High severity · published Oct 1, 2020
CVE-2020-15670
Mozilla developers reported memory safety bugs present in Firefox for Android 79
8.8
CVSS
1.1%
EPSS
No
On KEV
Description
Mozilla developers reported memory safety bugs present in Firefox for Android 79. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 80, Firefox ESR < 78.2, Thunderbird < 78.2, and Firefox for Android < 80.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 65% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FI
Firefox · Mozilla
before 80.0 · source: NVD
FE
Firefox Esr · Mozilla
before 78.2 · source: NVD
FM
Firefox Mobile · Mozilla
before 80.0 · source: NVD
TH
Thunderbird · Mozilla
before 78.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-15670
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-15670
Broken Link
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1651001%2C1653626%2C1656957
Release Notes
https://www.mozilla.org/security/advisories/mfsa2020-36/
Release Notes
https://www.mozilla.org/security/advisories/mfsa2020-38/
Release Notes
https://www.mozilla.org/security/advisories/mfsa2020-39/
Release Notes
https://www.mozilla.org/security/advisories/mfsa2020-41/
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