Common Problems

Debian 11 — gnuchess — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — gnuchess — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 23 August 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-8972 CVE-2019-15767 CVE-2021-30184 Upstream summary: Stack-based buffer overflow in the ValidateMove function in frontend/move.cc in GNU Chess (aka gnuchess) before 6.2.4 might allow context-dependent attackers to execute arbitrary […]

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

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

🟠 High   ⏱ 15–60 min  Last verified: 23 August 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2006-5111 CVE-2014-9087 CVE-2016-4353 CVE-2016-4354 CVE-2016-4355 CVE-2016-4356 CVE-2016-4574 CVE-2016-4579  +2 more Upstream summary: The libksba library 0.9.12 and possibly other versions, as used by gpgsm in the newpg package […]

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

AlmaLinux 8 — libmemcached — 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-2022:1794 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 — heimdal — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — heimdal — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 23 August 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2002-1225 CVE-2002-1226 CVE-2002-1235 CVE-2003-0138 CVE-2004-0371 CVE-2004-0434 CVE-2005-0469 CVE-2005-2040  +12 more Upstream summary: Multiple buffer overflows in Heimdal before 0.5, possibly in both the (1) kadmind and (2) kdc […]

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Debian 10 — krb5 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — krb5 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 August 2021 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-28196 CVE-2021-36222 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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Gentoo Linux — app-emulation/virtualbox-guest-additions — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — app-emulation/virtualbox-guest-additions — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202208-36 Related CVEs: CVE-2021-2145 CVE-2021-2250 CVE-2021-2264 CVE-2021-2266 CVE-2021-2279 CVE-2021-2280 CVE-2021-2281 CVE-2021-2282  +12 more Upstream summary: Multiple vulnerabilities have been discovered in VirtualBox. Please review the CVE identifiers referenced below for details. Table […]

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FreeBSD 13 — websvn — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — websvn — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 22 August 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: websvn — reflected cross-site scripting Related CVEs: CVE-2008-5918 CVE-2008-5919 CVE-2009-0240 CVE-2013-6892 CVE-2016-2511 Upstream summary: Sebastien Delafond reports: Jakub Palaczynski discovered that websvn, a web viewer for Subversion repositories, does not […]

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Oracle Linux 8 — Image Builder security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Image Builder security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2022-7548)

🟢 Low   ⏱ 5–15 min  Last verified: 22 August 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-7548 Related CVEs: CVE-2022-32189 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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