CVE-2020-26952

CVSS V2 High 9.3 CVSS V3 High 8.8

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.

Overview

CVE ID
CVE-2020-26952

Assigner
security@mozilla.org

Vulnerability Status
Analyzed

Published Version
2020-12-09T01:15:12

Last Modified Date
2020-12-09T20:08:34

Weakness Enumerations

CWE	URL
CWE-787	http://cwe.mitre.org/data/definitions/787.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:mozilla:firefox::::::::	1	OR		83.0

CVSS Version 2

Version
2.0

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

Access Vector
NETWORK

Access Compatibility
MEDIUM

Authentication
NONE

Confidentiality Impact
COMPLETE

Integrity Impact
COMPLETE

Availability Impact
COMPLETE

Base Score
9.3

Severity
HIGH

Exploitability Score
8.6

Impact Score
10

CVSS Version 3

Version
3.1

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

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
REQUIRED

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
8.8

Base Severity
HIGH

Exploitability Score
2.8

Impact Score
5.9

References

Reference URL	Reference Tags
https://www.mozilla.org/security/advisories/mfsa2020-50/	Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1667685	Issue Tracking Permissions Required Vendor Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2020-26952
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26952

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 07:30:47				Added to TrackCVE
2022-12-05 17:48:10	2020-12-09T01:15Z	2020-12-09T01:15:12	CVE Published Date	updated
2022-12-05 17:48:10		2020-12-09T20:08:34	CVE Modified Date	updated
2022-12-05 17:48:10		Analyzed	Vulnerability Status	updated