakness: CWE-770

V. Comments for CVE-2026-110262

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