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Debian 11 — perdition — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — perdition — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 31 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-5740 CVE-2013-4584 Upstream summary: The format string protection mechanism in IMAPD for Perdition Mail Retrieval Proxy 1.17 and earlier allows remote attackers to execute arbitrary code via an […]

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Debian 11 — mailfilter — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — mailfilter — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 31 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-1558 Upstream summary: The APOP protocol allows remote attackers to guess the first 3 characters of a password via man-in-the-middle (MITM) attacks that use crafted message IDs and […]

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AlmaLinux 8 — wpa_supplicant — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — wpa_supplicant — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2022:2062 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Debian 11 — recutils — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — recutils — multiple vulnerabilities (14 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 31 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-11637 CVE-2019-11638 CVE-2019-11639 CVE-2019-11640 CVE-2019-6455 CVE-2019-6456 CVE-2019-6457 CVE-2019-6458  +6 more Upstream summary: An issue was discovered in GNU recutils 1.8. There is a NULL pointer dereference in the […]

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Debian 11 — ruby-bson — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — ruby-bson — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 31 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-4410 Upstream summary: The Moped::BSON::ObjecId.legal? method in rubygem-moped before commit dd5a7c14b5d2e466f7875d079af71ad19774609b allows remote attackers to cause a denial of service (worker resource consumption) or perform a cross-site scripting […]

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How to Set Up Two-Factor Authentication with Google Authenticator on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up Two-Factor Authentication with Google Authenticator on Debian 9

Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up set up two-factor authentication with google authenticator on debian 9 on Stretch leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Stretch freeze. Follow each […]

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AlmaLinux 8 — mingw-filesystem — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — mingw-filesystem — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2021:1968 Related CVEs: CVE-2019-16168 CVE-2020-13434 CVE-2020-13630 CVE-2020-13631 CVE-2020-13632 Upstream summary: MinGW is a free and open source software development environment to create Microsoft Windows applications. The following packages have been upgraded to […]

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Ubuntu 16.04 — gmp — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — gmp — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 31 May 2022 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5672-1 Related CVEs: CVE-2021-43618 Upstream summary: It was discovered that GMP did not properly manage memory on 32-bit platforms when processing a specially crafted input. An attacker could possibly use […]

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Ubuntu 18.04 — lrzip — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — lrzip — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 31 May 2022 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5840-1 Related CVEs: CVE-2018-5786 CVE-2020-25467 CVE-2021-27345 CVE-2021-27347 CVE-2022-26291 CVE-2022-28044 CVE-2017-8844 CVE-2017-8846  +7 more Upstream summary: It was discovered that Long Range ZIP incorrectly handled pointers. If a user or an […]

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