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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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openSUSE Tumbleweed — buildah — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — buildah — multiple vulnerabilities (3 CVEs) — 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-2020:2106-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-10696 CVE-2022-2990 CVE-2022-27651 Upstream summary: A path traversal flaw was found in Buildah in versions before 1.14.5. This flaw allows an attacker to trick a […]

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FreeBSD 13 — chromium-npapi — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — chromium-npapi — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 11 March 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: chromium — multiple vulnerabilities Related CVEs: CVE-2015-1212 CVE-2015-1213 CVE-2015-1214 CVE-2015-1215 CVE-2015-1216 CVE-2015-1217 CVE-2015-1218 CVE-2015-1219  +12 more Upstream summary: Google Chrome Releases reports: 5 security fixes in this release, including: [698622] […]

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Debian 10 — bind9 — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — bind9 — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 11 March 2022 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-8616 CVE-2020-8619 CVE-2020-8625 CVE-2021-25214 CVE-2021-25219 CVE-2021-25220 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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