CVE-2019-9817

critical
Published — · Modified —
CVSS v3
CVSS v2
VIR risk
9.5

Description

Images from a different domain can be read using a canvas object in some circumstances. This could be used to steal image data from a different site in violation of same-origin policy. This vulnerability affects Thunderbird < 60.7, Firefox < 67, and Firefox ESR < 60.7.

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-2019-9817

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2019-9817.html

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201905-8

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201905-9

OS impact

OSVersionStatusFixed in
arch archfixed67.0-1
suse slesaffected
debian debiansidfixed67.0-2
debian debianbookwormfixed60.7.0esr-1
debian debianbullseyefixed60.7.0esr-1
debian debianforkyfixed60.7.0esr-1
debian debiantrixiefixed60.7.0esr-1

References

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