CVE-2019-17016
critical
CVSS v3
—
CVSS v2
—
VIR risk
9.5
Description
When pasting a <style> tag from the clipboard into a rich text editor, the CSS sanitizer incorrectly rewrites a @namespace rule. This could allow for injection into certain types of websites resulting in data exfiltration. This vulnerability affects Firefox ESR < 68.4 and Firefox < 72.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2019-17016
Vendor advisory: arch — https://security.archlinux.org/ASA-202001-1
Vendor advisory: arch — https://security.archlinux.org/ASA-202001-4
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 68.4.1-1 | |
| debian | sid | fixed | 72.0-1 |
| debian | bookworm | fixed | 68.4.0esr-1 |
| debian | bullseye | fixed | 68.4.0esr-1 |
| debian | forky | fixed | 68.4.0esr-1 |
| debian | trixie | fixed | 68.4.0esr-1 |
References
Verify integrity in audit chain (admin only). AS-IS.