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CVE-2021-23970

Date: February 25, 2021

Context-specific code was included in a shared jump table; resulting in assertions being triggered in multithreaded wasm code. This vulnerability affects Firefox < 86.

Severity Score

6.5

Related Resources (7)

Url: https://nvd.nist.gov/vuln/detail/CVE-2021-23970

Url: https://www.mozilla.org/security/advisories/mfsa2021-07/

Url: https://security.alpinelinux.org/vuln/CVE-2021-23970

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2021-23970

Url: https://security.gentoo.org/glsa/202104-10

Url: https://bugzilla.mozilla.org/show_bug.cgi?id=1681724

Url: https://www.mend.io/vulnerability-database/CVE-2021-23970

Severity Score

6.5

Weakness Type (CWE)

Reachable Assertion

CWE-617

CVSS v3.1

Base Score:	6.5
Attack Vector (AV):	NETWORK
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:	4.3
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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