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.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. Oct 14, 2026 · NIST NVD

   Detected

   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.

2. Oct 14, 2026 · NIST NVD

   Updated

   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.

3. Oct 14, 2026 · NIST NVD

   Updated

   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.

Sources

• CVE.orgVulnerability recordCVE-2026-110258

  Official CVE identifier

  cve.org
• FIRST EPSSExploitation probabilityCVE-2026-110258

  30-day exploitation probability 0.2%

  first.org
• NIST NVDVulnerability recordCVE-2026-110258

  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 roughl

  nvd.nist.gov

References

• Reference · asm.ow2.io
• Reference · gitlab.ow2.org
• Reference · gitlab.ow2.org
• Reference · gitlab.ow2.org
• Reference · vulncheck.com