CVE-2023-31670

HIGH
7.5
CVSS Score
Published: May 23, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 05:57 AM UTC
1 product affected across 1 vendorWebassembly Binary Toolkit

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Severity
HIGH7.5
Exploit prediction
EPSS 0.8%
SSVC
PoC

Description

An issue in wasm2c 1.0.32, wasm2wat 1.0.32, wasm-decompile 1.0.32, and wasm-validate 1.0.32 allows attackers to cause a Denial of Service (DoS) via running a crafted binary.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

ExploitIssue TrackingVendor Advisory
https://github.com/WebAssembly/wabt/issues/2199

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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