CVE-2017-16541

medium
Published 2017-11-04 · Modified 2026-05-13
CVSS v3
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
CVSS v2
4.3
VIR risk
6.5

Description

Tor Browser before 7.0.9 on macOS and Linux allows remote attackers to bypass the intended anonymity feature and discover a client IP address via vectors involving a crafted web site that leverages file:// mishandling in Firefox, aka TorMoil. NOTE: Tails is unaffected.

Predictions

Exploit likelihood
75%
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-2017-16541

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2017-16541.html

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://trac.torproject.org/projects/tor/ticket/24052

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — https://blog.torproject.org/tor-browser-709-released

OS impact

OSVersionStatusFixed in
suse slesaffected
debian debiansidfixed62.0-1
debian debianbookwormfixed60.2.0esr-1
debian debianbullseyefixed60.2.0esr-1
debian debianforkyfixed60.2.0esr-1
debian debiantrixiefixed60.2.0esr-1
redhat rhel6.0affected
redhat rhel7.0affected
redhat rhel7.5affected
redhat rhel7.6affected
redhat rhel7.7affected
macos macos-not-affected
linux linux-kernel-not-affected
debian debian8.0affected
debian debian9.0affected

Application impact

VendorProductVersionsFixed
torprojecttor{"endExcluding":"7.0.9"}7.0.9

References

CWEs

CWE-200

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