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FreeBSD 15 — mod_pubcookie — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — mod_pubcookie — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 12 February 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mod_pubcookie — cross site scripting vulnerability Upstream summary: Nathan Dors of the Pubcookie Project reports: Non-persistent XSS vulnerabilities were found in the Pubcookie Apache module (mod_pubcookie) and ISAPI filter. These […]

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AlmaLinux 8 — perl-Sys-Syslog — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — perl-Sys-Syslog — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:8096 Related CVEs: CVE-2025-40909 CVE-2023-47038 Upstream summary: Perl is a high-level programming language that is commonly used for system administration utilities and web programming. Security Fix(es): * perl: Perl threads have a […]

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FreeBSD 15 — php70-mbstring — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — php70-mbstring — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 12 February 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: oniguruma — multiple vulnerabilities Related CVEs: CVE-2015-8874 CVE-2016-5766 CVE-2016-5767 CVE-2016-5768 CVE-2016-5769 CVE-2016-5770 CVE-2016-5771 CVE-2016-5772  +5 more Upstream summary: the PHP project reports: A stack out-of-bounds read occurs in match_at() during […]

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Operators in Java – Unary, Binary, Ternary & Precedence Tutorial 2025–2026

Operators in Java – Unary, Binary, Ternary & Precedence Tutorial 2025–2026

Learning operators in Java is one of the most essential and frequently used skills in any Java tutorial for beginners — operators are the symbols that perform actions on variables and values (addition, comparison, logical decisions, assignment, etc.), and mastering them lets you write clean, efficient, and readable code. Java has three main categories of operators based on the number of operands: unary (1 operand), binary (2 operands), and ternary (3 operands), plus special rules for operator precedence that determine the order of evaluation when multiple operators appear in one expression.

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Java Data Types Tutorial – Primitive & Reference Types 2025–2026

Java Data Types Tutorial – Primitive & Reference Types 2025–2026

If you’re searching for a clear Java data types tutorial, you’re in the perfect place — understanding Java data types is one of the most foundational and frequently asked topics in any Java learning path. Java is a statically typed language, which means every variable must have a declared type before you use it. This strict typing catches errors early (at compile time), improves performance, makes code more predictable, and helps large teams maintain complex projects. In contrast, dynamically typed languages like Python or JavaScript let you skip type declarations, but you often find bugs only at runtime.

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FreeBSD 15 — tinc-devel — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — tinc-devel — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 12 February 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: tinc — Buffer overflow Related CVEs: CVE-2018-16737 CVE-2018-16738 CVE-2018-16758 Upstream summary: tinc-vpn.org reports: The authentication protocol allows an oracle attack that could potentially be exploited. If a man-in-the-middle has intercepted […]

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FreeBSD 15 — postgresql95-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — postgresql95-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 12 February 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: PostgresSQL — TYPE in pg_temp execute arbitrary SQL during `SECURITY DEFINER` execution Related CVEs: CVE-2016-0766 CVE-2016-0773 CVE-2016-2193 CVE-2016-3065 CVE-2016-5423 CVE-2016-5424 CVE-2017-15098 CVE-2017-15099  +12 more Upstream summary: The PostgreSQL project reports: […]

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Java Tutorial for Beginners – Write Your First Program

Java Tutorial for Beginners – Write Your First Program 2025–2026

If you’re looking for a clear Java tutorial for beginners, you’ve come to the right place — this guide walks you through writing, compiling, and running your very first Java program: the classic “Hello, World!” example. Java remains one of the most powerful, widely-used, and beginner-friendly languages in 2025–2026 — it powers Android apps, enterprise backends, big data tools (Hadoop, Spark), web servers (Spring Boot), desktop applications, games, and much more. Java’s biggest strengths for beginners are its strong typing, clear syntax, excellent error messages, massive community, and cross-platform nature: write once, run anywhere.

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FreeBSD 12 — 7-zip — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — 7-zip — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 12 February 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: 7-Zip — Multi-byte write heap buffer overflow in NCompress::NRar5::CDecoder Related CVEs: CVE-2025-53816 Upstream summary: [email protected] reports: 7-Zip is a file archiver with a high compression ratio. Zeroes written outside heap […]

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Amazon Linux 2023 — kernel-livepatch-6.12.80-105.147 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — kernel-livepatch-6.12.80-105.147 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023LIVEPATCH-2026-137 Related CVEs: CVE-2026-43284 CVE-2026-31431 Upstream summary: In the Linux kernel, the following vulnerability has been resolved: xfrm: esp: avoid in-place decrypt on shared skb frags "Dirty Frag" and other […]

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