CVE-2019-11742

Medium

Description

A same-origin policy violation occurs allowing the theft of cross-origin images through a combination of SVG filters and a &lt;canvas&gt; 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.

SeverityMedium
CVSS6.5
Exploit probability—
ProductMozilla Firefox
PublishedSep 27, 2019
First seenSep 27, 2019

How to fix

Update
  • mozilla firefox60.9.0, 69.0 or later
  • mozilla firefox_esr68.1.0 or later
  • mozilla thunderbird60.9.0, 68.1.0 or later

Affected products

ProductAffected versionsFixed in
mozilla firefoxv < 60.9.0, v < 69.060.9.0, 69.0
mozilla firefox_esr68.0 ≤ v < 68.1.068.1.0
mozilla thunderbirdv < 60.9.0, 68.0 ≤ v < 68.1.060.9.0, 68.1.0

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CVE-2019-11742 · Mozilla Firefox · Dark Radar