Logging Monitoring

Debian 11 — node-ansi-regex — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — node-ansi-regex — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 March 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-3807 Upstream summary: ansi-regex is vulnerable to Inefficient Regular Expression Complexity Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution […]

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AlmaLinux 8 — pcm — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — pcm — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALEA-2021:4345 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Debian 11 — seahorse — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — seahorse — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 March 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-7320 Upstream summary: GNOME Seahorse through 3.30 allows physically proximate attackers to read plaintext passwords by using the quickAllow dialog at an unattended workstation, if the keyring is […]

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Ubuntu 20.04 — dpdk — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — dpdk — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 11 March 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5608-1 Related CVEs: CVE-2022-2132 CVE-2021-3839 CVE-2022-0669 CVE-2020-14374 CVE-2020-14375 CVE-2020-14376 CVE-2020-14377 CVE-2020-14378  +5 more Upstream summary: It was discovered that DPDK incorrectly handled certain Vhost headers. A remote attacker could possibly […]

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Common Problems 120545

Debian 11 Failed to Fetch Due to Proxy Misconfiguration

🟡 Medium   ⏱ 5–30 min  Last verified: 11 March 2022 Affected versions: Debian 11 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]

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Ubuntu 18.04 — cyrus-sasl2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — cyrus-sasl2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 March 2022 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5301-1 Related CVEs: CVE-2022-24407 CVE-2019-19906 Upstream summary: It was discovered that the Cyrus SASL SQL plugin incorrectly handled SQL input. A remote attacker could use this issue to execute arbitrary […]

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How to Install VictoriaMetrics as a Prometheus Alternative on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install VictoriaMetrics as a Prometheus Alternative on RHEL 7

Prometheus has become the de-facto standard for metrics collection in Linux environments, but it is not the only option. VictoriaMetrics is a high-performance, cost-efficient time-series database that is fully compatible with PromQL, accepts Prometheus remote_write, and offers significant advantages in storage compression, ingestion throughput, and memory usage. A single-node VictoriaMetrics binary can replace or complement […]

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Gentoo Linux — dev-python/lxml — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — dev-python/lxml — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202208-06 Related CVEs: CVE-2021-28957 CVE-2021-43818 CVE-2022-2309 Upstream summary: Multiple vulnerabilities have been discovered in lxml. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & […]

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Ubuntu 14.04 — mc — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — mc — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 March 2022 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5160-1 Related CVEs: CVE-2021-36370 Upstream summary: It was discovered that Midnight Commander would not check server fingerprints when establishing an SFTP connection. If a remote attacker were able to intercept […]

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Ubuntu 18.04 — dpkg — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — dpkg — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 March 2022 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5446-1 Related CVEs: CVE-2022-1664 Upstream summary: Max Justicz discovered that dpkg incorrectly handled unpacking certain source packages. If a user or an automated system were tricked into unpacking a specially […]

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CHAT