Tor Browser before 7.0.9 on macOS and Linux allows remote attackers to bypass the…
Priority LOW 35CWE-200Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-200.
Summary
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.
Why it matters now
EPSS 0.03662 89th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Red Hat: 4 advisories
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 18
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:* | before 7.0.9 | Vulnerable | torproject |
| cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Apple |
| cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Linux |
| cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_eus:7.5:*:*:*:*:*:*:* | 7.5 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_eus:7.6:*:*:*:*:*:*:* | 7.6 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_eus:7.7:*:*:*:*:*:*:* | 7.7 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
- cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:* Versions before 7.0.9 Vulnerable ·torproject
- cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Apple
- cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Linux
- cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_eus:7.5:*:*:*:*:*:*:* Versions 7.5 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_eus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_eus:7.7:*:*:*:*:*:*:* Versions 7.7 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
Show 8 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* | 7.6 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_aus:7.7:*:*:*:*:*:*:* | 7.7 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:* | 7.6 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_tus:7.7:*:*:*:*:*:*:* | 7.7 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* | 6.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Red Hat |
| cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | Debian |
- cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_aus:7.7:*:*:*:*:*:*:* Versions 7.7 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:* Versions 7.6 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_tus:7.7:*:*:*:*:*:*:* Versions 7.7 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
Remediation
Red Hat 4 advisories
- RHSA-2018:3458 Released 2018-11-05 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux Client (v. 7) thunderbird-60.2.1-4.el7_5
- Red Hat Enterprise Linux Server Optional (v. 7) thunderbird-60.2.1-4.el7_5
- Red Hat Enterprise Linux Workstation (v. 7) thunderbird-60.2.1-4.el7_5
- Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) thunderbird-60.2.1-4.el7_5
- RHSA-2018:3403 Released 2018-10-30 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux Desktop (v. 6) thunderbird-60.2.1-5.el6
- Red Hat Enterprise Linux Server Optional (v. 6) thunderbird-60.2.1-5.el6
- Red Hat Enterprise Linux Workstation (v. 6) thunderbird-60.2.1-5.el6
- RHSA-2018:2693 Released 2018-09-12 · Red Hat rating Criticalfirefox security update
- Red Hat Enterprise Linux Desktop (v. 6) firefox-60.2.0-1.el6
- Red Hat Enterprise Linux Desktop Optional (v. 6) firefox-60.2.0-1.el6
- Red Hat Enterprise Linux HPC Node Optional (v. 6) firefox-60.2.0-1.el6
- Red Hat Enterprise Linux Server (v. 6) firefox-60.2.0-1.el6
- Red Hat Enterprise Linux Server Optional (v. 6) firefox-60.2.0-1.el6
- Red Hat Enterprise Linux Workstation (v. 6) firefox-60.2.0-1.el6
- Red Hat Enterprise Linux Workstation Optional (v. 6) firefox-60.2.0-1.el6
Show 1 more Red Hat advisories
- RHSA-2018:2692 Released 2018-09-12 · Red Hat rating Criticalfirefox security update
- Red Hat Enterprise Linux Client (v. 7) firefox-60.2.0-1.el7_5
- Red Hat Enterprise Linux Client Optional (v. 7) firefox-60.2.0-1.el7_5
- Red Hat Enterprise Linux Server (v. 7) firefox-60.2.0-1.el7_5
- Red Hat Enterprise Linux Server Optional (v. 7) firefox-60.2.0-1.el7_5
- Red Hat Enterprise Linux Workstation (v. 7) firefox-60.2.0-1.el7_5
- Red Hat Enterprise Linux Workstation Optional (v. 7) firefox-60.2.0-1.el7_5
- Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) firefox-60.2.0-1.el7_5
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux Client (v. 7) | Fixed | RHSA-2018:2692, RHSA-2018:3458 |
| Red Hat Enterprise Linux Client Optional (v. 7) | Fixed | RHSA-2018:2692 |
| Red Hat Enterprise Linux Desktop (v. 6) | Fixed | RHSA-2018:2693, RHSA-2018:3403 |
| Red Hat Enterprise Linux Desktop Optional (v. 6) | Fixed | RHSA-2018:2693 |
| Red Hat Enterprise Linux HPC Node Optional (v. 6) | Fixed | RHSA-2018:2693 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2018:2693 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2018:2692 |
| Red Hat Enterprise Linux Server Optional (v. 6) | Fixed | RHSA-2018:2693, RHSA-2018:3403 |
| Red Hat Enterprise Linux Server Optional (v. 7) | Fixed | RHSA-2018:2692, RHSA-2018:3458 |
| Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2018:2693, RHSA-2018:3403 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2018:2692, RHSA-2018:3458 |
| Red Hat Enterprise Linux Workstation Optional (v. 6) | Fixed | RHSA-2018:2693 |
| Red Hat Enterprise Linux Workstation Optional (v. 7) | Fixed | RHSA-2018:2692 |
| Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) | Fixed | RHSA-2018:2692 |
| Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) | Fixed | RHSA-2018:3458 |
Timeline
- 2026-10-02 Threatist record created from CVE-2017-16541
- 2026-10-03 Alias added: GHSA-9348-g23j-56pf
References
Advisory 12
- https://trac.torproject.org/projects/tor/ticket/24052
- GLSA-201810-01
- RHSA-2018:2693
- [debian-lts-announce] 20181112 [SECURITY] [DLA 1575-1] thunderbird security update
- https://www.wearesegment.com/research/tormoil-torbrowser-unspecified-critical-security-vulnerability/
- GLSA-201811-13
- https://www.bleepingcomputer.com/news/security/tormoil-vulnerability-leaks-real-ip-address-from-tor-browser-users/
- DSA-4327
- RHSA-2018:3403
- https://blog.torproject.org/tor-browser-709-released
- RHSA-2018:2692
- RHSA-2018:3458
Sources
- CVE-2017-16541 · CVE Program
- CVE-2017-16541 · NVD
- FIRST EPSS
- GHSA-9348-g23j-56pf · GitHub Advisory Database · CC BY 4.0
- CVE-2017-16541 · Red Hat security data · CC BY 4.0
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