OW2 ASM 3.1 before 9.11 Excessive Memory Allocation in AdviceAdapter (OW2 ASM)

CVE-2026-110262

MEDIUM 4.8

At a glance

Source: NVD
EPSS: EPSS 0.17 % · percentile 6 (2026-10-29)
State: PUBLISHED
Published: 2026-10-14 14:16 UTC
Updated: 2026-10-14 15:55 UTC
Assigner: VulnCheck
NVD status: Awaiting Analysis

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Description

OW2 ASM 3.1 before 9.11 contains an excessive memory allocation vulnerability in the asm-commons AdviceAdapter that allows attackers to exhaust memory by supplying crafted class files. Attackers can craft bytecode with many forward jump targets in constructors, causing unbounded stack copies in forwardJumpStackFrames and allocation of hundreds of megabytes, leading to denial of service.

Weaknesses (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

Scores

Version	Score	Vector	Scored by
CVSS 4.0	MEDIUM 4.8	CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N	VulnCheck
CVSS 3.1	LOW 3.3	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L	VulnCheck
CVSS 4.0	MEDIUM 4.8	CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X	NVD · disclosure@vulncheck.com (Secondary)
CVSS 3.1	LOW 3.3	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L	NVD · disclosure@vulncheck.com (Secondary)

European references

ENISA EUVD · EUVD-2026-101216
GCVE · GCVE-0-2026-110262

Affected products

Product	Versions
OW2 · ASM	affected 3.1 < 9.11

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD

🟡 OW2 ASM 3.1 before 9.11 Excessive Memory Allocation in AdviceAdapter (OW2 ASM)