Package Management

Debian 11 — python-flask-cors — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — python-flask-cors — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 27 July 2024 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-25032 CVE-2024-1681 CVE-2024-6839 CVE-2024-6844 CVE-2024-6866 Upstream summary: An issue was discovered in Flask-CORS (aka CORS Middleware for Flask) before 3.0.9. It allows ../ directory traversal to access private […]

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Windows Server 2019 — KB5043083 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5043083 — 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 KB5043083 • MSRC update-guide entry Related CVEs: CVE-2024-38119 CVE-2024-38240 CVE-2024-38241 CVE-2024-38242 CVE-2024-38249 CVE-2024-38250 CVE-2024-38254 CVE-2024-38256  +12 more Affected components: Windows Server 2019 (Server Core installation) Table of contents Symptom & Impact Environment […]

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CentOS Stream 9 — nano — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — nano — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 July 2024 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2024:9430 Related CVEs: CVE-2024-5742 Upstream summary: GNU nano is a small and friendly text editor. Security Fix(es): * nano: running `chmod` and `chown` on the filename allows malicious user to replace […]

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NetBSD 9.4 — php-4.2.3 — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — php-4.2.3 — 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-4.2.3{,nb1} 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 — virtualbox-guest-additions — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — virtualbox-guest-additions — 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 6.1.36-r0 📖 ~4 min read  •  Source: Alpine secdb entry — virtualbox-guest-additions 6.1.36-r0 Related CVEs: CVE-2022-21554 CVE-2022-21571 Upstream summary: Alpine community repository for vv3.18 ships virtualbox-guest-additions 6.1.36-r0 which addresses CVE-2022-21554. Table of contents Symptom & Impact […]

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Alpine Linux 3.18 — rssh — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — rssh — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 2.3.4-r2 📖 ~4 min read  •  Source: Alpine secdb entry — rssh 2.3.4-r2 Related CVEs: CVE-2019-3463 CVE-2019-1000018 CVE-2019-3464 Upstream summary: Alpine main repository for vv3.18 ships rssh 2.3.4-r2 which addresses CVE-2019-3463. Table of contents Symptom & […]

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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-2024-9144)

🟠 High   ⏱ 15–60 min  Last verified: 27 July 2024 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-9144 Related CVEs: CVE-2023-42843 CVE-2023-42956 CVE-2024-4558 CVE-2023-42950 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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NetBSD 9.4 — ircd-hybrid — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — ircd-hybrid — 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-2009-4016 Upstream summary: pkgsrc audit-packages flagged ircd-hybrid<7.2.3nb3 for vulnerability class 'arbitrary-code-execution'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-4016 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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SLES 15 — cloud-init — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — cloud-init — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 27 July 2024 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory RHSA-2025:10848 (see also SUSE bugzilla) Related CVEs: CVE-2024-6174 CVE-2020-8631 CVE-2020-8632 CVE-2024-11584 CVE-2021-3429 CVE-2022-2084 CVE-2023-1786 CVE-2019-0816 Upstream summary: When a non-x86 platform is detected, cloud-init grants root access to a hardcoded url with […]

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openSUSE Leap 15.5 — ruby2.5-rubygem-rails-html-sanitizer — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — ruby2.5-rubygem-rails-html-sanitizer — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.5 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2023:3534-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-23518 CVE-2022-23519 CVE-2022-23517 CVE-2022-23520 Upstream summary: rails-html-sanitizer is responsible for sanitizing HTML fragments in Rails applications. Versions >= 1.0.3, < 1.4.4 are vulnerable to […]

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