OW2 ASM up to 9.10 Subroutine Label.addSubroutineRetSuccessors allocation of resources

CVSS Meta Temp Score
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CTI Interest Score
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4.1$0-$5k2.97-

Summaryinfo

A vulnerability described as problematic has been identified in OW2 ASM up to 9.10. This affects the function Label.addSubroutineRetSuccessors of the component Subroutine Handler. Such manipulation leads to allocation of resources. This vulnerability is referenced as CVE-2026-110258. The attack can only be performed from a local environment. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in OW2 ASM up to 9.10 and classified as problematic. Affected by this issue is the function Label.addSubroutineRetSuccessors of the component Subroutine Handler. The manipulation with an unknown input leads to a allocation of resources vulnerability. Using CWE to declare the problem leads to CWE-770. The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor. Impacted is availability. CVE summarizes:

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.

The advisory is shared for download at gitlab.ow2.org. This vulnerability is handled as CVE-2026-110258 since 10/13/2026. The exploitation is known to be easy. The attack needs to be approached locally. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

Upgrading to version 9.11 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 4.1
VulDB Meta Temp Score: 4.1

VulDB Base Score: 2.8
VulDB Temp Score: 2.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.5
CNA Vector (VulnCheck): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Allocation of resources
CWE: CWE-770 / CWE-400 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: ASM 9.11

Timelineinfo

10/13/2026 CVE reserved
10/14/2026 +1 days Advisory disclosed
10/14/2026 +0 days VulDB entry created
10/14/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: gitlab.ow2.org
Status: Confirmed

CVE: CVE-2026-110258 (🔒)
GCVE (CVE): GCVE-0-2026-110258
GCVE (VulDB): GCVE-100-419900

Entryinfo

Created: 10/14/2026 16:49
Changes: 10/14/2026 16:49 (76)
Complete: 🔍
Cache ID: 216::103

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