November 2023 - Page 33 of 77

Ubuntu 22.04 — w3m — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — w3m — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 November 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6580-1 Related CVEs: CVE-2023-4255 CVE-2022-38223 Upstream summary: It was discovered that w3m incorrectly handled certain HTML files. An attacker could possibly use this issue to cause a crash or execute […]

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NetBSD 9.4 — ruby19-base — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — ruby19-base — multiple vulnerabilities (2 CVEs) — 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-2012-2126 CVE-2011-0188 Upstream summary: pkgsrc audit-packages flagged ruby19-base<1.9.2pl180 for vulnerability class 'privilege-escalation'. Reference: http://secunia.com/advisories/43434/ Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

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SLES 15 — wpa_supplicant — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — wpa_supplicant — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 19 November 2023 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2022:0504-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-23303 CVE-2022-23304 CVE-2019-9494 CVE-2019-9498 CVE-2019-9499 CVE-2021-0326 CVE-2021-27803 CVE-2023-52424  +12 more Upstream summary: The implementations of SAE in hostapd before 2.10 and wpa_supplicant before 2.10 are […]

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NetBSD 9.4 — guile20 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — guile20 — multiple vulnerabilities (2 CVEs) — 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-2016-8606 CVE-2016-8605 Upstream summary: pkgsrc audit-packages flagged guile20<2.0.13 for vulnerability class 'arbitrary-code-execution'. Reference: https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-8606 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

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How to Enable AppArmor Mandatory Access Control on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Enable AppArmor Mandatory Access Control on Debian 12

Introduction How to Enable AppArmor Mandatory Access Control on Debian 12 is a fundamental operation for any administrator maintaining a Debian 12 Bookworm server. Debian 12 Bookworm ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian […]

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Alpine Linux 3.18 — elfutils — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — elfutils — multiple vulnerabilities (14 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 0.176-r0 📖 ~4 min read  •  Source: Alpine secdb entry — elfutils 0.176-r0 Related CVEs: CVE-2019-7146 CVE-2019-7148 CVE-2019-7149 CVE-2019-7150 CVE-2019-7664 CVE-2019-7665 CVE-2019-18310 CVE-2019-18520  +6 more Upstream summary: Alpine main repository for vv3.18 ships elfutils 0.176-r0 which […]

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Decorator Design Pattern in Java Example — step-by-step Programming tutorial on Progressive Robot

Decorator Design Pattern in Java Example

Decorator design pattern is used to modify the functionality of an object at runtime. At the same time other instances of the same class will not be affected by this, so individual object gets the modified behavior. Decorator design pattern is one of the structural design pattern (such as [Adapter Pattern](/community/tutorials/adapter-design-pattern-java "Adapter Design Pattern in […]

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Debian 12 — gnome-control-center — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — gnome-control-center — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 18 November 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-5616 Upstream summary: In Ubuntu, gnome-control-center did not properly reflect SSH remote login status when the system was configured to use systemd socket activation for openssh-server. This could […]

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AlmaLinux 9 — mingw-gcc — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — mingw-gcc — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2022:8415 Related CVEs: CVE-2021-46195 Upstream summary: The gcc packages provide compilers for C, C++, Java, Fortran, Objective C, and Ada 95 GNU, as well as related support libraries. Security Fix(es): * gcc: […]

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