Linux

Debian 13 — ruby-globalid — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — ruby-globalid — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 5 October 2025 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-22799 Upstream summary: A ReDoS based DoS vulnerability in the GlobalID <1.0.1 which could allow an attacker supplying a carefully crafted input can cause the regular expression engine to […]

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How to Analyse Network Traffic with tshark on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Analyse Network Traffic with tshark on Debian 13

Introduction This guide explains how to Analyse Network Traffic with tshark on Debian 13 on Debian 13 Trixie. Debian Trixie uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 13 install with […]

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Debian 13 — slirp4netns — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — slirp4netns — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 5 October 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-14378 CVE-2019-15890 CVE-2019-6778 CVE-2019-9824 CVE-2020-10756 CVE-2020-1983 CVE-2020-8608 Upstream summary: ip_reass in ip_input.c in libslirp 4.0.0 has a heap-based buffer overflow via a large packet because it mishandles a […]

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

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

🟢 Low   ⏱ 5–15 min  Last verified: 5 October 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2003-0323 CVE-2021-29376 Upstream summary: Multiple buffer overflows in ircII 20020912 allows remote malicious IRC servers to cause a denial of service (crash) and possibly execute arbitrary code via […]

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Rocky Linux 8 — php-pear — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Rocky Linux 8

Rocky Linux 8 — php-pear — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 8 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2026:1412 Related CVEs: CVE-2025-1220 CVE-2025-14177 CVE-2025-14178 CVE-2025-14180 CVE-2025-1735 CVE-2025-6491 CVE-2024-11233 CVE-2024-11234  +12 more Upstream summary: PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Server. Security Fix(es): […]

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Common Problems 123985

Oracle Linux 10 – dnf transaction blocked by GPG signature verification failure – Fix & Prevention

🔴 Critical   ⏱ 5–30 min  Last verified: 5 October 2025 Affected versions: Oracle Linux 10 📖 ~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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Debian 13 — gnunet — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — gnunet — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 5 October 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2006-2413 Upstream summary: GNUnet before SVN revision 2781 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via an empty UDP datagram, possibly […]

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Debian 13 — isoqlog — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — isoqlog — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 5 October 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-2571 Upstream summary: Multiple buffer overflows in EnderUNIX isoqlog 2.1.1 allow remote attackers to execute arbitrary code via the (1) parseQmailFromBytesLine, (2) parseQmailToRemoteLine, (3) parseQmailToLocalLine, (4) parseSendmailFromBytesLine, (5) […]

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Ubuntu 18.04 — openssh — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — openssh — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 5 October 2025 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7270-2 Related CVEs: CVE-2025-26465 CVE-2023-48795 CVE-2023-51385 https://launchpad.net/bugs/2030275 CVE-2023-38408 https://launchpad.net/bugs/1934501 CVE-2019-6111 CVE-2018-20685  +3 more Upstream summary: USN-7270-1 fixed a vulnerability in OpenSSH. This update provides the corresponding update for Ubuntu 16.04 […]

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Ubuntu 24.04 — wpa — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — wpa — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 5 October 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7317-1 Related CVEs: CVE-2022-23303 CVE-2022-23304 CVE-2022-37660 CVE-2024-5290 https://launchpad.net/bugs/2067613 Upstream summary: George Chatzisofroniou and Panayiotis Kotzanikolaou discovered that wpa_supplicant and hostapd reused encryption elements in the PKEX protocol. An attacker could […]

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