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VULNERABILITIES

CVE-2021-23970 Details

Description

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

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://bugzilla.mozilla.org/show_bug.cgi?id=1681724 CVEIssue TrackingPermissions RequiredVendor Advisory
https://security.gentoo.org/glsa/202104-10 CVEThird Party Advisory
https://www.mozilla.org/security/advisories/mfsa2021-07/ CVERelease NotesVendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1681724 [email protected]Issue TrackingPermissions RequiredVendor Advisory
https://security.gentoo.org/glsa/202104-10 [email protected]Third Party Advisory

see all 6 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-617Reachable Assertion[email protected]

Affected Products

ProductVersions
mozilla firefox
< 86.0

CPE

  • cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

6 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-23970
NVD Published Date:
Feb 26, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2021-23970 Details - Not Deferred