Bazaar through 2.7.0, when Subprocess SSH is used, allows remote attackers to execute arbitrary commands via a bzr+ssh URL with an initial dash character in the hostname, a related issue to CVE-2017-9800, CVE-2017-12836, CVE-2017-12976, CVE-2017-16228, CVE-2017-1000116, and CVE-2017-1000117.
CVE-2017-14176
Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2022-05-13. NVD baseline CVSS 8.8; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 8.8
- EG Score
- 8.8HIGHmedium confidence
- EG Risk
- 47EG Risk 47/100CISA SSVC
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 computedSeverity88% × 45%Exploitation6% × 40%Automatability30% × 15%CISA SSVC: Track at low or medium mission impact; Track or Attend at high (mission-essential systems).Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high. - EPSS PROB
- 6.0%
- EPSS %ILE
- 93rd
- KEV
- Not listed
CISA SSVCTrack at low or medium mission impact; Track or Attend at high (mission-essential systems).
A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
Exploitation none (no KEV listing, exploit record or EPSS ≥ 50%) · Automatable unknown (not published for this CVE) · Technical impact partial (CVSS below 9.0). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table
Published
November 27, 2017
Last Modified
June 17, 2026
Advisory Details (5)
Auto-updated Aug 10, 2026#874429 - bzr: CVE-2017-14176: bzr+ssh URLs don't strip SSH options - Debian Bug report logs
https://bugs.debian.org/874429CVE-2017-14176 | Ubuntu
http://people.canonical.com/~ubuntu-security/cve/2017/CVE-2017-14176.html1486685 – (CVE-2017-14176) CVE-2017-14176 bzr: does not strip bzr+ssh SSH options
https://bugzilla.redhat.com/show_bug.cgi?id=1486685Bug #1710979 “bzr+ssh URLs don't strip SSH options” : Bugs : Bazaar
https://bugs.launchpad.net/bzr/+bug/1710979Vendor Advisories for CVE-2017-14176(2)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
- CVE-2017-14176Microsoft Security Response Center (MSRC)High
Bazaar through 2.7.0, when Subprocess SSH is used, allows remote attackers to execute arbitrary commands
- GHSA-jjxg-hpm7-g95fGitHub Security AdvisoriesHigh
Bazaar allows remote attackers to execute arbitrary commands via a bzr+ssh URL with initial dash character in hostname
Patch Availability(1)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | bzr (2.5.1-0ubuntu2.1) @ precise | 2026-05-22 | ubuntu |
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
(11 across 8 ecosystems)
Debian:11(2)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| breezy | — | 3.0.0~bzr6772-1 | — |
| bzr | — | 2.7.0+bzr6622-7 | — |
Debian:12(2)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| breezy | — | 3.0.0~bzr6772-1 | — |
| bzr | — | 2.7.0+bzr6622-7 | — |
Debian:13(2)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| breezy | — | 3.0.0~bzr6772-1 | — |
| bzr | — | 2.7.0+bzr6622-7 | — |
Debian:14(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| breezy | — | 3.0.0~bzr6772-1 | — |
Debian:7(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| bzr | 2.6.0~bzr6526-1 | 2.6.0~bzr6526-1+deb7u1 | — |
Debian:8(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| bzr | 2.6.0+bzr6595-6 | 2.6.0+bzr6595-6+deb8u1 | — |
Debian:9(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| bzr | 2.7.0+bzr6619-7 | 2.7.0+bzr6619-7+deb9u1 | — |
PyPI(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| bzr | 2.6.0, 2.7.0 | — | — |
Additional Vendor Advisories
(1)
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 4× in last 7d / 16× 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 150 total refreshes for this CVE.
- 2026-10-03 14:21 UTCEPSS rescore
- 2026-09-30 14:58 UTCEPSS rescore
- 2026-09-30 09:27 UTCEG score recompute
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- 2026-08-30 03:48 UTCOSV refresh
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- 2026-08-26 14:41 UTCEPSS rescore
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- 2026-08-13 16:21 UTCOSV refresh
- 2026-08-09 13:42 UTCEPSS rescore
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- 2026-07-28 21:51 UTCOSV refresh
- 2026-07-28 15:32 UTCEPSS rescore
- 2026-07-26 14:51 UTCEPSS rescore
- 2026-07-25 14:13 UTCEPSS rescore
- 2026-07-23 14:15 UTCEPSS rescore
- 2026-07-23 01:27 UTCEG score recompute
- 2026-07-22 22:06 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
- 2026-07-11 14:41 UTCOSV refresh
- 2026-07-11 08:24 UTCEPSS rescore
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- 2026-07-08 15:10 UTCEPSS rescore
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- 2026-06-22 21:05 UTCOSV refresh
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- 2026-06-21 14:54 UTCEPSS rescore
- 2026-06-21 14:54 UTCEPSS rescore
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Frequently asked(5)
What is CVE-2017-14176?
When was CVE-2017-14176 disclosed?
Is CVE-2017-14176 actively exploited?
What is the CVSS score of CVE-2017-14176?
How do I remediate CVE-2017-14176?
Dependency Blast Radius
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