Common Problems

Common Problems 121579

Debian 9 SSH Public Key Authentication Fails

🟠 High   ⏱ 5–30 min  Last verified: 8 June 2020 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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openSUSE Tumbleweed — iproxy — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — iproxy — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2016:1639-1 (see also SUSE bugzilla) Related CVEs: CVE-2016-5104 Upstream summary: The socket_create function in common/socket.c in libimobiledevice and libusbmuxd allows remote attackers to bypass intended access restrictions and communicate with services on […]

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FreeBSD 12 — bind97-base — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — bind97-base — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 June 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: dns/bind9* — crash on deliberately constructed combination of records Related CVEs: CVE-2012-5166 Upstream summary: ISC reports: A deliberately constructed combination of records could cause named to hang while populating the […]

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FreeBSD 12 — bchunk — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — bchunk — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 8 June 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: bchunk — access violation near NULL on destination operand and crash Related CVEs: CVE-2017-15953 CVE-2017-15954 CVE-2017-15955 Upstream summary: Mitre reports: bchunk 1.2.0 and 1.2.1 is vulnerable to an "Access violation […]

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FreeBSD 12 — percona57-client — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — percona57-client — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 8 June 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: MySQL Client — Multiple vulerabilities Related CVEs: CVE-2020-2752 CVE-2020-2875 CVE-2020-2922 CVE-2020-2933 CVE-2020-2934 Upstream summary: Oracle reports: This Critical Patch Update contains 45 new security patches for Oracle MySQL. 9 of […]

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Gentoo Linux — www-misc/awstats — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — www-misc/awstats — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202007-37 Related CVEs: CVE-2017-1000501 Upstream summary: Multiple vulnerabilities have been discovered in AWStats. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & Reproduction Root […]

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Debian 9 — apt — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — apt — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 June 2020 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-3462 CVE-2020-3810 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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Common Problems 120987

Debian 10 NO_PUBKEY Signature Verification Failure

🟠 High   ⏱ 5–30 min  Last verified: 7 June 2020 Affected versions: Debian 10 📖 ~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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Common Problems 117400

Ubuntu 20.04 LTS DNS Resolution Intermittently Fails

🟡 Medium   ⏱ 5–30 min  Last verified: 7 June 2020 📖 ~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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