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.
CVE-2017-16541
Score 6.5 from GitHub Security Advisory published 2022-05-13. NVD baseline CVSS 6.5; sources differ by 0.0.
- Lower severity and no public exploit yet
A fix is available — apply it.
- CVSS v3
- 6.5
- EG Score
- 6.5(medium)
- EG Risk
- 35(Track)EG Risk 35/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity65% × 45%Exploitation4% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 4%
- EPSS %ILE
- 89%
- KEV
- Not listed
Published
November 4, 2017
Last Modified
June 17, 2026
References (30)
- cve@mitrehttp://www.securityfocus.com/bid/101665
- cve@mitrehttp://www.securitytracker.com/id/1041610
- cve@mitrehttps://access.redhat.com/errata/RHSA-2018:2692
- cve@mitrehttps://access.redhat.com/errata/RHSA-2018:2693
- cve@mitrehttps://access.redhat.com/errata/RHSA-2018:3403
- cve@mitrehttps://access.redhat.com/errata/RHSA-2018:3458
- cve@mitrehttps://blog.torproject.org/tor-browser-709-released
- cve@mitrehttps://bugzilla.mozilla.org/show_bug.cgi?id=1412081
- cve@mitrehttps://lists.debian.org/debian-lts-announce/2018/11/msg00011.html
- cve@mitrehttps://security.gentoo.org/glsa/201810-01
- cve@mitrehttps://security.gentoo.org/glsa/201811-13
- cve@mitrehttps://trac.torproject.org/projects/tor/ticket/24052
- cve@mitrehttps://www.bleepingcomputer.com/news/security/tormoil-vulnerability-leaks-real-ip-address-from-tor-browser-users/
- cve@mitrehttps://www.debian.org/security/2018/dsa-4327
- cve@mitrehttps://www.wearesegment.com/research/tormoil-torbrowser-unspecified-critical-security-vulnerability/
Vendor Advisories for CVE-2017-16541(2)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Patch Availability(4)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| redhat | thunderbird-0:60.2.1-4.el7_5 | 2018-11-05 | redhat |
| redhat | thunderbird-0:60.2.1-5.el6 | 2018-10-30 | redhat |
| redhat | firefox-0:60.2.0-1.el6 | 2018-09-12 | redhat |
| redhat | firefox-0:60.2.0-1.el7_5 | 2018-09-12 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(10 across 6 ecosystems)
Debian:11(2)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| firefox-esr | — | 60.2.0esr-1 | — |
| thunderbird | — | 1:60.2.1-1 | — |
Debian:12(2)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| firefox-esr | — | 60.2.0esr-1 | — |
| thunderbird | — | 1:60.2.1-1 | — |
Debian:13(2)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| firefox-esr | — | 60.2.0esr-1 | — |
| thunderbird | — | 1:60.2.1-1 | — |
Debian:14(2)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| firefox-esr | — | 60.2.0esr-1 | — |
| thunderbird | — | 1:60.2.1-1 | — |
Debian:8(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| thunderbird | 1.5-4 ... 1:60.2.1-2~deb9u1 (58 versions) | 1:60.3.0-1~deb8u1 | — |
Debian:9(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| thunderbird | 1.5-4 ... 1:60.2.1-1 (57 versions) | 1:60.2.1-2~deb9u1 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Additional Vendor Advisories
(2)
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
Data Freshness Timeline
(refreshed 7× in last 7d / 28× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
Showing the most recent 100 of 120 total refreshes for this CVE.
- 2026-08-20 22:50 UTCEPSS rescore
- 2026-08-19 16:59 UTCEPSS rescore
- 2026-08-18 13:43 UTCEPSS rescore
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- 2026-08-13 17:51 UTCOSV refresh
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- 2026-07-28 22:51 UTCOSV refresh
- 2026-07-28 15:32 UTCEPSS rescore
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- 2026-07-23 14:15 UTCEPSS rescore
- 2026-07-23 01:28 UTCEG score recompute
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- 2026-07-11 15:22 UTCOSV refresh
- 2026-07-11 08:24 UTCEPSS rescore
- 2026-07-09 19:06 UTCEPSS rescore
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- 2026-06-22 22:05 UTCOSV refresh
- 2026-06-21 14:54 UTCEPSS rescore
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- 2026-06-13 22:57 UTCEPSS rescore
- 2026-06-12 23:09 UTCEPSS rescore
- 2026-06-11 13:57 UTCEPSS rescore
- 2026-06-10 22:15 UTCEPSS rescore
- 2026-06-08 14:14 UTCEPSS rescore
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- 2026-06-06 13:45 UTCEPSS rescore
- 2026-06-05 22:44 UTCEPSS rescore
- 2026-06-05 13:57 UTCOSV refresh
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- 2026-05-31 00:14 UTCEPSS rescore
- 2026-05-29 13:41 UTCEPSS rescore
Related CVEs(same vendor + same CWE)
Same vendor
10 shownredhat
- CVE-2001-0825EG 10.0HIGH
- CVE-2001-1009EG 10.0EPSS p93HIGH
- CVE-2001-0554EG 10.0EPSS p98HIGH
- CVE-2001-1162EG 10.0EPSS p96HIGH
- CVE-2001-0414EG 10.0EPSS p100HIGH
- CVE-2001-0191EG 10.0EPSS p92HIGH
- CVE-2001-0301EG 10.0EPSS p91HIGH
- CVE-2001-0197EG 10.0EPSS p96HIGH
- CVE-2001-0233EG 10.0EPSS p96HIGH
- CVE-2001-0010EG 10.0EPSS p98HIGH
Frequently asked(5)
What is CVE-2017-16541?
When was CVE-2017-16541 disclosed?
Is CVE-2017-16541 actively exploited?
What is the CVSS score of CVE-2017-16541?
How do I remediate CVE-2017-16541?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2017-16541
Is Your Infrastructure Affected by CVE-2017-16541?
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