Common Problems

Debian 13 — node-xmlhttprequest — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — node-xmlhttprequest — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 July 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-28502 Upstream summary: This affects the package xmlhttprequest before 1.7.0; all versions of package xmlhttprequest-ssl. Provided requests are sent synchronously (async=False on xhr.open), malicious user input flowing into xhr.send […]

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Debian 11 — ruby-devise — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — ruby-devise — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 24 July 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-0233 CVE-2015-8314 CVE-2019-5421 CVE-2026-32700 CVE-2026-40295 Upstream summary: Devise gem 2.2.x before 2.2.3, 2.1.x before 2.1.3, 2.0.x before 2.0.5, and 1.5.x before 1.5.4 for Ruby, when using certain databases, […]

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Ubuntu 18.04 — python3.8 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — python3.8 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 24 July 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8018-2 Related CVEs: CVE-2025-15367 CVE-2025-15366 CVE-2026-0865 https://bugs.launchpad.net/bugs/2143706 CVE-2025-15282 CVE-2026-0672 CVE-2025-13837 CVE-2025-11468  +12 more Upstream summary: USN-8018-1 fixed vulnerabilities in python3. That update introduced regressions. The patches for CVE-2025-15366 and CVE-2025-15367 […]

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Red Hat Enterprise Linux 9 — libvpx — vulnerability — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 9

Red Hat Enterprise Linux 9 — libvpx — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 9 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:5326 Related CVEs: CVE-2026-2447 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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Common Problems 114134

RHEL 10 – journald Disk Usage Explodes and Fills Root FS – Log Retention Controls

🟠 High   ⏱ 5–30 min  Last verified: 24 July 2026 Affected versions: RHEL 10.0 RHEL 10.1 📖 ~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 […]

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Ubuntu 24.04 — squid — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — squid — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 24 July 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8157-1 Related CVEs: CVE-2026-33526 CVE-2026-33515 CVE-2026-32748 CVE-2025-62168 CVE-2025-59362 CVE-2024-37894 Upstream summary: It was discovered that Squid incorrectly handled certain ICP traffic. In environments where ICP support is enabled, a remote […]

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Red Hat Enterprise Linux 9 — openssh — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 9

Red Hat Enterprise Linux 9 — openssh — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 9 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:19219 Related CVEs: CVE-2026-35385 CVE-2026-35386 CVE-2026-35387 CVE-2026-35388 CVE-2026-35414 CVE-2026-3497 CVE-2025-61984 CVE-2025-61985  +1 more Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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Ubuntu 24.04 — php-league-commonmark — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — php-league-commonmark — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 24 July 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8194-1 Related CVEs: CVE-2026-33347 CVE-2025-46734 CVE-2026-30838 Upstream summary: It was discovered that league/commonmark did not properly restrict unsafe attributes when the Attributes extension was enabled. An attacker could possibly use […]

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Ubuntu 24.04 — openjdk-lts — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — openjdk-lts — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 24 July 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8001-1 Related CVEs: CVE-2026-21933 CVE-2026-21932 CVE-2026-21945 CVE-2026-21925 CVE-2025-53066 CVE-2025-53057 CVE-2025-30761 CVE-2025-30754  +12 more Upstream summary: It was discovered that the RMI component of OpenJDK 11 would establish RMI TCP endpoint […]

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Ubuntu 20.04 — python-tornado — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — python-tornado — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 24 July 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8198-1 Related CVEs: CVE-2026-31958 CVE-2026-35536 CVE-2025-67724 CVE-2025-67725 CVE-2025-67726 CVE-2023-28370 CVE-2024-52804 Upstream summary: It was discovered that Tornado incorrectly handled parsing of large multipart request bodies. An attacker could possibly use […]

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CHAT