chris

Oracle Linux 8 — virt:kvm_utils — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — virt:kvm_utils — vulnerability — patch and remediation guide (ELSA-2022-9364)

🟠 High   ⏱ 15–60 min  Last verified: 1 October 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9364 Related CVEs: CVE-2021-4145 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

Read more
Arch Linux — pam-u2f — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — pam-u2f — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202106-16 Related CVEs: CVE-2021-31924 CVE-2019-12210 CVE-2019-12209 Upstream summary: Type: authentication bypass. Status: Fixed. Affected: 1.1.0-1. Fixed in: 1.1.1-1. Group: AVG-2001. Table of contents Symptom & Impact Environment & Reproduction Root […]

Read more
Debian 11 — libsixel — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libsixel — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 1 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-14072 CVE-2018-14073 CVE-2018-19756 CVE-2018-19757 CVE-2018-19759 CVE-2018-19761 CVE-2018-19762 CVE-2018-19763  +12 more Upstream summary: libsixel 1.8.1 has a memory leak in sixel_decoder_decode in decoder.c, image_buffer_resize in fromsixel.c, and sixel_decode_raw in […]

Read more
How to Deploy a Ruby on Rails Application on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Deploy a Ruby on Rails Application on FreeBSD 13

Introduction This guide explains how to Deploy a Ruby on Rails Application on FreeBSD 13 on FreeBSD 13. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum […]

Read more
Настройка ключей SSH в Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Настройка ключей SSH в Ubuntu 20.04

SSH или защищенная оболочка — это шифрованный протокол, используемый для администриования и связи с серверами. При работе с сервером Ubuntu вы проведете больше всего времени в сеансах терминала с подключением к серверу через SSH. В этом руководстве мы рассмотрим процесс…

Read more
FreeBSD 13 — aacplusenc — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — aacplusenc — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 30 September 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: aacplusenc — denial of service Related CVEs: CVE-2017-14181 Upstream summary: Gentoo developers report: DeleteBitBuffer in libbitbuf/bitbuffer.c in mp4tools aacplusenc 0.17.5 allows remote attackers to cause a denial of service (invalid […]

Read more
Oracle Linux 8 — 389-ds:1.4 — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — 389-ds:1.4 — security and stability fixes — required update (ELSA-2021-1086)

🟡 Medium   ⏱ 10–30 min  Last verified: 30 September 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-1086 Related CVEs: CVE-2020-35518 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

Read more
FreeBSD 13 — libproxy-webkit — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — libproxy-webkit — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 30 September 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libproxy — stack-based buffer overflow Related CVEs: CVE-2012-4504 Upstream summary: Tomas Hoger reports: A buffer overflow flaw was discovered in the libproxy's url::get_pac() used to download proxy.pac proxy auto-configuration file. […]

Read more
Debian 11 — spamass-milter — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — spamass-milter — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 30 September 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2010-1132 Upstream summary: The mlfi_envrcpt function in spamass-milter.cpp in SpamAssassin Milter Plugin 0.3.1, when using the expand option, allows remote attackers to execute arbitrary system commands via shell […]

Read more
CHAT