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Vulnerability details: VCID-cygs-f2rv-nkcn
Vulnerability ID VCID-cygs-f2rv-nkcn
Aliases CVE-2019-11742
Summary A same-origin policy violation occurs allowing the theft of cross-origin images through a combination of SVG filters and a <canvas> element due to an error in how same-origin policy is applied to cached image content. The resulting same-origin policy violation could allow for data theft.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-829 Inclusion of Functionality from Untrusted Control Sphere
System Score Found at
cvssv3 6.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-11742.json
epss 0.0053 https://api.first.org/data/v1/epss?cve=CVE-2019-11742
epss 0.0053 https://api.first.org/data/v1/epss?cve=CVE-2019-11742
epss 0.0053 https://api.first.org/data/v1/epss?cve=CVE-2019-11742
epss 0.0053 https://api.first.org/data/v1/epss?cve=CVE-2019-11742
epss 0.0053 https://api.first.org/data/v1/epss?cve=CVE-2019-11742
epss 0.0053 https://api.first.org/data/v1/epss?cve=CVE-2019-11742
epss 0.0053 https://api.first.org/data/v1/epss?cve=CVE-2019-11742
epss 0.0053 https://api.first.org/data/v1/epss?cve=CVE-2019-11742
epss 0.0053 https://api.first.org/data/v1/epss?cve=CVE-2019-11742
epss 0.0053 https://api.first.org/data/v1/epss?cve=CVE-2019-11742
epss 0.0053 https://api.first.org/data/v1/epss?cve=CVE-2019-11742
epss 0.0053 https://api.first.org/data/v1/epss?cve=CVE-2019-11742
epss 0.0053 https://api.first.org/data/v1/epss?cve=CVE-2019-11742
epss 0.0053 https://api.first.org/data/v1/epss?cve=CVE-2019-11742
epss 0.0053 https://api.first.org/data/v1/epss?cve=CVE-2019-11742
epss 0.0053 https://api.first.org/data/v1/epss?cve=CVE-2019-11742
cvssv3.1 7.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2019-11742
cvssv3.1 6.5 https://nvd.nist.gov/vuln/detail/CVE-2019-11742
archlinux High https://security.archlinux.org/AVG-1036
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2019-25
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 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
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-11742.json
https://api.first.org/data/v1/epss?cve=CVE-2019-11742
https://bugzilla.mozilla.org/show_bug.cgi?id=1559715
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://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/
1748653 https://bugzilla.redhat.com/show_bug.cgi?id=1748653
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:*:*:*:*:*:*:*:*
CVE-2019-11742 https://nvd.nist.gov/vuln/detail/CVE-2019-11742
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/
USN-4150-1 https://usn.ubuntu.com/4150-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-11742.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:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2019-11742
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:N/I:H/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2019-11742
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 0.66259
EPSS Score 0.0053
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:09:58.040877+00:00 Mozilla Importer Import https://github.com/mozilla/foundation-security-advisories/blob/master/announce/2019/mfsa2019-27.yml 37.0.0