Common Problems

FreeBSD 13 — redmine — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — redmine — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 21 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: redmine — information leak vulnerability Related CVEs: CVE-2012-0327 CVE-2014-1985 CVE-2015-8346 CVE-2015-8473 CVE-2015-8474 CVE-2015-8477 CVE-2015-8537 Upstream summary: Redmine reports: Data disclosure in atom feed. Table of contents Symptom & Impact Environment […]

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

AlmaLinux 8 — libnotify — 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-2022:1818 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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Common Problems 113108

Windows Server 2016 – WFP callout driver blocks RPC and domain traffic – Fix and Prevention

🟠 High   ⏱ 5–30 min  Last verified: 21 November 2021 Affected versions: Windows Server 2016 📖 ~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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FreeBSD 13 — quake2forge — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — quake2forge — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: quake2 — multiple critical vulnerabilities Upstream summary: An advisory published by Richard Stanway describes numerous critical vulnerabilities in the Quake II engine: Due to unchecked input at various stages in […]

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FreeBSD 13 — pgp — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — pgp — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: gnupg — OpenPGP symmetric encryption vulnerability Related CVEs: CVE-2005-0366 Upstream summary: Serge Mister and Robert Zuccherato reports that the OpenPGP protocol is vulnerable to a cryptographic attack when using symmetric […]

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Debian 11 — rust-bumpalo — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — rust-bumpalo — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-35861 Upstream summary: An issue was discovered in the bumpalo crate before 3.2.1 for Rust. The realloc feature allows the reading of unknown memory. Attackers can potentially read […]

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Debian 11 — apt-listchanges — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — apt-listchanges — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-0302 Upstream summary: Untrusted search path vulnerability in apt-listchanges.py in apt-listchanges before 2.82 allows local users to execute arbitrary code via a malicious apt-listchanges program in the current […]

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Debian 10 — nextcloud-desktop — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — nextcloud-desktop — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 November 2021 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-22895 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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

AlmaLinux 8 — wayland — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2023:2786 Related CVEs: CVE-2021-3782 Upstream summary: Wayland is a protocol for a compositor to talk to its clients, as well as a C library implementation of that protocol. The compositor can be […]

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Gentoo Linux — dev-ruby/bundler — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — dev-ruby/bundler — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202408-22 Related CVEs: CVE-2019-3881 CVE-2020-36327 CVE-2021-43809 Upstream summary: Multiple vulnerabilities have been discovered in Bundler. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & […]

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