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Vulnerability · Published Jun 19, 2025 · Assigned by VulDB

CVE-2025-6274WebAssembly wabt binary-reader-interp.cc OnDataCount resource consumption

Low 3.3

In plain English

A low-severity uncontrolled resource consumption in wabt from WebAssembly. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 15% of all known vulnerabilities).

Severity (CVSS 3.1)3.3Low
Exploit odds (30 days)0.2%top 85.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

A vulnerability was found in WebAssembly wabt up to 1.0.37. It has been classified as problematic. Affected is the function OnDataCount of the file src/interp/binary-reader-interp.cc. The manipulation leads to resource consumption. Attacking locally is a requirement. The exploit has been disclosed to the public and may be used. A similar issue reported during the same timeframe was disputed by the code maintainer because it might not affect "real world wasm programs". Therefore, this entry might get disputed as well in the future.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12wabtno fix listedDEBIAN-CVE-2025-6274
Debian:13wabtno fix listedDEBIAN-CVE-2025-6274
Debian:14wabtno fix listedDEBIAN-CVE-2025-6274
Ubuntu:22.04:LTSwabtno fix listedUBUNTU-CVE-2025-6274
Ubuntu:24.04:LTSwabtno fix listedUBUNTU-CVE-2025-6274
Ubuntu:25.10wabtno fix listedUBUNTU-CVE-2025-6274
Ubuntu:26.04:LTSwabtno fix listedUBUNTU-CVE-2025-6274
Ubuntu:26.10wabtno fix listedUBUNTU-CVE-2025-6274

Affected products (as reported)

VendorProductVersions
WebAssembly wabt 1.0.01.0.11.0.21.0.31.0.41.0.51.0.61.0.7

Weakness: CWE-400, CWE-404 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R

References