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Vulnerability details: VCID-mwy7-qhqx-aaaf
Vulnerability ID VCID-mwy7-qhqx-aaaf
Aliases CVE-2019-11740
Summary Mozilla developers and community members reported memory safety bugs present in Firefox 68, Firefox ESR 68, and Firefox 60.8. 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 < 69, Thunderbird < 68.1, Thunderbird < 60.9, Firefox ESR < 60.9, and Firefox ESR < 68.1.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-787 Out-of-bounds Write
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2019/CVE-2019-11740.html
rhas Important https://access.redhat.com/errata/RHSA-2019:2663
rhas Important https://access.redhat.com/errata/RHSA-2019:2694
rhas Important https://access.redhat.com/errata/RHSA-2019:2729
rhas Important https://access.redhat.com/errata/RHSA-2019:2773
rhas Important https://access.redhat.com/errata/RHSA-2019:2774
rhas Important https://access.redhat.com/errata/RHSA-2019:2807
cvssv3 9.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-11740.json
epss 0.00658 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.00658 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.00658 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.00658 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.00658 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.00658 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.00658 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.00723 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.00723 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.00723 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
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epss 0.00723 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
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epss 0.00723 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.00723 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.00723 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.00728 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.00728 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.00728 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.00728 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01022 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01145 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01145 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.01145 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
epss 0.02407 https://api.first.org/data/v1/epss?cve=CVE-2019-11740
rhbs high https://bugzilla.redhat.com/show_bug.cgi?id=1748652
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11739
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11740
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11742
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11743
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11744
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11746
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11752
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9812
cvssv3.1 7.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 6.8 https://nvd.nist.gov/vuln/detail/CVE-2019-11740
cvssv3 8.8 https://nvd.nist.gov/vuln/detail/CVE-2019-11740
cvssv3.1 8.8 https://nvd.nist.gov/vuln/detail/CVE-2019-11740
archlinux High https://security.archlinux.org/AVG-1036
generic_textual Medium https://ubuntu.com/security/notices/USN-4122-1
generic_textual Medium https://ubuntu.com/security/notices/USN-4150-1
generic_textual Medium https://usn.ubuntu.com/usn/usn-4122-1
generic_textual Medium https://usn.ubuntu.com/usn/usn-4150-1
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2019-25
generic_textual Medium https://www.mozilla.org/en-US/security/advisories/mfsa2019-25/#CVE-2019-11740
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2019-26
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2019-27
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2019-29
generic_textual Medium https://www.mozilla.org/en-US/security/advisories/mfsa2019-29/#CVE-2019-11740
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2019-30
Reference id Reference type URL
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html
http://people.canonical.com/~ubuntu-security/cve/2019/CVE-2019-11740.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-11740.json
https://api.first.org/data/v1/epss?cve=CVE-2019-11740
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1563133%2C1573160
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11739
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11740
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11742
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11743
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11744
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11746
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11752
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9812
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://security.gentoo.org/glsa/201911-07
https://ubuntu.com/security/notices/USN-4122-1
https://ubuntu.com/security/notices/USN-4150-1
https://usn.ubuntu.com/4150-1/
https://usn.ubuntu.com/usn/usn-4122-1
https://usn.ubuntu.com/usn/usn-4150-1
https://www.mozilla.org/en-US/security/advisories/mfsa2019-25/#CVE-2019-11740
https://www.mozilla.org/en-US/security/advisories/mfsa2019-29/#CVE-2019-11740
https://www.mozilla.org/security/advisories/mfsa2019-25/
https://www.mozilla.org/security/advisories/mfsa2019-26/
https://www.mozilla.org/security/advisories/mfsa2019-27/
https://www.mozilla.org/security/advisories/mfsa2019-29/
https://www.mozilla.org/security/advisories/mfsa2019-30/
1748652 https://bugzilla.redhat.com/show_bug.cgi?id=1748652
ASA-201909-2 https://security.archlinux.org/ASA-201909-2
AVG-1036 https://security.archlinux.org/AVG-1036
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
CVE-2019-11740 https://nvd.nist.gov/vuln/detail/CVE-2019-11740
mfsa2019-25 https://www.mozilla.org/en-US/security/advisories/mfsa2019-25
mfsa2019-26 https://www.mozilla.org/en-US/security/advisories/mfsa2019-26
mfsa2019-27 https://www.mozilla.org/en-US/security/advisories/mfsa2019-27
mfsa2019-29 https://www.mozilla.org/en-US/security/advisories/mfsa2019-29
mfsa2019-30 https://www.mozilla.org/en-US/security/advisories/mfsa2019-30
RHSA-2019:2663 https://access.redhat.com/errata/RHSA-2019:2663
RHSA-2019:2694 https://access.redhat.com/errata/RHSA-2019:2694
RHSA-2019:2729 https://access.redhat.com/errata/RHSA-2019:2729
RHSA-2019:2773 https://access.redhat.com/errata/RHSA-2019:2773
RHSA-2019:2774 https://access.redhat.com/errata/RHSA-2019:2774
RHSA-2019:2807 https://access.redhat.com/errata/RHSA-2019:2807
USN-4122-1 https://usn.ubuntu.com/4122-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-11740.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2019-11740
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2019-11740
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2019-11740
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.68685
EPSS Score 0.00658
Published At March 28, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.