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CVE-2025-6275

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Date: June 19, 2025

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.

Severity Score

Related Resources (8)

https://github.com/WebAssembly/wabt/issues/2614
https://security-tracker.debian.org/tracker/CVE-2025-6275
https://vuldb.com/?submit.593017
https://vuldb.com/?ctiid.313279
https://nvd.nist.gov/vuln/detail/CVE-2025-6275
https://vuldb.com/?id.313279
https://github.com/user-attachments/files/20623626/wabt_crash_5.txt
https://www.mend.io/vulnerability-database/CVE-2025-6275

Severity Score

Weakness Type (CWE)

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-119

Use After Free

CWE-416

Top Fix

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Upgrade Version

Upgrade to version https://github.com/WebAssembly/wabt.git - no_fix

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): LOW

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