Common Problems

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Ubuntu 16.04 Unattended Upgrades Keeps dpkg Busy

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 📖 ~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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SLES 12 — openslp — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — openslp — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2019-5544 CVE-2017-17833 CVE-2010-3609 CVE-2016-4912 CVE-2016-7567 Upstream summary: OpenSLP as used in ESXi and the Horizon DaaS appliances has a heap overwrite issue. VMware has evaluated […]

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Ubuntu 14.04 — libarchive — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — libarchive — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8292-1 Related CVEs: CVE-2026-4424 CVE-2026-4426 CVE-2026-5121 CVE-2019-19221 CVE-2025-25724 CVE-2025-5916 CVE-2025-5917 CVE-2026-4111  +12 more Upstream summary: It was discovered that libarchive incorrectly handled certain RAR archives. An attacker could possibly use […]

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CentOS Stream 10 — libpng — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 10

CentOS Stream 10 — libpng — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: CentOS Stream 10 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2026:3551 Related CVEs: CVE-2026-22695 CVE-2026-22801 CVE-2026-25646 CVE-2025-64720 CVE-2025-65018 CVE-2025-66293 CVE-2026-33416 CVE-2026-33636 Upstream summary: The libpng packages contain a library of functions for creating and manipulating Portable Network Graphics (PNG) image format […]

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NetBSD 10.0 — php-memcached — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — php-memcached — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2022-26635 Upstream summary: pkgsrc audit-packages flagged php{56,73,74,80,81}-memcached<2.1.0 for vulnerability class 'cross-site-scripting'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2022-26635 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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NetBSD 10.0 — php-orangehrm — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — php-orangehrm — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2012-1506 CVE-2012-1507 CVE-2019-12839 CVE-2020-29437 CVE-2021-28399 CVE-2022-27107 CVE-2025-66224 CVE-2025-66225  +4 more Upstream summary: pkgsrc audit-packages flagged php{5,53}-orangehrm<2.7 for vulnerability class 'sql-injection'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-1506 Table of contents Symptom & Impact Environment […]

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NetBSD 10.0 — php-phpmyadmin — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — php-phpmyadmin — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2018-15605 CVE-2018-19968 CVE-2018-19969 CVE-2018-19970 CVE-2019-6798 CVE-2019-6799 CVE-2019-11768 CVE-2019-12616  +7 more Upstream summary: pkgsrc audit-packages flagged php{56,70,71,72,73}-phpmyadmin<4.8.3 for vulnerability class 'cross-site-scripting'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2018-15605 Table of contents Symptom & Impact Environment […]

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NetBSD 10.0 — php-tt-rss — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — php-tt-rss — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2017-1000035 CVE-2017-16896 CVE-2020-25787 CVE-2020-25789 CVE-2020-25788 Upstream summary: pkgsrc audit-packages flagged php{56,70,71}-tt-rss-[0-9]* for vulnerability class 'cross-site-scripting'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2017-1000035 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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NetBSD 10.0 — php-wordpress — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — php-wordpress — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2017-9061 CVE-2017-9062 CVE-2017-9063 CVE-2017-9064 CVE-2017-9065 CVE-2017-9066 Upstream summary: pkgsrc audit-packages flagged php{56,70,71}-wordpress<4.7.5 for vulnerability class 'cross-site-scripting'. Reference: https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2017-9061 Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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NetBSD 10.0 — php-xdebug — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — php-xdebug — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2015-10141 Upstream summary: pkgsrc audit-packages flagged php{56,73,74,80,81,82,83,84}-xdebug-[0-9]* for vulnerability class 'command-injection'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2015-10141 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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