CVE-2020-6399

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

Description

Insufficient policy enforcement in AppCache in Google Chrome prior to 80.0.3987.87 allowed a remote attacker to leak cross-origin data via a crafted HTML page.

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-2020-6399

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-202002-3

OS impact

OSVersionStatusFixed in
arch archfixed80.0.3987.87-1
debian debianbookwormfixed80.0.3987.106-1
debian debianbullseyefixed80.0.3987.106-1
debian debianforkyfixed80.0.3987.106-1
debian debiansidfixed80.0.3987.106-1
debian debiantrixiefixed80.0.3987.106-1

References

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