CVE-2019-11709

9.8 CRITICAL

Published: July 23, 2019 Modified: November 25, 2025

Description

Mozilla developers and community members reported memory safety bugs present in Firefox 67 and Firefox ESR 60.7. 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 ESR < 60.8, Firefox < 68, and Thunderbird < 60.8.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00055.html

Source: security@mozilla.org

Mailing List Third Party Advisory

http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00058.html

Source: security@mozilla.org

Mailing List Third Party Advisory

http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00073.html

Source: security@mozilla.org

Mailing List Third Party Advisory

http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html

Source: security@mozilla.org

Mailing List Third Party Advisory

http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html

Source: security@mozilla.org

Mailing List Third Party Advisory

https://bugzilla.mozilla.org/buglist.cgi?bug_id=1547266%2C1540759%2C1548822%2C1550498%2C1515052%2C1539219%2C1547757%2C1550498%2C1533522

Source: security@mozilla.org

Issue Tracking Vendor Advisory

https://lists.debian.org/debian-lts-announce/2019/08/msg00001.html

Source: security@mozilla.org

Mailing List Third Party Advisory

https://lists.debian.org/debian-lts-announce/2019/08/msg00002.html

Source: security@mozilla.org

Mailing List Third Party Advisory

https://security.gentoo.org/glsa/201908-12

Source: security@mozilla.org

Third Party Advisory

https://security.gentoo.org/glsa/201908-20

Source: security@mozilla.org

Third Party Advisory

https://www.mozilla.org/security/advisories/mfsa2019-21/

Source: security@mozilla.org

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2019-22/

Source: security@mozilla.org

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2019-23/

Source: security@mozilla.org

Vendor Advisory

http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00055.html

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

Mailing List Third Party Advisory

http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00058.html

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

Mailing List Third Party Advisory

http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00073.html

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

Mailing List Third Party Advisory

http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html

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

Mailing List Third Party Advisory

http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html

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

Mailing List Third Party Advisory

https://bugzilla.mozilla.org/buglist.cgi?bug_id=1547266%2C1540759%2C1548822%2C1550498%2C1515052%2C1539219%2C1547757%2C1550498%2C1533522

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

Issue Tracking Vendor Advisory

https://lists.debian.org/debian-lts-announce/2019/08/msg00001.html

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

Mailing List Third Party Advisory

https://lists.debian.org/debian-lts-announce/2019/08/msg00002.html

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

Mailing List Third Party Advisory

https://security.gentoo.org/glsa/201908-12

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

Third Party Advisory

https://security.gentoo.org/glsa/201908-20

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

Third Party Advisory

https://www.mozilla.org/security/advisories/mfsa2019-21/

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

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2019-22/

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

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2019-23/

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

Vendor Advisory

26 reference(s) from NVD

Quick Stats

CVSS v3 Score

9.8 / 10.0

EPSS (Exploit Probability)

2.6%

85th percentile

Exploitation Status

Not in CISA KEV

Weaknesses (CWE)

CWE-787

Affected Vendors

mozilla debian suse opensuse

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