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CVE-2020-15681

Date: October 22, 2020

When multiple WASM threads had a reference to a module, and were looking up exported functions, one WASM thread could have overwritten another's entry in a shared stub table, resulting in a potentially exploitable crash. This vulnerability affects Firefox < 82.

Severity Score

Related Resources (6)

https://nvd.nist.gov/vuln/detail/CVE-2020-15681
https://www.mozilla.org/security/advisories/mfsa2020-45/
https://bugzilla.mozilla.org/show_bug.cgi?id=1666568
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-15681
https://security.alpinelinux.org/vuln/CVE-2020-15681
https://www.mend.io/vulnerability-database/CVE-2020-15681

Severity Score

Weakness Type (CWE)

Insufficient Information

NVD-CWE-noinfo

CVSS v3.1

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

CVSS v2

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

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