Vulnerability Details : CVE-2020-12419
When processing callbacks that occurred during window flushing in the parent process, the associated window may die; causing a use-after-free condition. This could have led to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 68.10.0.
Vulnerability category: Memory Corruption
Exploit prediction scoring system (EPSS) score for CVE-2020-12419
Probability of exploitation activity in the next 30 days: 0.88%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 80 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2020-12419
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|
|
9.3
|
HIGH | AV:N/AC:M/Au:N/C:C/I:C/A:C |
8.6
|
10.0
|
[email protected] |
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
[email protected] |
CWE ids for CVE-2020-12419
-
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.Assigned by: [email protected] (Primary)
References for CVE-2020-12419
-
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00026.html
Mailing List;Third Party Advisory
-
https://security.gentoo.org/glsa/202007-10
Third Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00023.html
Mailing List;Third Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00027.html
Mailing List;Third Party Advisory
-
https://bugzilla.mozilla.org/show_bug.cgi?id=1643874
Issue Tracking;Vendor Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00049.html
Mailing List;Third Party Advisory
-
https://usn.ubuntu.com/4421-1/
Third Party Advisory
-
https://www.mozilla.org/security/advisories/mfsa2020-25/
Vendor Advisory
-
https://www.mozilla.org/security/advisories/mfsa2020-26/
Vendor Advisory
-
https://www.mozilla.org/security/advisories/mfsa2020-24/
Vendor Advisory
-
https://security.gentoo.org/glsa/202007-09
Third Party Advisory
Products affected by CVE-2020-12419
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
- cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
- cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*