Security Hardening

Rocky Linux 9 — nodejs — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Rocky Linux 9

Rocky Linux 9 — nodejs — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 9 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2026:7896 Related CVEs: CVE-2026-21710 CVE-2026-26996 CVE-2026-27135 CVE-2026-27904 CVE-2026-1525 CVE-2026-1526 CVE-2026-1527 CVE-2026-1528  +12 more Upstream summary: Node.js is a software development platform for building fast and scalable network applications in the […]

Read more
Debian 13 — haproxy — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — haproxy — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 14 March 2026 Affected versions: Debian 13 (trixie) 📖 ~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 […]

Read more
Debian 11 — python-tornado — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — python-tornado — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 14 March 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-2374 CVE-2013-2099 CVE-2014-9720 CVE-2023-28370 CVE-2024-52804 CVE-2025-47287 CVE-2025-67724 CVE-2025-67725  +3 more Upstream summary: CRLF injection vulnerability in the tornado.web.RequestHandler.set_header function in Tornado before 2.2.1 allows remote attackers to inject […]

Read more
Debian 13 — grub — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — grub — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 14 March 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-3896 CVE-2023-4949 Upstream summary: Grub Legacy 0.97 and earlier stores pre-boot authentication passwords in the BIOS Keyboard buffer and does not clear this buffer before and after use, […]

Read more
Debian 13 — pidgin-otr — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — pidgin-otr — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 14 March 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-2369 CVE-2015-8833 Upstream summary: Format string vulnerability in the log_message_cb function in otr-plugin.c in the Off-the-Record Messaging (OTR) pidgin-otr plugin before 3.2.1 for Pidgin might allow remote attackers […]

Read more
Alpine Linux 3.20 — gnutls — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — gnutls — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 3.8.5-r0 📖 ~4 min read  •  Source: Alpine secdb entry — gnutls 3.8.5-r0 Related CVEs: CVE-2024-28834 CVE-2024-28835 CVE-2023-5981 CVE-2024-0553 CVE-2024-0567 CVE-2026-3832 CVE-2026-3833 CVE-2026-5260  +12 more Upstream summary: Alpine main repository for vv3.20 ships gnutls 3.8.5-r0 which […]

Read more
Debian 13 — splitvt — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — splitvt — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 14 March 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-0162 Upstream summary: misc.c in splitvt 1.6.6 and earlier does not drop group privileges before executing xprop, which allows local users to gain privileges. Table of contents Symptom […]

Read more
Debian 13 — node-elliptic — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — node-elliptic — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 14 March 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-13822 CVE-2020-28498 CVE-2024-42459 CVE-2024-42460 CVE-2024-42461 CVE-2024-48948 CVE-2024-48949 CVE-2025-14505 Upstream summary: The Elliptic package 6.5.2 for Node.js allows ECDSA signature malleability via variations in encoding, leading '\0' bytes, or […]

Read more
Red Hat Enterprise Linux 10 — vsftpd — vulnerability — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 10

Red Hat Enterprise Linux 10 — vsftpd — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 10 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:4553 Related CVEs: CVE-2025-14242 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

Read more
How to Monitor MariaDB Performance with mytop on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Monitor MariaDB Performance with mytop on RHEL 10

Introduction RHEL 10 ships with a stable, security-hardened base that makes deploying monitor mariadb performance with mytop both straightforward and auditable. This tutorial covers the complete procedure for how to Monitor MariaDB Performance with mytop on RHEL 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. […]

Read more
CHAT