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CVE-2026-110257

6.8 medium SSVC exploitation: none Awaiting Analysis
NVD · CVE.org

OW2 ASM 5.0 before 9.11 contains an excessive memory allocation vulnerability in ClassReader.readBootstrapMethodsAttribute() that sizes an int array from num_bootstrap_methods without validating attribute_length. Attackers can supply a crafted class file of about 100 bytes that forces roughly 2 GB allocation, causing an OutOfMemoryError that crashes the JVM or consuming thread.

Fix

Microsoft's update · Moderate

  • Release Notes — azl3 objectweb-asm 9.6-1 on Azure Linux 3.0 · build 9.11.1-1

From the 2026-Oct release note of Microsoft's Security Update Guide, revised 2026-11-01.

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 6.8NVD modified 2026-10-14 16:17

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 5