CVE-2020-26952

high

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.

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1667685

https://www.mozilla.org/security/advisories/mfsa2020-50/

Details

Source: MITRE

Published: 2020-12-09

Updated: 2020-12-09

Type: CWE-787

Risk Information

CVSS v2

Base Score: 9.3

Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C

Impact Score: 10

Exploitability Score: 8.6

Severity: HIGH

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 2.8

Severity: HIGH