chris

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

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

🟢 Low   ⏱ 5–15 min  Last verified: 21 July 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-3862 CVE-2006-0950 Upstream summary: Buffer overflow in unalz before 0.53 allows remote attackers to execute arbitrary code via long file names in ALZ archives. Table of contents Symptom […]

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

Debian 12 — caddy — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 21 July 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-28923 CVE-2026-27585 CVE-2026-27586 CVE-2026-27587 CVE-2026-27588 CVE-2026-27589 CVE-2026-27590 Upstream summary: Caddy v2.4.6 was discovered to contain an open redirection vulnerability which allows attackers to redirect users to phishing websites […]

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

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

🟢 Low   ⏱ 5–15 min  Last verified: 21 July 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-2159 CVE-2004-2160 Upstream summary: Multiple buffer overflows in XMLStarlet Command Line XML Toolkit 0.9.3 have unknown impact and attack vectors via (1) xml_elem.c and (2) xml_select.c. Table of […]

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Rocky Linux 10 — podman — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Rocky Linux 10

Rocky Linux 10 — podman — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 10 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2026:3336 Related CVEs: CVE-2025-61726 CVE-2025-61728 CVE-2025-61729 CVE-2025-68121 CVE-2025-47913 CVE-2025-52881 CVE-2025-58183 Upstream summary: The podman tool manages pods, container images, and containers. It is part of the libpod library, which is […]

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Debian 13 — cjson — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — cjson — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 21 July 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-1000215 CVE-2019-1010239 CVE-2019-11834 CVE-2019-11835 CVE-2023-26819 CVE-2023-50471 CVE-2023-50472 CVE-2023-53154  +2 more Upstream summary: Dave Gamble cJSON version 1.7.6 and earlier contains a CWE-772 vulnerability in cJSON library that can […]

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Ubuntu 24.04 — valkey — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — valkey — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 21 July 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8106-1 Related CVEs: CVE-2025-67733 CVE-2026-21863 CVE-2025-49844 CVE-2025-46817 CVE-2025-46818 CVE-2025-46819 CVE-2025-49112 CVE-2024-46981  +1 more Upstream summary: It was discovered that Valkey incorrectly handled errors for lua scripts. An attacker could possibly […]

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Ubuntu 24.04 — inetutils — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — inetutils — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 July 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7992-1 Related CVEs: CVE-2026-24061 Upstream summary: Kyu Neushwaistein discovered that telnetd in Inetutils incorrectly handled certain environment variables. A remote attacker could use this issue to bypass authentication and open […]

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Rocky Linux 10 — valkey — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Rocky Linux 10

Rocky Linux 10 — valkey — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 10 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2026:3443 Related CVEs: CVE-2025-67733 CVE-2026-21863 CVE-2025-46817 CVE-2025-46818 CVE-2025-46819 CVE-2025-49844 Upstream summary: Valkey is an advanced key-value store. It is often referred to as a data structure server since keys can […]

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Ubuntu 24.04 — rustc-1.77 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — rustc-1.77 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 July 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8168-1 Related CVEs: CVE-2026-33056 Upstream summary: It was discovered that tar-rs embedded in rustc incorrectly handled symlinks when unpacking a tar archive. If a user or automated system were tricked […]

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Common Problems 115991

Ubuntu 26.04 LTS – SSH connection refused on port 22 – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 21 July 2026 Affected versions: Ubuntu 26.04 LTS 📖 ~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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