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CVE-2021-45946

Date: December 31, 2021

Wasm3 0.5.0 has an out-of-bounds write in CompileBlock (called from Compile_LoopOrBlock and CompileBlockStatements).

Language: C

Severity Score

Related Resources (4)

https://nvd.nist.gov/vuln/detail/CVE-2021-45946
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33555
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/wasm3/OSV-2021-678.yaml
https://www.mend.io/vulnerability-database/CVE-2021-45946

Severity Score

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

CVSS v3.1

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

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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