CVE-2019-11742

high
Published — · Modified —
CVSS v3
CVSS v2
VIR risk
8.0

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.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2019-11742

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2019-11742.html

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201909-2

OS impact

OSVersionStatusFixed in
arch archfixed69.0-1
suse slesaffected
debian debiansidfixed69.0-1
debian debianbookwormfixed68.1.0esr-1
debian debianbullseyefixed68.1.0esr-1
debian debianforkyfixed68.1.0esr-1
debian debiantrixiefixed68.1.0esr-1

References

Verify integrity in audit chain (admin only). AS-IS.