CVE-2019-11742

MEDIUM

Firefox <69, Thunderbird <68.1, Firefox ESR <60.9, Firefox ESR <68....

Title source: llm

Description

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.

References (12)

[Issue Tracking, Permissions Required, Vendor Advisory] https://bugzilla.mozilla.org/show_bug.cgi?id=1559715

[Vendor Advisory] https://www.mozilla.org/security/advisories/mfsa2019-25/

[Vendor Advisory] https://www.mozilla.org/security/advisories/mfsa2019-27/

[Vendor Advisory] https://www.mozilla.org/security/advisories/mfsa2019-26/

[Vendor Advisory] https://www.mozilla.org/security/advisories/mfsa2019-29/

[Vendor Advisory] https://www.mozilla.org/security/advisories/mfsa2019-30/

[Mailing List] http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html

[Mailing List] http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html

[Mailing List] http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00011.html

[Mailing List] http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00017.html

[Vendor Advisory] https://usn.ubuntu.com/4150-1/

[Third Party Advisory] https://security.gentoo.org/glsa/201911-07

Scores

CVSS v3 6.5

EPSS 0.0053

EPSS Percentile 67.3%

Attack Vector NETWORK

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

Details

CWE

CWE-829

Status published

Products (3)

mozilla/firefox < 60.9.0

mozilla/firefox_esr 68.0 - 68.1.0

mozilla/thunderbird < 60.9.0

Published Sep 27, 2019

Tracked Since Feb 18, 2026