CVE-2018-18344

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

Description

Inappropriate allowance of the setDownloadBehavior devtools protocol feature in Extensions in Google Chrome prior to 71.0.3578.80 allowed a remote attacker with control of an installed extension to access files on the local file system via a crafted Chrome Extension.

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-2018-18344

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201812-2

OS impact

OSVersionStatusFixed in
arch archfixed71.0.3578.80-1
debian debiansidfixed71.0.3578.80-1
debian debiantrixiefixed71.0.3578.80-1
debian debianbookwormfixed71.0.3578.80-1
debian debianbullseyefixed71.0.3578.80-1
debian debianforkyfixed71.0.3578.80-1

References

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