Description
OW2 ASM 3.0 before 9.11 contains a quadratic memory allocation vulnerability in MethodWriter.computeMaxStackAndLocal() and computeAllFrames() when using COMPUTE_MAXS or COMPUTE_FRAMES. Attackers can supply a crafted class file with thousands of overlapping exception handlers, causing excessive Edge allocations and an OutOfMemoryError that crashes the JVM.
Published: 2026-10-14
Score: 6.8 Medium
EPSS: n/a
KEV: No
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Remediation

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Advisories

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History

Wed, 14 Oct 2026 14:30:00 +0000

Type Values Removed Values Added
Description OW2 ASM 3.0 before 9.11 contains a quadratic memory allocation vulnerability in MethodWriter.computeMaxStackAndLocal() and computeAllFrames() when using COMPUTE_MAXS or COMPUTE_FRAMES. Attackers can supply a crafted class file with thousands of overlapping exception handlers, causing excessive Edge allocations and an OutOfMemoryError that crashes the JVM.
Title OW2 ASM 3.0 before 9.11 Quadratic Memory Allocation via Exception Handlers
Weaknesses CWE-407
References
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 6.8, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}

Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-14T14:16:32.915Z

Reserved: 2026-10-13T18:33:55.549Z

Link: CVE-2026-110260

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-14T15:17:07.793

Modified: 2026-10-14T16:14:23.840

Link: CVE-2026-110260

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses