CVE-2025-6275CWE-119CWE-416

WebAssembly wabt binary-reader-interp.cc GetFuncOffset use after free

Medium · published June 19, 2025

CVSS v4.0
4.8
EPSS
0%
Percentile
15.3
In the wild
Unconfirmed
What it is

A vulnerability was found in WebAssembly wabt up to 1.0.37. It has been declared as problematic. Affected by this vulnerability is the function GetFuncOffset of the file src/interp/binary-reader-interp.cc. The manipulation leads to use after free. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used. A similar issue reported during the same timeframe was disputed by the code maintainer because it might not affect "real world wasm programs". Therefore, this entry might get disputed as well in the future.

The record
Technical detail
CVSS v4.0
4.8 · MEDIUM
Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.00249 · 15.3th percentile
Weaknesses
CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer; CWE-416 · Use After Free
Published
2025-06-19T19:31Z
EPSS history
Timeline
  • 19 JUN 19:31Z
    WebAssembly wabt binary-reader-interp.cc GetFuncOffset use after free
    cvelistv5