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TI-2025-02727 Aliases CVE-2025-3122GHSA-8cmg-37qm-wxhr

WebAssembly wabt binary-reader-interp.cc BeginFunctionBody null pointer dereference

Priority MEDIUM 45CWE-404Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Passive
Attack complexity
High
Attack requirements
None
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-404.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00614 49th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD and the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
WebAssemblywabt1.0.36—No fix listedCNA
  • wabt VendorWebAssembly Affected 1.0.36 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:webassembly:webassembly_binary_toolkit:1.0.36:*:*:*:*:*:*:*1.0.36VulnerableWebAssembly
  • cpe:2.3:a:webassembly:webassembly_binary_toolkit:1.0.36:*:*:*:*:*:*:* Versions 1.0.36 Vulnerable ·WebAssembly

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-3122
  2. 2026-10-03 Alias added: GHSA-8cmg-37qm-wxhr

References

Exploit 2

  • TI-2023-15165 An issue in wasm2c 1.0.32, wasm2wat 1.0.32, wasm-decompile 1.0.32, and wasm-validate… CVSS 3.1HIGH 7.5
  • TI-2023-15164 WebAssembly wat2wasm v1.0.32 allows attackers to cause a libc++abi.dylib crash by putting '@' before a quote ("). CVSS 3.1MEDIUM 5.5
  • TI-2023-24938 WebAssembly wabt 1.0.33 contains an Out-of-Bound Memory Write in DataSegment::Drop(), which lead to segmentation fault. CVSS 3.1MEDIUM 5.5
  • TI-2023-24937 WebAssembly wabt 1.0.33 has an Out-of-Bound Memory Read in in… CVSS 3.1MEDIUM 5.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences