Package Management

FreeBSD 12 — mdbook — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — mdbook — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 June 2021 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mdbook — XSS in mdBook's search page Related CVEs: CVE-2020-26297 Upstream summary: Rust Security Response Working Group reports: The search feature of mdBook (introduced in version 0.1.4) was affected by […]

Read more
AlmaLinux 8 — gcc-toolset-10-annobin — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — gcc-toolset-10-annobin — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2021:4592 Related CVEs: CVE-2021-42574 Upstream summary: Annobin provides a compiler plugin to annotate and tools to examine compiled binary files. Security Fix(es): * Developer environment: Unicode's bidirectional (BiDi) override characters can cause […]

Read more
How to Configure nftables Firewall on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Configure nftables Firewall on RHEL 8

nftables is the modern replacement for iptables, ip6tables, arptables, and ebtables, and it ships in the RHEL 8 kernel by default. It uses a single unified rule language, supports atomic rule set replacement, and performs better at scale due to its netlink-based architecture. While firewalld can use nftables as its backend, many system administrators prefer […]

Read more
Ubuntu 16.04 — jasper — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — jasper — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 17 June 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4688-1 Related CVEs: CVE-2017-9782 CVE-2018-18873 CVE-2018-19542 CVE-2020-27828 CVE-2015-5203 CVE-2015-5221 CVE-2016-10248 CVE-2016-10250  +12 more Upstream summary: It was discovered that Jasper incorrectly certain files. An attacker could possibly use this issue […]

Read more
FreeBSD 13 — webkit-gtk — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — webkit-gtk — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 17 June 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: webkit-gtk — Multiple vulnerabilities Related CVEs: CVE-2010-1386 CVE-2010-1392 CVE-2010-1405 CVE-2010-1407 CVE-2010-1416 CVE-2010-1417 CVE-2010-1418 CVE-2010-1421  +12 more Upstream summary: The Webkitgtk project reports: CVE-2019-6212 – Processing maliciously crafted web content may […]

Read more
FreeBSD 13 — linux-mozilla-devel — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — linux-mozilla-devel — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 17 June 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mozilla — code execution via Quicktime media-link files Related CVEs: CVE-2004-0597 CVE-2004-0598 CVE-2004-0599 CVE-2004-0717 CVE-2004-0718 CVE-2004-0721 CVE-2004-0722 CVE-2004-0758  +12 more Upstream summary: The Mozilla Foundation reports a vulnerability within the […]

Read more
openSUSE Tumbleweed — libfastjson4 — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libfastjson4 — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2022:0184-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-12762 Upstream summary: json-c through 0.14 has an integer overflow and out-of-bounds write via a large JSON file, as demonstrated by printbuf_memappend. Table of contents […]

Read more
Oracle Linux 8 — virt:ol and virt-devel:ol — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — virt:ol and virt-devel:ol — security and stability fixes — required update (ELSA-2023-5264)

🟠 High   ⏱ 15–60 min  Last verified: 16 June 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-5264 Related CVEs: CVE-2022-40284 CVE-2023-3354 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

Read more
FreeBSD 13 — mysql-connector-c — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — mysql-connector-c — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 16 June 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: MySQL Client — Multiple vulerabilities Related CVEs: CVE-2020-2752 CVE-2020-2875 CVE-2020-2922 CVE-2020-2933 CVE-2020-2934 Upstream summary: Oracle reports: This Critical Patch Update contains 45 new security patches for Oracle MySQL. 9 of […]

Read more
CHAT