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Alpine Linux edge — snort — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — snort — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 2.9.18-r0 📖 ~4 min read  •  Source: Alpine secdb entry — snort 2.9.18-r0 Related CVEs: CVE-2021-40114 Upstream summary: Alpine main repository for vedge ships snort 2.9.18-r0 which addresses CVE-2021-40114. Table of contents Symptom & Impact Environment […]

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Debian 11 — xgalaga — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — xgalaga — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2003-0454 Upstream summary: Multiple buffer overflows in xgalaga 2.0.34 and earlier allow local users to gain privileges via a long HOME environment variable. Table of contents Symptom & […]

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Debian 11 — libexif — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libexif — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-0664 CVE-2006-4168 CVE-2007-2645 CVE-2007-6351 CVE-2007-6352 CVE-2009-3895 CVE-2012-2812 CVE-2012-2813  +12 more Upstream summary: Buffer overflow in the EXIF library (libexif) 0.6.9 does not properly validate the structure of the […]

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Debian 11 — wss4j — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — wss4j — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-0226 CVE-2015-0227 Upstream summary: Apache WSS4J before 1.6.17 and 2.0.x before 2.0.2 improperly leaks information about decryption failures when decrypting an encrypted key or message data, which makes […]

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Alpine Linux edge — recutils — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — recutils — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 1.9-r0 📖 ~4 min read  •  Source: Alpine secdb entry — recutils 1.9-r0 Related CVEs: CVE-2021-46019 CVE-2021-46021 CVE-2021-46022 Upstream summary: Alpine community repository for vedge ships recutils 1.9-r0 which addresses CVE-2021-46019. Table of contents Symptom & […]

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Common Problems 113013

Windows Server 2016 — SNMP service stops responding to queries — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 25 October 2021 Affected versions: Windows Server 2016 📖 ~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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IBM AIX 7.1 — CVE-2021-39035 — xss — patch and remediation guide — diagnosis and fix on IBM AIX 7.1

IBM AIX 7.1 — CVE-2021-39035 — xss — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 24 October 2021 Affected versions: IBM AIX 7.1 📖 ~4 min read  •  Source: NVD CVE-2021-39035, IBM Support Bulletin CVE: CVE-2021-39035 NVD summary: IBM Sterling B2B Integrator Standard Edition 6.0.0.0 through 6.0.3.5, 6.1.0.0 through 6.1.0.4, and 6.1.1.0 through 6.1.1.1 is vulnerable to cross-site scripting. This vulnerability allows […]

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Oracle Linux 8 — freeradius:3.0 — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — freeradius:3.0 — security and stability fixes — required update (ELSA-2020-4799)

🟡 Medium   ⏱ 10–30 min  Last verified: 24 October 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-4799 Related CVEs: CVE-2019-17185 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Common Problems 121483

Debian 9: unattended-upgrades stuck and blocking apt

🟡 Medium   ⏱ 5–30 min  Last verified: 24 October 2021 Affected versions: Debian 9 📖 ~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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FreeBSD 13 — postgresql94-client — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — postgresql94-client — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 October 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: PostgreSQL vulnerabilities Related CVEs: CVE-2016-5423 CVE-2016-5424 Upstream summary: The PostgreSQL project reports: Security Fixes nested CASE expressions + database and role names with embedded special characters CVE-2017-7484: selectivity estimators bypass […]

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