CVE-2019-11697

critical

Published — · Modified —

CVSS v3

—

CVSS v2

—

VIR risk

9.5

Description

If the ALT and "a" keys are pressed when users receive an extension installation prompt, the extension will be installed without the install prompt delay that keeps the prompt visible in order for users to accept or decline the installation. A malicious web page could use this with spoofing on the page to trick users into installing a malicious extension. This vulnerability affects Firefox < 67.

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-2019-11697

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2019-11697.html

vendor Authored 2026-05-27

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

OS impact

OS	Version	Status	Fixed in
arch		fixed	`67.0-1`
sles		affected
debian	sid	fixed	`67.0-2`

References

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