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Vulnerability · Published Mar 21, 2025 · Assigned by VulDB

CVE-2025-2584WebAssembly wabt binary-reader-interp.cc GetReturnCallDropKeepCount heap-based overflow

Medium 5.0

In plain English

A medium-severity heap buffer overflow in wabt from WebAssembly. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 44% of all known vulnerabilities).

Severity (CVSS 3.1)5.0Medium
Exploit odds (30 days)0.5%top 56.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

A vulnerability was found in WebAssembly wabt 1.0.36. It has been declared as critical. This vulnerability affects the function BinaryReaderInterp::GetReturnCallDropKeepCount of the file wabt/src/interp/binary-reader-interp.cc. The manipulation leads to heap-based buffer overflow. The attack can be initiated remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12wabtno fix listedDEBIAN-CVE-2025-2584
Debian:13wabtno fix listedDEBIAN-CVE-2025-2584
Debian:14wabtno fix listedDEBIAN-CVE-2025-2584
PyPIwabt-binno fix listedPYSEC-2025-228
Ubuntu:22.04:LTSwabtno fix listedUBUNTU-CVE-2025-2584
Ubuntu:24.04:LTSwabtno fix listedUBUNTU-CVE-2025-2584
Ubuntu:25.10wabtno fix listedUBUNTU-CVE-2025-2584
Ubuntu:26.04:LTSwabtno fix listedUBUNTU-CVE-2025-2584
Ubuntu:26.10wabtno fix listedUBUNTU-CVE-2025-2584

Affected products (as reported)

VendorProductVersions
WebAssembly wabt 1.0.36

Weakness: CWE-122, CWE-119 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L

References