Security Hardening

Debian 11 — diffoscope — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — diffoscope — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 15 March 2025 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-0359 CVE-2024-25711 Upstream summary: diffoscope before 77 writes to arbitrary locations on disk based on the contents of an untrusted archive. Table of contents Symptom & Impact Environment […]

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Amazon Linux 2023 — poppler — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — poppler — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2024-741 Related CVEs: CVE-2024-6239 CVE-2022-27337 CVE-2023-34872 CVE-2022-38349 CVE-2022-38171 CVE-2022-38784 Upstream summary: A flaw was found in the Poppler's Pdfinfo utility. This issue occurs when using -dests parameter with pdfinfo utility. […]

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Ubuntu 16.04 — open-vm-tools — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — open-vm-tools — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 15 March 2025 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7508-2 Related CVEs: CVE-2025-22247 CVE-2023-34058 CVE-2023-34059 CVE-2023-20900 CVE-2023-20867 CVE-2022-31676 Upstream summary: USN-7508-1 fixed a vulnerability in Open VM Tools. This update provides the corresponding update for Ubuntu 16.04 LTS and […]

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Ubuntu 24.04 — kmail-account-wizard — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — kmail-account-wizard — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 15 March 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7732-1 Related CVEs: CVE-2024-50624 Upstream summary: It was discovered that KMail Account Wizard used HTTP rather than HTTPS when retrieving certain email server configurations. An attacker could possibly use this […]

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Windows Server 2025 — KB5065432 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2025

Windows Server 2025 — KB5065432 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2025 📖 ~4 min read  •  Source: Microsoft KB5065432 • MSRC update-guide entry Related CVEs: CVE-2025-54918 CVE-2025-55226 CVE-2025-55228 CVE-2025-55236 CVE-2025-53799 CVE-2025-53800 CVE-2025-55224 CVE-2025-48807  +12 more Affected components: Windows Server 2025 Microsoft summary: Improper authentication in Windows NTLM allows an authorized […]

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Ubuntu 18.04 — glib2.0 — multiple vulnerabilities (18 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — glib2.0 — multiple vulnerabilities (18 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 15 March 2025 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7942-2 Related CVEs: CVE-2025-3360 CVE-2025-13601 CVE-2025-7039 CVE-2025-14087 CVE-2024-52533 CVE-2023-29499 CVE-2023-32611 CVE-2023-32636  +10 more Upstream summary: USN-7942-1 fixed vulnerabilities in GLib. This update provides the corresponding updates for Ubuntu 14.04 LTS, […]

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SLES 15 — python3-docker — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — python3-docker — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 15 March 2025 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory RHSA-2025:0012 (see also SUSE bugzilla) Related CVEs: CVE-2024-35195 Upstream summary: Requests is a HTTP library. Prior to 2.32.0, when making requests through a Requests `Session`, if the first request is made with […]

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Windows Server 2022 — KB5055518 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5055518 — 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 KB5055518 • MSRC update-guide entry Related CVEs: CVE-2025-26663 CVE-2025-26686 CVE-2025-26670 CVE-2025-27491 CVE-2023-40547 CVE-2025-26665 CVE-2025-26666 CVE-2025-26669  +12 more Affected components: Windows Server 2022 Windows Server 2022, 23H2 Edition (Server Core installation) Windows Server […]

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SLES 12 — python-WebOb — vulnerability — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — python-WebOb — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 15 March 2025 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2024:2969-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-42353 Upstream summary: WebOb provides objects for HTTP requests and responses. When WebOb normalizes the HTTP Location header to include the request hostname, it does […]

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Alpine Linux 3.20 — py3-httplib2 — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — py3-httplib2 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 0.19.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — py3-httplib2 0.19.0-r0 Related CVEs: CVE-2021-21240 Upstream summary: Alpine community repository for vv3.20 ships py3-httplib2 0.19.0-r0 which addresses CVE-2021-21240. Table of contents Symptom & Impact Environment […]

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