Search for vulnerabilities
Vulnerability details: VCID-cjms-c8g8-fbe9
Vulnerability ID VCID-cjms-c8g8-fbe9
Aliases CVE-2019-17012
Summary Mozilla developers Christoph Diehl, Nathan Froyd, Jason Kratzer, Christian Holler, Karl Tomlinson, Tyson Smith reported memory safety bugs present in Firefox 70 and Firefox ESR 68.2. 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.
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
cvssv3 8.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-17012.json
epss 0.0124 https://api.first.org/data/v1/epss?cve=CVE-2019-17012
epss 0.0124 https://api.first.org/data/v1/epss?cve=CVE-2019-17012
epss 0.0124 https://api.first.org/data/v1/epss?cve=CVE-2019-17012
epss 0.0124 https://api.first.org/data/v1/epss?cve=CVE-2019-17012
epss 0.0124 https://api.first.org/data/v1/epss?cve=CVE-2019-17012
epss 0.0124 https://api.first.org/data/v1/epss?cve=CVE-2019-17012
epss 0.0124 https://api.first.org/data/v1/epss?cve=CVE-2019-17012
epss 0.0124 https://api.first.org/data/v1/epss?cve=CVE-2019-17012
epss 0.0124 https://api.first.org/data/v1/epss?cve=CVE-2019-17012
epss 0.0124 https://api.first.org/data/v1/epss?cve=CVE-2019-17012
epss 0.0124 https://api.first.org/data/v1/epss?cve=CVE-2019-17012
epss 0.0124 https://api.first.org/data/v1/epss?cve=CVE-2019-17012
cvssv3.1 8.8 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 6.8 https://nvd.nist.gov/vuln/detail/CVE-2019-17012
cvssv3.1 8.8 https://nvd.nist.gov/vuln/detail/CVE-2019-17012
archlinux Critical https://security.archlinux.org/AVG-1071
archlinux Critical https://security.archlinux.org/AVG-1072
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2019-36
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2019-37
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2019-38
Reference id Reference type URL
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00000.html
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00001.html
https://access.redhat.com/errata/RHSA-2020:0292
https://access.redhat.com/errata/RHSA-2020:0295
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-17012.json
https://api.first.org/data/v1/epss?cve=CVE-2019-17012
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1449736%2C1533957%2C1560667%2C1567209%2C1580288%2C1585760%2C1592502
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-17005
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-17008
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-17010
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-17011
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-17012
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://security.gentoo.org/glsa/202003-10
https://www.mozilla.org/security/advisories/mfsa2019-36/
https://www.mozilla.org/security/advisories/mfsa2019-37/
https://www.mozilla.org/security/advisories/mfsa2019-38/
1779437 https://bugzilla.redhat.com/show_bug.cgi?id=1779437
ASA-201912-1 https://security.archlinux.org/ASA-201912-1
ASA-201912-2 https://security.archlinux.org/ASA-201912-2
AVG-1071 https://security.archlinux.org/AVG-1071
AVG-1072 https://security.archlinux.org/AVG-1072
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:19.10:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
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-2019-17012 https://nvd.nist.gov/vuln/detail/CVE-2019-17012
mfsa2019-36 https://www.mozilla.org/en-US/security/advisories/mfsa2019-36
mfsa2019-37 https://www.mozilla.org/en-US/security/advisories/mfsa2019-37
mfsa2019-38 https://www.mozilla.org/en-US/security/advisories/mfsa2019-38
RHSA-2019:4107 https://access.redhat.com/errata/RHSA-2019:4107
RHSA-2019:4108 https://access.redhat.com/errata/RHSA-2019:4108
RHSA-2019:4111 https://access.redhat.com/errata/RHSA-2019:4111
RHSA-2019:4148 https://access.redhat.com/errata/RHSA-2019:4148
RHSA-2019:4195 https://access.redhat.com/errata/RHSA-2019:4195
RHSA-2019:4205 https://access.redhat.com/errata/RHSA-2019:4205
USN-4216-1 https://usn.ubuntu.com/4216-1/
USN-4216-2 https://usn.ubuntu.com/4216-2/
USN-4241-1 https://usn.ubuntu.com/4241-1/
USN-4335-1 https://usn.ubuntu.com/4335-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-17012.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:L/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-2019-17012
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-2019-17012
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 0.78402
EPSS Score 0.0124
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:09:57.949319+00:00 Mozilla Importer Import https://github.com/mozilla/foundation-security-advisories/blob/master/announce/2019/mfsa2019-36.yml 37.0.0