CVEvulnerability

CVE-2020-18378

6.5 MEDIUM Published 2023-08-22 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2023-08-22
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weaknesses
CWE-476

Description

A NULL pointer dereference was discovered in SExpressionWasmBuilder::makeBlock in wasm/wasm-s-parser.c in Binaryen 1.38.26. A crafted wasm input can cause a segmentation fault, leading to denial-of-service, as demonstrated by wasm-as.

Affected configurations

• webassembly binaryen 1.38.26

Related

Weakness · CWE (1)

  • CWE-476 NULL Pointer Dereference weakness

References