Linux

Alpine Linux 3.20 — py3-cairosvg — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — py3-cairosvg — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 2.7.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — py3-cairosvg 2.7.0-r0 Related CVEs: CVE-2023-27586 CVE-2021-21236 Upstream summary: Alpine community repository for vv3.20 ships py3-cairosvg 2.7.0-r0 which addresses CVE-2023-27586. Table of contents Symptom & Impact […]

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Debian 13 — node-braces — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — node-braces — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 20 October 2025 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2024-4068 Upstream summary: The NPM package `braces`, versions prior to 3.0.3, fails to limit the number of characters it can handle, which could lead to Memory Exhaustion. In `lib/parse.js,` […]

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Debian 13 — node-babel7 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — node-babel7 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 20 October 2025 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-45133 Upstream summary: Babel is a compiler for writingJavaScript. In `@babel/traverse` prior to versions 7.23.2 and 8.0.0-alpha.4 and all versions of `babel-traverse`, using Babel to compile code that was […]

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Common Problems 119436

Debian 13 Repository Signature Error NO_PUBKEY

🟡 Medium   ⏱ 5–30 min  Last verified: 20 October 2025 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]

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Debian 13 — doctrine — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — doctrine — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 20 October 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2011-1522 CVE-2015-5723 Upstream summary: Multiple SQL injection vulnerabilities in the Doctrine\DBAL\Platforms\AbstractPlatform::modifyLimitQuery function in Doctrine 1.x before 1.2.4 and 2.x before 2.0.3 allow remote attackers to execute arbitrary SQL […]

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Common Problems 113900

RHEL 10 – dnf fails with SSL certificate verification error against repo mirror – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 20 October 2025 Affected versions: RHEL 10.0 RHEL 10.1 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related […]

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Rocky Linux 8 — perl-Package-Generator — vulnerability — patch and remediation guide — diagnosis and fix on Rocky Linux 8

Rocky Linux 8 — perl-Package-Generator — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 8 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2026:8096 Related CVEs: CVE-2025-40909 Upstream summary: Perl is a high-level programming language that is commonly used for system administration utilities and web programming. Security Fix(es): * perl: Perl threads have […]

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Debian 13 — calife — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — calife — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 20 October 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-0188 Upstream summary: Heap-based buffer overflow in Calife 2.8.5 and earlier may allow local users to execute arbitrary code via a long password. Table of contents Symptom & […]

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Common Problems 116608

Ubuntu 24.04 LTS SSH Service Fails After Host Key or Config Changes

🔴 Critical   ⏱ 5–30 min  Last verified: 20 October 2025 Affected versions: Ubuntu 24.04 LTS 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]

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Ubuntu 16.04 — ruby2.3 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — ruby2.3 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 20 October 2025 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8137-1 Related CVEs: CVE-2025-61594 CVE-2024-35176 CVE-2025-6442 CVE-2024-41123 CVE-2024-41946 CVE-2024-47220 CVE-2024-39908 CVE-2024-49761  +12 more Upstream summary: It was discovered that the Ruby URI gem did not properly handle sensitive information when […]

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