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TI-2023-24938 Aliases CVE-2023-46332GHSA-pjgq-qrmj-w46x

WebAssembly wabt 1.0.33 contains an Out-of-Bound Memory Write in DataSegment::Drop(), which lead to segmentation fault.

Priority MEDIUM 58CWE-787Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

WebAssembly wabt 1.0.33 contains an Out-of-Bound Memory Write in DataSegment::Drop(), which lead to segmentation fault.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00293 22nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
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
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:webassembly:webassembly_binary_toolkit:1.0.33:*:*:*:*:*:*:*1.0.33VulnerableWebAssembly
  • cpe:2.3:a:webassembly:webassembly_binary_toolkit:1.0.33:*:*:*:*:*:*:* Versions 1.0.33 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-2023-46332
  2. 2026-10-03 Alias added: GHSA-pjgq-qrmj-w46x

References

Exploit 1

  • 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-2023-24937 WebAssembly wabt 1.0.33 has an Out-of-Bound Memory Read in in… CVSS 3.1MEDIUM 5.5
  • TI-2025-02727 WebAssembly wabt binary-reader-interp.cc BeginFunctionBody null pointer dereference CVSS 4.0LOW 2.3

Sources

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