CVE-2020-26960
CVSS V2 High 9.3
CVSS V3 High 8.8
Description
If the Compact() method was called on an nsTArray, the array could have been reallocated without updating other pointers, leading to a potential use-after-free and exploitable crash. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.
Overview
- CVE ID
- CVE-2020-26960
- Assigner
- security@mozilla.org
- Vulnerability Status
- Analyzed
- Published Version
- 2020-12-09T01:15:13
- Last Modified Date
- 2020-12-10T17:16:34
Weakness Enumerations
CPE Configuration (Product)
CPE | Vulnerable | Operator | Version Start | Version End |
---|---|---|---|---|
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | 1 | OR | 83.0 | |
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* | 1 | OR | 78.5 | |
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* | 1 | OR | 78.5 |
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://www.mozilla.org/security/advisories/mfsa2020-51/ | Vendor Advisory |
https://www.mozilla.org/security/advisories/mfsa2020-52/ | Vendor Advisory |
https://bugzilla.mozilla.org/show_bug.cgi?id=1670358 | Issue Tracking Permissions Required Vendor Advisory |
Sources
Source Name | Source URL |
---|---|
NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-26960 |
MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26960 |
History
Created | Old Value | New Value | Data Type | Notes |
---|---|---|---|---|
2022-05-10 07:30:44 | Added to TrackCVE | |||
2022-12-05 17:48:44 | 2020-12-09T01:15Z | 2020-12-09T01:15:13 | CVE Published Date | updated |
2022-12-05 17:48:44 | 2020-12-10T17:16:34 | CVE Modified Date | updated | |
2022-12-05 17:48:44 | Analyzed | Vulnerability Status | updated |