chris

Debian 11 — xserver-xorg-video-nouveau — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — xserver-xorg-video-nouveau — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-3979 Upstream summary: A remote denial-of-service vulnerability exists in the way the Nouveau Display Driver (the default Ubuntu Nvidia display driver) handles GPU shader execution. A specially crafted […]

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AlmaLinux 8 — gd — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — gd — multiple vulnerabilities (3 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-2020:4659 Related CVEs: CVE-2018-14553 CVE-2019-6977 CVE-2019-6978 Upstream summary: GD is an open source code library for the dynamic creation of images by programmers. GD creates PNG, JPEG, GIF, WebP, XPM, BMP images, […]

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Debian 11 — spice — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — spice — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 16 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-4130 CVE-2013-4282 CVE-2015-3247 CVE-2015-5260 CVE-2015-5261 CVE-2016-0749 CVE-2016-2150 CVE-2016-9577  +7 more Upstream summary: The (1) red_channel_pipes_add_type and (2) red_channel_pipes_add_empty_msg functions in server/red_channel.c in SPICE before 0.12.4 do not properly […]

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Fractional Knapsack Using C++ — step-by-step Programming tutorial on Progressive Robot

Fractional Knapsack Using C++

In this article, we will learn to solve the fractional knapsack problem using C++. We will start by looking at the problem statement and then move to the solution. This problem is one of many popular classical problems. It is fairly different than its sibling 0-1 knapsack and [0-N knapsack](/community/tutorials/solving-0-n-knapsack-problem-in-cpp). This is a greedy algorithm […]

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

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

🟢 Low   ⏱ 5–15 min  Last verified: 16 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-11610 CVE-2019-12105 Upstream summary: The XML-RPC server in supervisor before 3.0.1, 3.1.x before 3.1.4, 3.2.x before 3.2.4, and 3.3.x before 3.3.3 allows remote authenticated users to execute arbitrary […]

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Oracle Linux 8 — tomcat — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — tomcat — security and stability fixes — required update (ELSA-2023-7065)

🟡 Medium   ⏱ 10–30 min  Last verified: 15 October 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-7065 Related CVEs: CVE-2023-28708 CVE-2023-24998 CVE-2023-28709 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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FreeBSD 13 — mod_jk-ap — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — mod_jk-ap — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 15 October 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mod_jk — information disclosure Related CVEs: CVE-2007-0774 CVE-2007-1860 Upstream summary: Kazu Nambo reports: URL decoding the Apache webserver prior to decoding in the Tomcat server could pypass access control rules […]

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FreeBSD 13 — helvis — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — helvis — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 15 October 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: helvis — arbitrary file deletion problem Related CVEs: CVE-2005-0118 CVE-2005-0119 CVE-2005-0120 Upstream summary: The setuid root elvprsv utility, used to preserve recovery helvis files, can be abused by local users […]

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