Common Problems

Ubuntu 16.04 — zlib — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — zlib — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 5 November 2022 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5570-1 Related CVEs: CVE-2022-37434 CVE-2018-25032 CVE-2016-9840 CVE-2016-9841 CVE-2016-9842 CVE-2016-9843 Upstream summary: Evgeny Legerov discovered that zlib incorrectly handled memory when performing certain inflate operations. An attacker could use this issue […]

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IBM AIX 7.3 — CVE-2001-1440 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2001-1440 — vulnerability — patch and remediation guide

🟠 High   ⏱ 30–90 min  Last verified: 4 November 2022 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2001-1440, IBM Support Bulletin CVE: CVE-2001-1440 NVD summary: Unknown vulnerability in login for AIX 5.1L, when using loadable authentication modules, allows remote attackers to gain access to the system. References: securitytracker.com/id?1003038   […]

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Common Problems 116948

Ubuntu 22.04 LTS – temporary failure resolving hostnames breaks updates – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 4 November 2022 Affected versions: Ubuntu 22.04 LTS (Jammy) 📖 ~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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Common Problems 115610

Slow Boot Caused by Failed Units Waiting on Timeout

🟡 Medium   ⏱ 5–30 min  Last verified: 4 November 2022 📖 ~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 11 — php-horde — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — php-horde — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 4 November 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-6365 CVE-2015-7984 CVE-2016-2228 CVE-2017-16907 CVE-2019-12094 CVE-2019-12095 CVE-2020-8035 Upstream summary: Horde Groupware Web mail 5.1.2 has CSRF with requests to change permissions Table of contents Symptom & Impact Environment […]

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Common Problems 114471

HTTPD Fails to Bind Custom TLS Port on RHEL 9

🟡 Medium   ⏱ 5–30 min  Last verified: 4 November 2022 📖 ~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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Common Problems 111878

Windows Server 2022 — Time drift breaks Kerberos authentication for line-of-business apps — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 4 November 2022 Affected versions: Windows Server 2022 📖 ~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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Debian 11 — influxdb — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — influxdb — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 4 November 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-17572 CVE-2019-20933 CVE-2022-36640 Upstream summary: InfluxDB 0.9.5 has Reflected XSS in the Write Data module. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick […]

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Debian 11 — libimage-info-perl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libimage-info-perl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 November 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-9181 Upstream summary: perl-Image-Info: When parsing an SVG file, external entity expansion (XXE) was not disabled. An attacker could craft an SVG file which, when processed by an […]

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

Debian 11 — guacamole-server — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 November 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-9497 CVE-2020-9498 Upstream summary: Apache Guacamole 1.1.0 and older do not properly validate datareceived from RDP servers via static virtual channels. If a userconnects to a malicious or […]

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