Linux

openSUSE Leap 15.5 — rear23a — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — rear23a — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.5 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2024:0135-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-23301 Upstream summary: Relax-and-Recover (aka ReaR) through 2.7 creates a world-readable initrd when using GRUB_RESCUE=y. This allows local attackers to gain access to system […]

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Oracle Linux 8 — mingw-libtiff — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — mingw-libtiff — vulnerability — patch and remediation guide (ELSA-2025-19906)

🟠 High   ⏱ 15–60 min  Last verified: 8 July 2025 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-19906 Related CVEs: CVE-2025-8176 CVE-2025-9900 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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Debian 11 — jinja2 — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — jinja2 — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 7 July 2025 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-0012 CVE-2014-1402 CVE-2016-10745 CVE-2019-10906 CVE-2019-8341 CVE-2020-28493 CVE-2024-22195 CVE-2024-34064  +2 more Upstream summary: FileSystemBytecodeCache in Jinja2 2.7.2 does not properly create temporary directories, which allows local users to gain […]

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Debian 12 — node-yarnpkg — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — node-yarnpkg — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 7 July 2025 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-10773 CVE-2019-15608 CVE-2019-5448 CVE-2020-8131 CVE-2021-4435 CVE-2025-8262 CVE-2025-9308 Upstream summary: In Yarn before 1.21.1, the package install functionality can be abused to generate arbitrary symlinks on the host filesystem […]

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Debian 12 — kdeconnect — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — kdeconnect — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 7 July 2025 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-26164 CVE-2025-32898 CVE-2025-32900 Upstream summary: In kdeconnect-kde (aka KDE Connect) before 20.08.2, an attacker on the local network could send crafted packets that trigger use of large amounts […]

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Ubuntu 22.04 — python-geopandas — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — python-geopandas — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 July 2025 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8083-1 Related CVEs: CVE-2025-69662 Upstream summary: It was discovered that GeoPandas incorrectly handled certain input. An attacker could possibly use this issue to perform SQL injection attacks. Table of contents […]

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Ubuntu 24.04 — smarty3 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — smarty3 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 7 July 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7158-1 Related CVEs: CVE-2018-25047 CVE-2023-28447 CVE-2024-35226 Upstream summary: It was discovered that Smarty incorrectly handled query parameters in requests. An attacker could possibly use this issue to inject arbitrary Javascript […]

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Common Problems 114395

RHEL 9: dnf Metadata Download Timeout and Mirror Errors

🟡 Medium   ⏱ 5–30 min  Last verified: 7 July 2025 📖 ~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 & Cross-Refs References & Further […]

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Ubuntu 22.04 — mariadb-10.6 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — mariadb-10.6 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 7 July 2025 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7519-1 Related CVEs: CVE-2023-52969 CVE-2023-52970 CVE-2025-30693 CVE-2025-30722 CVE-2025-21490 CVE-2024-21096 CVE-2022-47015 CVE-2023-22084  +12 more Upstream summary: Several security issues were discovered in MariaDB and this update includes a new upstream MariaDB […]

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