Vulnerability Monitor

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CVE-2019-11742

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. This vulnerability affects Firefox < 69, Thunderbird < 68.1, Thunderbird < 60.9, Firefox ESR < 60.9, and Firefox ESR < 68.1.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.5, indicating it can be exploited remotely over the network with relatively low complexity though user interaction is required and does not require pre-existing privileges . The vulnerability impacts integrity (unauthorized modifications), for affected systems. Impacting 3 products from mozilla, from mozilla, from mozilla organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2019, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2019-09-27T18:15:11.943

Last Modified

2025-11-25T17:50:16.803

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:P/A:N

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Primary
CWE-829

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	mozilla	firefox	< 60.9.0	Yes
Application	mozilla	firefox	< 69.0	Yes
Application	mozilla	firefox_esr	< 68.1.0	Yes
Application	mozilla	thunderbird	< 60.9.0	Yes
Application	mozilla	thunderbird	< 68.1.0	Yes

References

http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html ([email protected])
https://bugzilla.mozilla.org/show_bug.cgi?id=1559715 Issue Tracking, Permissions Required, Vendor Advisory ([email protected])
https://security.gentoo.org/glsa/201911-07 ([email protected])
https://usn.ubuntu.com/4150-1/ ([email protected])
https://www.mozilla.org/security/advisories/mfsa2019-25/ Vendor Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2019-26/ Vendor Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2019-27/ Vendor Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2019-29/ Vendor Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2019-30/ Vendor Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html (af854a3a-2127-422b-91ae-364da2661108)
http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.mozilla.org/show_bug.cgi?id=1559715 Issue Tracking, Permissions Required, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201911-07 (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/4150-1/ (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2019-25/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2019-26/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2019-27/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2019-29/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.mozilla.org/security/advisories/mfsa2019-30/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For mozilla's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.