CVE-2019-9789

Published: Apr 26, 2019Modified: Jun 17, 2026

9.8

Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability: 3.9 / Impact: 5.9

Source: NVD

Description

Mozilla developers and community members reported memory safety bugs present in Firefox 65. Some of these bugs showed evidence of memory corruption and we presume that with enough effort that some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 66.

Affected (1)

Products: Mozilla: Firefox

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Mozilla Firefox	Before 66.0

Related CWEs

Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

References (4)

https://bugzilla.mozilla.org/buglist.cgi?bug_id=1520483%2C1522987%2C1528199%2C1519337%2C1525549%2C1516179%2C1518524%2C1518331%2C1526579%2C1512567%2C1524335%2C1448505%2C1518821

Source: security@mozilla.org

Broken LinkIssue TrackingVendor Advisory

https://www.mozilla.org/security/advisories/mfsa2019-07/

Source: security@mozilla.org

Vendor Advisory

https://bugzilla.mozilla.org/buglist.cgi?bug_id=1520483%2C1522987%2C1528199%2C1519337%2C1525549%2C1516179%2C1518524%2C1518331%2C1526579%2C1512567%2C1524335%2C1448505%2C1518821

Source: af854a3a-2127-422b-91ae-364da2661108

Broken LinkIssue TrackingVendor Advisory

https://www.mozilla.org/security/advisories/mfsa2019-07/

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

Timeline

No history available yet.