NULL pointer dereference in Webassembly Wabt
CVE-2025-3122
A vulnerability classified as problematic was found in WebAssembly wabt 1.0.36. Affected by this vulnerability is the function BinaryReaderInterp::BeginFunctionBody of the file src/interp/binary-reader-interp.cc. The manipulation leads to null pointer dereference. The attack can be launched 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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.1 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.006 (46.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 46.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Webassembly Wabt — versions 1.0.36
- Webassembly Binary Toolkit — versions 1.0.36
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/WebAssembly/wabt/issues/2565 (issue-tracking, Exploit, Issue Tracking, Vendor Advisory)
- github.com/WebAssembly/wabt/issues/2565 (issue-tracking, Exploit, exploit, Issue Tracking, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-3122?
- CVE-2025-3122 is a low-severity vulnerability in Webassembly Wabt, classified under Improper Resource Shutdown or Release. CVSS score: 3.1/10. Published 2025-04-02.
- How severe is CVE-2025-3122?
- Low severity. CVSS v3 base score is 3.1 out of 10.