Operations

Ubuntu 20.04 — cpdb-libs — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — cpdb-libs — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 July 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6204-1 Related CVEs: CVE-2023-34095 Upstream summary: Seth Arnold discovered that CPDB incorrectly handled certain characters. An attacker could possibly use this issue to cause a crash or execute arbitrary code. […]

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NetBSD 9.4 — postgresql92-client — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — postgresql92-client — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2016-5424 Upstream summary: pkgsrc audit-packages flagged postgresql92-client<9.2.18 for vulnerability class 'privilege-escalation'. Reference: https://access.redhat.com/security/cve/CVE-2016-5424 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Alpine Linux 3.18 — mpv — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — mpv — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 0.27.0-r3 📖 ~4 min read  •  Source: Alpine secdb entry — mpv 0.27.0-r3 Related CVEs: CVE-2018-6360 Upstream summary: Alpine community repository for vv3.18 ships mpv 0.27.0-r3 which addresses CVE-2018-6360. Table of contents Symptom & Impact Environment […]

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SLES 12 — jtidy — vulnerability — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — jtidy — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 11 July 2023 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2023:3016-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-34623 Upstream summary: An issue was discovered jtidy thru r938 allows attackers to cause a denial of service or other unspecified impacts via crafted object […]

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Ubuntu 20.04 — strongswan — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — strongswan — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 11 July 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6488-1 Related CVEs: CVE-2023-41913 CVE-2022-40617 CVE-2021-45079 CVE-2021-41990 CVE-2021-41991 Upstream summary: Florian Picca discovered that strongSwan incorrectly handled certain DH public values. A remote attacker could use this issue to cause […]

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NetBSD 9.4 — foomatic-filters — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — foomatic-filters — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2015-8560 CVE-2011-2964 CVE-2011-2697 Upstream summary: pkgsrc audit-packages flagged foomatic-filters>4 for vulnerability class 'remote-code-execution'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8560 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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SLES 15 — python3-reportlab — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — python3-reportlab — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 11 July 2023 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2023:2561-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-33733 CVE-2019-17626 CVE-2019-19450 CVE-2020-28463 Upstream summary: Reportlab up to v3.6.12 allows attackers to execute arbitrary code via supplying a crafted PDF file. Table of contents […]

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Common Problems 114474

SELinux Denies Web Service Access on RHEL 9

🟡 Medium   ⏱ 5–30 min  Last verified: 10 July 2023 📖 ~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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Windows Server 2022 — KB5032304 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5032304 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5032304 • MSRC update-guide entry Related CVEs: CVE-2023-36400 CVE-2023-36397 CVE-2023-36036 CVE-2023-36428 CVE-2023-36427 CVE-2023-36425 CVE-2023-36424 CVE-2023-36423  +12 more Affected components: Windows Server 2022 Windows Server 2022, 23H2 Edition (Server Core installation) Table of […]

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CHAT