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openSUSE Tumbleweed — fail2ban — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — fail2ban — multiple vulnerabilities (5 CVEs) — patch and remediation guide

  • May 23, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2009-5023 CVE-2013-2178 CVE-2013-7176 CVE-2013-7177 CVE-2021-32749 Upstream summary: The (1) dshield.conf, (2) mail-buffered.conf, (3) mynetwatchman.conf, and (4) mynetwatchman.conf actions in action.d/ in Fail2ban before 0.8.5 allows […]

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NetBSD 9.4 — py-certifi — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — py-certifi — vulnerability — patch and remediation guide

  • May 23, 2026
  • BSD
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🟡 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-2022-23491 Upstream summary: pkgsrc audit-packages flagged py{27,36,37,38,39,310,311}-certifi>=2017.11.05<2022.12.07 for vulnerability class 'improper-certificate-validation'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2022-23491 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Alpine Linux edge — libbsd — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — libbsd — vulnerability — patch and remediation guide

  • May 23, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0.10.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — libbsd 0.10.0-r0 Related CVEs: CVE-2019-20367 Upstream summary: Alpine main repository for vedge ships libbsd 0.10.0-r0 which addresses CVE-2019-20367. Table of contents Symptom & Impact Environment […]

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Windows Server 2022 — KB5086095 — security update — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5086095 — security update — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5086095 • MSRC update-guide entry Related CVEs: CVE-2026-33116 Affected components: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2022, 23H2 Edition (Server Core installation) Microsoft summary: Loop with unreachable exit condition […]

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openSUSE Tumbleweed — feh — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — feh — vulnerability — patch and remediation guide

  • May 23, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2017-7875 Upstream summary: In wallpaper.c in feh before v2.18.3, if a malicious client pretends to be the E17 window manager, it is possible to trigger […]

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NetBSD 9.4 — py-cookiecutter — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — py-cookiecutter — vulnerability — patch and remediation guide

  • May 23, 2026
  • BSD
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🟡 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-2022-24065 Upstream summary: pkgsrc audit-packages flagged py{27,36,37,38,39,310}-cookiecutter<2.1.1 for vulnerability class 'shell-command-injection'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2022-24065 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Alpine Linux edge — libcap — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — libcap — vulnerability — patch and remediation guide

  • May 23, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 2.78-r0 📖 ~4 min read  •  Source: Alpine secdb entry — libcap 2.78-r0 Related CVEs: CVE-2026-4878 Upstream summary: Alpine main repository for vedge ships libcap 2.78-r0 which addresses CVE-2026-4878. Table of contents Symptom & Impact Environment […]

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Windows Server 2022 — KB5086096 — security update — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5086096 — security update — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5086096 • MSRC update-guide entry Related CVEs: CVE-2026-33116 Affected components: Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2022, 23H2 Edition (Server Core installation) Microsoft summary: Loop with unreachable exit condition […]

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openSUSE Tumbleweed — fence-agents — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — fence-agents — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • May 23, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2014-0104 CVE-2019-10153 Upstream summary: In fence-agents before 4.0.17 does not verify remote SSL certificates in the fence_cisco_ucs.py script which can potentially allow for man-in-the-middle attackers […]

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NetBSD 9.4 — py-cryptodome — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — py-cryptodome — vulnerability — patch and remediation guide

  • May 23, 2026
  • BSD
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🟡 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-2018-15560 Upstream summary: pkgsrc audit-packages flagged py{27,34,35,36,37}-cryptodome<3.6.6 for vulnerability class 'integer-overflow'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2018-15560 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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