Common Problems

Common Problems 119102

Ubuntu 14.04 LTS unattended-upgrades repeatedly fails

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: 14.04 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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CentOS Stream 10 — freeipmi — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 10

CentOS Stream 10 — freeipmi — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: CentOS Stream 10 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2026:13515 Related CVEs: CVE-2026-33554 Upstream summary: The freeipmi packages contain an Intelligent Platform Management Interface (IPMI) remote console and system management software based on the IPMI specification. Security Fix(es): * freeipmi: […]

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Debian 13 — libvirt — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libvirt — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-5086 CVE-2009-0036 CVE-2010-2237 CVE-2010-2238 CVE-2010-2239 CVE-2010-2242 CVE-2011-1146 CVE-2011-1486  +12 more Upstream summary: Multiple methods in libvirt 0.3.2 through 0.5.1 do not check if a connection is read-only, which […]

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CentOS Stream 9 — python3.11-urllib3 — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — python3.11-urllib3 — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2026:1089 Related CVEs: CVE-2025-66418 CVE-2025-66471 CVE-2026-21441 CVE-2023-45803 CVE-2024-37891 CVE-2023-43804 Upstream summary: Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and […]

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Common Problems 120136

Debian 12 Postfix Queue Backlog Due to DNSBL Timeout

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: Debian 12 📖 ~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 7.3 — CVE-2002-0747 — buffer overflow — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2002-0747 — buffer overflow — patch and remediation guide

🟠 High   ⏱ 30–90 min  Last verified: 25 May 2026 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2002-0747, IBM PSIRT advisory page CVE: CVE-2002-0747 NVD summary: Buffer overflow in lsmcode in AIX 4.3.3. References: archives.neohapsis.com/archives/aix/2002-q2/0005   archives.neohapsis.com/archives/aix/2002-q2/0005 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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NetBSD 10.0 — openssh — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — openssh — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: NetBSD advisory NetBSD-SA-2024-002 Related CVEs: CVE-2024-6387 CVE-2002-0639 CVE-2006-0225 CVE-2013-4548 CVE-2021-41617 CVE-2023-38408 CVE-2011-0539 CVE-2008-5161  +12 more Upstream summary: The sshd(8) login grace time expiry message is issued from signal handler context where it is not […]

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NetBSD 10.0 — multiple — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — multiple — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: NetBSD advisory NetBSD-SA-2023-007 Related CVEs: CVE-2023-45198 Upstream summary: A vulnerability in the NetBSD FTP server allows unauthenticated users to execute MLST and MLSD commands without authentication. This can lead to information leakage – unauthorized […]

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NetBSD 10.0 — kdc-spoofing — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — kdc-spoofing — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: NetBSD advisory NetBSD-SA-2023-006 Related CVEs: CVE-2023-3326 Upstream summary: On a NetBSD system with: – – ftpd, sshd, or some other network services enabled with default configuration, and – – /etc/krb5.conf created (possibly an empty […]

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NetBSD 10.0 — su — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — su — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: NetBSD advisory NetBSD-SA-2023-005 Upstream summary: An unprivileged user can bypass su(1) security checks by exploiting a flaw in the PAM module pam_ksu(8), which is supposed to authenticate the user by checking their Kerberos password. […]

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