🛡️ CVE-2023-39333 on Debian — nodejs

⚪ Unknown ✅ No Known Exploit OSV

N/A

CVSS Score

0 Low4 Medium7 High9 Critical10

Description

Maliciously crafted export names in an imported WebAssembly module can inject JavaScript code. The injected code may be able to access data and functions that the WebAssembly module itself does not have access to, similar to as if the WebAssembly module was a JavaScript module. This vulnerability affects users of any active release line of Node.js. The vulnerable feature is only available if Node.js is started with the --experimental-wasm-modules command line option.

Distribution advisory

This page covers CVE-2023-39333 as tracked by Debian, for the package nodejs. The fix is available in version 18.13.0+dfsg1-1.1; earlier versions remain affected.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity low, availability none.

Affected software

DEBIAN-CVE-2023-39333 is recorded against 1 package.

nodejs (fixed in 18.13.0+dfsg1-1.1)

Timeline and source

Published on 7 September 2024 and last revised on 7 August 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

security-tracker.debian.org (Advisory)

CVE-2023-39333 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Alpine Base record Ubuntu

Details

Severity Unknown

CVSS Score N/A

CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CWE N/A

Public Exploit ✅ No

Source OSV

Published 2024-09-07

Updated 2026-08-12

Modified 2026-08-07

Fix URL N/A

Affected Packages

Software	From version	Fixed in
nodejs	—	18.13.0+dfsg1-1.1

References

ADVISORY https://security-tracker.debian.org/tracker/CVE-2023-39333

🔗 NVD 🔗 Mitre

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