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CVE-2020-26952

nvd nist
Published: Dec 9, 2020Modified: Jun 17, 2026

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8.8
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploitability: 2.8 / Impact: 5.9
Source: NVD

Description

Incorrect bookkeeping of functions inlined during JIT compilation could have led to memory corruption and a potentially exploitable crash when handling out-of-memory errors. This vulnerability affects Firefox < 83.

Affected (1)

Products: Mozilla: Firefox
Mozilla
1 product
Firefox
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Firefox
Before 83.0

Related CWEs

CWE-787
Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.

References (4)

Source: security@mozilla.org
Issue TrackingPermissions RequiredVendor Advisory
Source: security@mozilla.org
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Issue TrackingPermissions RequiredVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory

Timeline

No history available yet.