Security Hardening

Debian 13 — qtimageformats-opensource-src — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — qtimageformats-opensource-src — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 28 April 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-19871 CVE-2020-23884 CVE-2025-5683 Upstream summary: An issue was discovered in Qt before 5.11.3. There is QTgaFile Uncontrolled Resource Consumption. Table of contents Symptom & Impact Environment & Reproduction […]

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Debian 13 — influxdb — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — influxdb — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 28 April 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-17572 CVE-2019-20933 CVE-2022-36640 Upstream summary: InfluxDB 0.9.5 has Reflected XSS in the Write Data module. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick […]

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Debian 13 — apache-log4j2 — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — apache-log4j2 — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 28 April 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-5645 CVE-2020-9488 CVE-2021-44228 CVE-2021-44832 CVE-2021-45046 CVE-2021-45105 CVE-2025-68161 CVE-2026-34479  +2 more Upstream summary: In Apache Log4j 2.x before 2.8.2, when using the TCP socket server or UDP socket server […]

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openSUSE Tumbleweed — perl-CryptX — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — perl-CryptX — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2025-40914 CVE-2018-25099 CVE-2026-41564 Upstream summary: Perl CryptX before version 0.087 contains a dependency that may be susceptible to an integer overflow. CryptX embeds a version […]

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Ubuntu 16.04 — python-django — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — python-django — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 28 April 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8154-2 Related CVEs: CVE-2026-33033 CVE-2026-4292 CVE-2026-4277 CVE-2026-1312 CVE-2025-13473 CVE-2026-1287 CVE-2025-14550 CVE-2026-1285  +12 more Upstream summary: USN-8154-1 fixed vulnerabilities in Django. This update provides the corresponding updates for CVE-2026-33033 and CVE-2026-4292 […]

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Ubuntu 22.04 — aide — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — aide — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 28 April 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7697-1 Related CVEs: CVE-2025-54409 CVE-2025-54389 Upstream summary: Rajesh Pangare discovered that AIDE incorrectly handled filenames. A local attacker could possibly use this issue to bypass the detection of malicious files. […]

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Ubuntu 24.04 — snapd — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — snapd — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 28 April 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8102-1 Related CVEs: CVE-2026-3888 https://launchpad.net/bugs/2144728 CVE-2024-1724 CVE-2024-29068 CVE-2024-29069 Upstream summary: Qualys discovered that snapd incorrectly handled certain operations in the snap's private /tmp directory. If systemd-tmpfiles is enabled to automatically […]

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Windows Server 2019 — KB5089466 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5089466 — 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 KB5089466 • MSRC update-guide entry Related CVEs: CVE-2026-35421 CVE-2026-32161 CVE-2026-40403 CVE-2026-21530 CVE-2026-33834 CVE-2026-33839 CVE-2026-34329 CVE-2026-34330  +12 more Affected components: Windows Server 2019 (Server Core installation) Microsoft summary: Heap-based buffer overflow in Windows […]

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Ubuntu 20.04 — flask — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — flask — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 28 April 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8104-1 Related CVEs: CVE-2026-27205 CVE-2023-30861 Upstream summary: Shourya Jaiswal discovered that Flask did not correctly mark certain web responses as user-specific. A remote attacker could possibly use this issue to […]

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Ubuntu 24.04 — kmod — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — kmod — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 28 April 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8226-1 Related CVEs: CVE-2026-31431 https://launchpad.net/bugs/2150743 Upstream summary: It was discovered that the Linux kernel algif_aead module contained a logic flaw allowing a local attacker to escalate privileges to root. This […]

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CHAT