The rend_service_intro_established function in or/rendservice.c in Tor before 0.2.8.15, 0.2.9.x before 0.2.9.12, 0.3.0.x before 0.3.0.11, 0.3.1.x before 0.3.1.7, and 0.3.2.x before 0.3.2.1-alpha, when SafeLogging is disabled, allows attackers to obtain sensitive information by leveraging access to the log files of a hidden service, because uninitialized stack data is included in an error message about construction of an introduction point circuit.
CVE-2017-0380
Score 5.9 from GitHub Security Advisory published 2022-05-17. NVD baseline CVSS 5.9; sources differ by 0.0.
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 5.9
- EG Score
- 5.9(medium)
- EG Risk
- 32(Track)EG Risk 32/100SSVC: 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 computedSeverity59% × 45%Exploitation2% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS PROB
- 2%
- EPSS %ILE
- 73%
- KEV
- Not listed
Published
September 18, 2017
Last Modified
June 17, 2026
References (8)
- security@debianhttp://www.debian.org/security/2017/dsa-3993
- security@debianhttp://www.securitytracker.com/id/1039519
- security@debianhttps://github.com/torproject/tor/commit/09ea89764a4d3a907808ed7d4fe42abfe64bd486
- security@debianhttps://trac.torproject.org/projects/tor/ticket/23490
- af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2017/dsa-3993
- af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1039519
- af854a3a-2127-422b-91ae-364da2661108https://github.com/torproject/tor/commit/09ea89764a4d3a907808ed7d4fe42abfe64bd486
- af854a3a-2127-422b-91ae-364da2661108https://trac.torproject.org/projects/tor/ticket/23490
Affected Packages
(5 across 5 ecosystems)
Debian:11(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| tor | — | 0.3.1.7-1 | — |
Debian:12(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| tor | — | 0.3.1.7-1 | — |
Debian:13(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| tor | — | 0.3.1.7-1 | — |
Debian:14(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| tor | — | 0.3.1.7-1 | — |
Debian:9(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| tor | 0.2.9.10-1, 0.2.9.11-1, 0.2.9.11-1~bpo8+1, 0.2.9.11-1~deb9u1, 0.2.9.12-1~bpo8+1 | 0.2.9.12-1 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 3× in last 7d / 24× 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 127 total refreshes for this CVE.
- 2026-08-25 13:44 UTCEPSS rescore
- 2026-08-21 23:44 UTCEPSS rescore
- 2026-08-19 16:59 UTCEPSS rescore
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- 2026-08-13 22:04 UTCOSV refresh
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- 2026-07-29 00:51 UTCOSV refresh
- 2026-07-28 15:31 UTCEPSS rescore
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- 2026-07-25 14:13 UTCEPSS rescore
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- 2026-07-23 01:25 UTCEG score recompute
- 2026-07-22 22:04 UTCEG score recompute
- 2026-07-22 14:04 UTCEPSS rescore
- 2026-07-21 15:21 UTCEPSS rescore
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- 2026-07-12 05:43 UTCEPSS rescore
- 2026-07-12 05:43 UTCEPSS rescore
- 2026-07-11 17:41 UTCOSV refresh
- 2026-07-11 08:24 UTCEPSS rescore
- 2026-07-09 19:06 UTCEPSS rescore
- 2026-07-08 15:10 UTCEPSS rescore
- 2026-07-07 13:42 UTCEPSS rescore
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- 2026-06-28 14:04 UTCEPSS rescore
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- 2026-06-25 13:47 UTCEPSS rescore
- 2026-06-24 14:02 UTCEPSS rescore
- 2026-06-23 21:30 UTCEPSS rescore
- 2026-06-23 00:00 UTCOSV refresh
- 2026-06-22 14:23 UTCEPSS rescore
- 2026-06-21 14:54 UTCEPSS rescore
- 2026-06-21 14:54 UTCEPSS rescore
- 2026-06-21 01:57 UTCEPSS rescore
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- 2026-06-19 19:23 UTCEPSS rescore
- 2026-06-19 19:23 UTCEPSS rescore
- 2026-06-18 17:50 UTCEPSS rescore
- 2026-06-18 17:50 UTCEPSS rescore
- 2026-06-17 17:50 UTCEPSS rescore
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- 2026-06-16 17:50 UTCEPSS rescore
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- 2026-06-14 23:14 UTCEPSS rescore
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- 2026-06-13 22:57 UTCEPSS rescore
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- 2026-06-06 13:45 UTCEPSS rescore
- 2026-06-06 13:45 UTCEPSS rescore
- 2026-06-05 22:44 UTCEPSS rescore
- 2026-06-05 18:27 UTCOSV refresh
- 2026-06-05 06:08 UTCEPSS rescore
- 2026-06-05 06:08 UTCEPSS rescore
- 2026-06-04 13:10 UTCEPSS rescore
Frequently asked(5)
What is CVE-2017-0380?
When was CVE-2017-0380 disclosed?
Is CVE-2017-0380 actively exploited?
What is the CVSS score of CVE-2017-0380?
How do I remediate CVE-2017-0380?
Dependency Blast Radius
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