CVE WatchOct 14, 2026

CVE-2026-110258

OW2 ASM 3.0 before 9.11 contains an excessive memory allocation vulnerability in Label.addSubroutineRetSuccessors() that fails to enforce th

CVSS

5.5

Medium

EPSS

0.2%

KEV

—

Exploit Today

0-100

Published: Oct 14, 2026 · Last modified: Oct 14, 2026 · CWE-789

EPSS · 30d

0.2%EPSS · 30 days0.2%

2026-10-152026-10-20

Technical description

OW2 ASM 3.0 before 9.11 contains an excessive memory allocation vulnerability in Label.addSubroutineRetSuccessors() that fails to enforce the single-RET-per-JSR rule. Attackers can supply a crafted invalid class file with multiple RET instructions for one JSR, triggering a roughly 2 GB allocation that crashes the JVM.

Official references

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