CVE-2020-15670
Medium
Elevated severity or exploit probability.
CVSS base
8.8
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS — probability of exploitation (30 days)
1.1%
63.4th percentile
CISA KEV
Not listed
Weakness / dates
CWE-362
Published 2020-10-01 · modified 2026-08-19
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.
Affected
References
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1651001%2C1653626%2C1656957
- https://www.mozilla.org/security/advisories/mfsa2020-36/
- https://www.mozilla.org/security/advisories/mfsa2020-38/
- https://www.mozilla.org/security/advisories/mfsa2020-39/
- https://www.mozilla.org/security/advisories/mfsa2020-41/
- https://bugzilla.mozilla.org/buglist.cgi?bug_id=1651001%2C1653626%2C1656957
- https://www.mozilla.org/security/advisories/mfsa2020-36/
- https://www.mozilla.org/security/advisories/mfsa2020-38/
- https://www.mozilla.org/security/advisories/mfsa2020-39/
- https://www.mozilla.org/security/advisories/mfsa2020-41/