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CVE-2026-110259— OW2 ASM 3.0 before 9.11 Uncontrolled Recursion via ClassWriter.replaceAsmInstructions()

一分钟漏洞结论

影响对象
OW2 ASM
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。

OW2 ASM 3.0 before 9.11 contains an uncontrolled recursion vulnerability in ClassWriter.replaceAsmInstructions() that allows attackers to cause denial of service through crafted class files. Attackers can supply a class with a large method containing many long

CVSS 5.5 · Medium

影响版本矩阵 1

厂商产品 版本范围状态
OW2 ASM 3.0< 9.11 affected
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一、 漏洞 CVE-2026-110259 基础信息

漏洞信息

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Vulnerability Title
OW2 ASM 3.0 before 9.11 Uncontrolled Recursion via ClassWriter.replaceAsmInstructions()
来源: CVE Program / CVE List V5
Vulnerability Description
OW2 ASM 3.0 before 9.11 contains an uncontrolled recursion vulnerability in ClassWriter.replaceAsmInstructions() that allows attackers to cause denial of service through crafted class files. Attackers can supply a class with a large method containing many long forward jumps, triggering unbounded toByteArray() recursion and a StackOverflowError during transformation.
来源: 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:H
来源: CVE Program / CVE List V5
Vulnerability Type
未经控制的递归
来源: CVE Program / CVE List V5

受影响产品

厂商 产品 影响版本 CPE 订阅
OW2 ASM 3.0 ~ 9.11 -

二、漏洞 CVE-2026-110259 的公开POC

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三、漏洞 CVE-2026-110259 的情报信息

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CVE-2026-110259 其他参考 (4)

同批安全公告 · OW2 · 2026-10-14 · 共 9 条

CVE-2026-110257 5.5 MEDIUM OW2 ASM 5.0 before 9.11 Excessive Memory Allocation via BootstrapMethods Attribute
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
CVE-2026-110262 3.3 LOW OW2 ASM 3.1 before 9.11 Excessive Memory Allocation in AdviceAdapter

IV. Related Vulnerabilities

Same product: ASM
Same vendor: OW2
Same weakness: CWE-674

V. Comments for CVE-2026-110259

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