August 2023 - Page 74 of 76

How To Avoid Performance Pitfalls in React with memo, useMemo, and useCallback — step-by-step Javascript tutorial on Progressive Robot

How To Avoid Performance Pitfalls in React with memo, useMemo, and useCallback

In React applications, performance problems often originate from component re-rendering. Because of this, learning how to prevent unneeded re-renders can help to optimize the performance of your React app. In this tutorial, you’ll look at how different actions can trigger re-renders and how you can use Hooks and memoization to minimize expensive data calculations. By the end of this tutorial, you’ll be familiar with many performance enhancing Hooks, such as the useMemo and useCallback Hook.

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How to Set Up Active Directory Tiered Administration Model on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Set Up Active Directory Tiered Administration Model on Windows Server 2022

Why Flat Administration Models Fail In many organizations, Active Directory administration evolved organically — every IT staff member who ever needed to manage a server received Domain Admin rights, and those rights were never revoked. Over time, dozens of accounts hold Domain Admin membership, and those credentials are used on every type of machine: workstations […]

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AlmaLinux 9 — python3.11-pip — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — python3.11-pip — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2023:6324 Related CVEs: CVE-2007-4559 Upstream summary: pip is a package management system used to install and manage software packages written in Python. Many packages can be found in the Python Package Index […]

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Debian 12 — libjpeg-turbo — multiple vulnerabilities (17 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libjpeg-turbo — multiple vulnerabilities (17 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 1 August 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-6629 CVE-2013-6630 CVE-2014-9092 CVE-2016-3616 CVE-2017-15232 CVE-2018-11212 CVE-2018-11213 CVE-2018-11214  +9 more Upstream summary: The get_sos function in jdmarker.c in (1) libjpeg 6b and (2) libjpeg-turbo through 1.3.0, as used […]

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Amazon Linux 2023 — opensmtpd — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — opensmtpd — vulnerability — 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 ALAS2023-2023-221 Related CVEs: CVE-2023-29323 Upstream summary: ascii_load_sockaddr in smtpd in OpenBSD before 7.1 errata 024 and 7.2 before errata 020, and OpenSMTPD Portable through 7.0.0-portable, can abort upon a connection […]

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Debian 12 — gcc-11 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — gcc-11 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 August 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-4039 Upstream summary: **DISPUTED**A failure in the -fstack-protector feature in GCC-based toolchains that target AArch64 allows an attacker to exploit an existing buffer overflow in dynamically-sized local variables […]

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NetBSD 9.4 — zziplib — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — zziplib — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2007-1614 CVE-2018-7727 CVE-2018-16548 CVE-2018-17828 CVE-2017-5974 CVE-2017-5975 CVE-2017-5976 CVE-2017-5977  +12 more Upstream summary: pkgsrc audit-packages flagged zziplib<0.10.82nb3 for vulnerability class 'buffer-overflow'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1614 Table of contents Symptom & Impact Environment […]

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Debian 12 — haproxy — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — haproxy — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 1 August 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-2942 CVE-2013-1912 CVE-2013-2175 CVE-2014-6269 CVE-2015-3281 CVE-2016-5360 CVE-2018-10184 CVE-2018-11469  +12 more Upstream summary: Buffer overflow in the trash buffer in the header capture functionality in HAProxy before 1.4.21, when […]

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NetBSD 9.4 — t1utils — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — t1utils — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 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 t1utils<1.39 for vulnerability class 'buffer-overflow'. Reference: https://github.com/kohler/t1utils/issues/4 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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