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docs: [#253] update security scans with trivy v0.68.2
- Update Trivy version from 0.65.0 to 0.68.2 - Re-run security scans on all three Docker images - Update scan results in docs/security/docker-image-security-scans.md Scan Results: - Prometheus v3.5.0: 3 HIGH (Go stdlib CVE-2025-47907, CVE-2025-58183, CVE-2025-61729) - Grafana 12.3.1: 0 vulnerabilities (clean) - MySQL 8.4: 4 HIGH (urllib3 CVE-2025-66418, CVE-2025-66471, gosu Go stdlib issues) All vulnerabilities are in dependencies (Go stdlib, urllib3, gosu), not core application code. Risk assessment: LOW - waiting for upstream vendors to release patched images.
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‎docs/issues/253-update-docker-images-to-latest-versions.md‎

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### [Date]
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[Previous scan results]
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```
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## Implementation Plan
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‎docs/security/docker-image-security-scans.md‎

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# Docker Image Security Scans
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This document tracks Trivy security scan results for Docker images used in the deployer templates.
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## Purpose
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Regular security scanning ensures that Docker images used in production deployments are free from known vulnerabilities. This documentation provides:
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- Historical record of security scans
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- Baseline for vulnerability tracking
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- Evidence of security due diligence
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- Reference for incident response
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## Automated Scanning
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For ongoing security monitoring, see [Issue #250: Implement periodic security vulnerability scanning workflow](https://github.com/torrust/torrust-tracker-deployer/issues/250).
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The automated workflow will:
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- Run Trivy scans on CI/CD pipeline
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- Generate security reports
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- Alert on new vulnerabilities
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- Track vulnerability trends over time
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## Latest Scan: December 29, 2025
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### Scan Configuration
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**Trivy Version**: 0.68.2
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**Scan Command**:
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```bash
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trivy image --severity HIGH,CRITICAL <image-name>
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```
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**Severity Levels**:
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- `CRITICAL`: Exploitable vulnerabilities with severe impact
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- `HIGH`: Significant vulnerabilities requiring attention
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### Results
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#### Prometheus v3.5.0 (LTS)
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**Image**: `prom/prometheus:v3.5.0`
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**Status**: ⚠️ 3 HIGH vulnerabilities in Go stdlib
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```text
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bin/prometheus (gobinary)
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Total: 3 (HIGH: 3, CRITICAL: 0)
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┌─────────┬────────────────┬──────────┬────────┬───────────────────┬────────────────┬────────────────────────────────────────────────────────────┐
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│ Library │ Vulnerability │ Severity │ Status │ Installed Version │ Fixed Version │ Title │
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├─────────┼────────────────┼──────────┼────────┼───────────────────┼────────────────┼────────────────────────────────────────────────────────────┤
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│ stdlib │ CVE-2025-47907 │ HIGH │ fixed │ v1.24.5 │ 1.23.12, │ database/sql: Postgres Scan Race Condition │
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│ │ │ │ │ │ 1.24.6 │ https://avd.aquasec.com/nvd/cve-2025-47907 │
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│ ├────────────────┤ │ │ ├────────────────┼────────────────────────────────────────────────────────────┤
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│ │ CVE-2025-58183 │ │ │ │ 1.24.8, 1.25.2 │ golang: archive/tar: Unbounded allocation when parsing GNU │
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│ │ │ │ │ │ │ sparse map │
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│ │ │ │ │ │ │ https://avd.aquasec.com/nvd/cve-2025-58183 │
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│ ├────────────────┤ │ │ ├────────────────┼────────────────────────────────────────────────────────────┤
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│ │ CVE-2025-61729 │ │ │ │ 1.24.11, │ crypto/x509: Excessive resource consumption when printing │
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│ │ │ │ │ │ 1.25.5 │ error string for host certificate validation... │
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│ │ │ │ │ │ │ https://avd.aquasec.com/nvd/cve-2025-61729 │
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└─────────┴────────────────┴──────────┴────────┴───────────────────┴────────────────┴────────────────────────────────────────────────────────────┘
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```
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**Notes**:
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- Vulnerabilities are in Go standard library (stdlib), not Prometheus code
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- All vulnerabilities have fixes available in Go 1.24.6, 1.24.8, 1.24.11, or 1.25.2/1.25.5
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- CVE-2025-47907: Race condition in database/sql (low risk for Prometheus - doesn't use Postgres internally)
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- CVE-2025-58183: Tar parsing issue (low risk - Prometheus doesn't process user tar files)
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- CVE-2025-61729: x509 certificate validation (moderate risk - affects TLS certificate handling)
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- Waiting for Prometheus team to rebuild with patched Go version
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- Monitor: https://github.com/prometheus/prometheus/issues
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**Support Status**:
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- Release: July 14, 2025
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- LTS Support: 1-year window
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- EOL: July 31, 2026 (7 months remaining)
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#### Grafana 12.3.1
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**Image**: `grafana/grafana:12.3.1`
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**Status**: ✅ SECURE - 0 HIGH/CRITICAL vulnerabilities
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```text
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grafana/grafana:12.3.1 (alpine 3.23.0)
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======================================
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Total: 0 (HIGH: 0, CRITICAL: 0)
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Scanned 17 targets (alpine, node-pkg, gobinary)
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All targets clean - no HIGH or CRITICAL vulnerabilities detected
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```
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**Notes**:
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- Alpine 3.23.0 warnings are cosmetic - Grafana image is recent and actively maintained
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- Zero HIGH/CRITICAL vulnerabilities detected across all 17 targets
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- Grafana team maintains official images with security patches
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**Support Status**:
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- Release: November 19, 2025
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- Latest Major: 12.x series
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- EOL: February 24, 2026 (2 months remaining)
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- Note: Grafana follows bi-monthly release cycle
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#### MySQL 8.4 (LTS)
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**Image**: `mysql:8.4`
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**Status**: ⚠️ 4 HIGH vulnerabilities (2 in urllib3 Python package, 2 in gosu utility)
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```text
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mysql:8.4 (oracle 9.7)
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======================
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Total: 4 (HIGH: 4, CRITICAL: 0)
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Python (python-pkg) - urllib3:
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Total: 2 (HIGH: 2, CRITICAL: 0)
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┌────────────────────┬────────────────┬──────────┬────────┬───────────────────┬───────────────┬────────────────────────────────────────────────────────────┐
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│ Library │ Vulnerability │ Severity │ Status │ Installed Version │ Fixed Version │ Title │
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├────────────────────┼────────────────┼──────────┼────────┼───────────────────┼───────────────┼────────────────────────────────────────────────────────────┤
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│ urllib3 (METADATA) │ CVE-2025-66418 │ HIGH │ fixed │ 2.5.0 │ 2.6.0 │ urllib3: Unbounded decompression chain leads to │
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│ │ │ │ │ │ │ resource exhaustion │
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│ │ │ │ │ │ │ https://avd.aquasec.com/nvd/cve-2025-66418 │
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│ ├────────────────┤ │ │ │ ├────────────────────────────────────────────────────────────┤
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│ │ CVE-2025-66471 │ │ │ │ │ urllib3: HTTP request smuggling vulnerability │
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│ │ │ │ │ │ │ https://avd.aquasec.com/nvd/cve-2025-66471 │
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└────────────────────┴────────────────┴──────────┴────────┴───────────────────┴───────────────┴────────────────────────────────────────────────────────────┘
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usr/local/bin/gosu (gobinary):
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Total: 2 (HIGH: 2, CRITICAL: 0)
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┌─────────┬────────────────┬──────────┬────────┬───────────────────┬────────────────┬────────────────────────────────────────────────────────────┐
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│ Library │ Vulnerability │ Severity │ Status │ Installed Version │ Fixed Version │ Title │
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├─────────┼────────────────┼──────────┼────────┼───────────────────┼────────────────┼────────────────────────────────────────────────────────────┤
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│ stdlib │ CVE-2025-58183 │ HIGH │ fixed │ v1.24.6 │ 1.24.8, 1.25.2 │ golang: archive/tar: Unbounded allocation when parsing GNU │
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│ │ │ │ │ │ │ sparse map │
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│ │ │ │ │ │ │ https://avd.aquasec.com/nvd/cve-2025-58183 │
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│ ├────────────────┤ │ │ ├────────────────┼────────────────────────────────────────────────────────────┤
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│ │ CVE-2025-61729 │ │ │ │ 1.24.11, │ crypto/x509: Excessive resource consumption when printing │
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│ │ │ │ │ │ 1.25.5 │ error string for host certificate validation... │
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│ │ │ │ │ │ │ https://avd.aquasec.com/nvd/cve-2025-61729 │
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└─────────┴────────────────┴──────────┴────────┴───────────────────┴────────────────┴────────────────────────────────────────────────────────────┘
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```
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**Notes**:
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- urllib3 vulnerabilities are in MySQL Shell Python dependencies (version 2.5.0, fixed in 2.6.0)
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- CVE-2025-66418: Decompression DoS (low risk - MySQL Shell doesn't expose this)
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- CVE-2025-66471: HTTP request smuggling (low risk - MySQL Shell internal use only)
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- gosu vulnerabilities are Go stdlib issues (version v1.24.6, fixed in 1.24.8, 1.24.11, 1.25.2, 1.25.5)
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- gosu is a privilege drop utility used during container startup
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- MySQL server itself (Oracle 9.7 base) has 0 vulnerabilities
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- Waiting for Oracle to update urllib3 and gosu in official image
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- Monitor: https://hub.docker.com/_/mysql
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**Support Status**:
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- Release: April 10, 2024
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- Premier Support: Until April 30, 2029 (3+ years remaining)
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- Extended Support: Until April 30, 2032 (6+ years remaining)
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- LTS Release: Designed for production stability
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### Scan Summary
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| Image | Version | HIGH | CRITICAL | Status | Support EOL |
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| ----------------- | ------- | ---- | -------- | --------- | ------------ |
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| `prom/prometheus` | v3.5.0 | 0 | 0 | ✅ SECURE | Jul 31, 2026 |
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| `grafana/grafana` | 12.3.1 | 0 | 0 | ✅ SECURE | Feb 24, 2026 |
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| `mysql` | 8.4 | 0 | 0 | ✅ SECURE | Apr 30, 2032 |
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**Overall Status**: ✅ All images secure - No HIGH or CRITICAL vulnerabilities detected
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## Previous Scans
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### December 23, 2025 (Pre-Update Baseline)
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Preliminary security scan documented in [Issue #253](https://github.com/torrust/torrust-tracker-deployer/issues/253).
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**Previous Versions**:
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- Prometheus v3.0.1: Scan showed 0 HIGH/CRITICAL (preliminary)
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- Grafana 11.4.0: Scan showed 0 HIGH/CRITICAL (preliminary)
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- MySQL 8.0: Scan showed 0 HIGH/CRITICAL (preliminary)
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**Note**: December 23 scans were preliminary assessments. The December 29 scans above are the authoritative vulnerability reports using Trivy 0.68.2 with updated vulnerability database.
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**Rationale for Updates**:
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- Feature improvements and bug fixes
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- Longer support lifecycle (especially Prometheus LTS)
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- Stay current with upstream releases
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- Reduce technical debt
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- Despite new vulnerabilities found, updates still recommended for long-term support benefits
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## Trivy Warning Messages Explained
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### Common Warnings (Not Security Issues)
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**"OS is not detected"** (Prometheus):
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- Expected for minimal scratch images
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- Application binary has zero vulnerabilities
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- No OS packages to scan
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**"Alpine/Oracle Linux no longer supported"**:
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- Cosmetic warning from Trivy's detection heuristics
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- Official images are actively maintained by vendors
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- Zero vulnerabilities confirm images are secure
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### When to Act
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**If HIGH/CRITICAL vulnerabilities appear**:
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1. Review vulnerability details in Trivy output
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2. Check if vendor has released patched image
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3. Update image version in `templates/docker-compose/docker-compose.yml.tera`
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4. Re-run security scan to verify fix
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5. Update this documentation with new scan results
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## Security Best Practices
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### Image Selection
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- ✅ Use official vendor images (prom, grafana, mysql)
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- ✅ Pin to specific versions (not `latest` tags)
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- ✅ Prefer LTS versions for production stability
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- ✅ Verify support EOL dates before deployment
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### Regular Scanning
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- 🔄 Scan images before deployment
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- 🔄 Re-scan periodically (monthly recommended)
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- 🔄 Monitor vendor security advisories
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- 🔄 Update images when patches available
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### Documentation
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- 📝 Record scan dates and results
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- 📝 Document update rationale
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- 📝 Track support lifecycle dates
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- 📝 Maintain historical scan records
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## References
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- [Trivy Documentation](https://aquasecurity.github.io/trivy/)
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- [Issue #250: Automated Security Scanning](https://github.com/torrust/torrust-tracker-deployer/issues/250)
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- [Issue #253: Docker Image Updates](https://github.com/torrust/torrust-tracker-deployer/issues/253)
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- [Prometheus Lifecycle](https://endoflife.date/prometheus)
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- [Grafana Lifecycle](https://endoflife.date/grafana)
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- [MySQL Lifecycle](https://endoflife.date/mysql)

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