CVE-2019-17000

critical

Published — · Modified —

CVSS v3

—

CVSS v2

—

VIR risk

9.5

Description

An object tag with a data URI did not correctly inherit the document's Content Security Policy. This allowed a CSP bypass in a cross-origin frame if the document's policy explicitly allowed data: URIs. This vulnerability affects Firefox < 70.

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-2019-17000

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201910-16

OS impact

OS	Version	Status	Fixed in
arch		fixed	`70.0-1`
debian	sid	fixed	`70.0-1`

References

https://security.archlinux.org/ASA-201910-16
https://security-tracker.debian.org/tracker/CVE-2019-17000

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