Common Problems

NetBSD 9.4 — ap-modsecurity2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — ap-modsecurity2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2023-24021 CVE-2022-48279 Upstream summary: pkgsrc audit-packages flagged ap-modsecurity2<2.9.7 for vulnerability class 'filtering-bypass'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2023-24021 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

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NetBSD 9.4 — wxGTK — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — wxGTK — 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-2009-2369 Upstream summary: pkgsrc audit-packages flagged wxGTK-[0-9]* for vulnerability class 'remote-system-access'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-2369 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Debian 12 — fontforge — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — fontforge — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 14 September 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2010-4259 CVE-2017-11568 CVE-2017-11569 CVE-2017-11570 CVE-2017-11571 CVE-2017-11572 CVE-2017-11573 CVE-2017-11574  +12 more Upstream summary: Stack-based buffer overflow in FontForge 20100501 allows remote attackers to cause a denial of service (application […]

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Windows Server 2019 — KB5028226 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5028226 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5028226 • MSRC update-guide entry Related CVEs: CVE-2023-35365 CVE-2023-35366 CVE-2023-35367 CVE-2023-32057 CVE-2023-35297 CVE-2023-33166 CVE-2023-33167 CVE-2023-33168  +12 more Affected components: Windows Server 2019 (Server Core installation) Table of contents Symptom & Impact Environment […]

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Ubuntu 18.04 — shadow — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — shadow — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 14 September 2023 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6640-1 Related CVEs: CVE-2023-4641 https://launchpad.net/bugs/1998169 CVE-2013-4235 CVE-2017-12424 CVE-2018-7169 Upstream summary: It was discovered that shadow was not properly sanitizing memory when running the password utility. An attacker could possibly use […]

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Ubuntu 22.04 — nautilus — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — nautilus — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 14 September 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5786-1 Related CVEs: CVE-2022-37290 Upstream summary: It was discovered that GNOME Files incorrectly handled certain filenames. An attacker could possibly use this issue to cause GNOME Files to crash, leading […]

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NetBSD 9.4 — php-4.1.[3-9]* — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — php — 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 Upstream summary: pkgsrc audit-packages flagged php for vulnerability class 'remote-code-execution'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-1396 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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Alpine Linux 3.18 — py3-saml2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — py3-saml2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 6.5.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — py3-saml2 6.5.0-r0 Related CVEs: CVE-2021-21238 CVE-2021-21239 Upstream summary: Alpine community repository for vv3.18 ships py3-saml2 6.5.0-r0 which addresses CVE-2021-21238. Table of contents Symptom & Impact […]

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Oracle Linux 9 — webkit2gtk3 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — webkit2gtk3 — vulnerability — patch and remediation guide (ELSA-2023-4201)

🟠 High   ⏱ 15–60 min  Last verified: 14 September 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-4201 Related CVEs: CVE-2023-32439 CVE-2023-32435 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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openSUSE Leap 15.5 — w3m — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — w3m — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.5 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2023:4439-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-38252 CVE-2023-38253 Upstream summary: An out-of-bounds read flaw was found in w3m, in the Strnew_size function in Str.c. This issue may allow an attacker […]

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