October 2021 - Page 21 of 69

OpenBSD 7.4 — readdir — errata 022_readdir — reliability fix — syspatch and remediation — diagnosis and fix on OpenBSD 7.4

OpenBSD 7.4 — readdir — errata 022_readdir — reliability fix — syspatch and remediation

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: OpenBSD 7.4 📖 ~4 min read  •  Source: OpenBSD 7.4 errata 022_readdir Errata topic: Security: readdir (All architectures) Issued: September 17, 2024 Upstream summary: In readdir name validation exclude any '/' to avoid unexpected directory traversal on untrusted file systems. Table of […]

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FreeBSD 13 — py310-suds — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py310-suds — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-suds — vulnerable to symlink attacks Related CVEs: CVE-2013-2217 Upstream summary: SUSE reports: cache.py in Suds 0.4, when tempdir is set to None, allows local users to redirect SOAP queries […]

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

FreeBSD 13 — enscript-a — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: enscript — arbitrary code execution vulnerability Related CVEs: CVE-2004-1184 CVE-2004-1185 CVE-2004-1186 CVE-2008-3863 CVE-2008-4306 Upstream summary: Ulf Harnhammar of Secunia Research reports: Stack-based buffer overflow in the read_special_escape function in src/psgen.c […]

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How to Configure Prometheus AlertManager on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure Prometheus AlertManager on FreeBSD 13

Introduction FreeBSD 13 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up configure prometheus alertmanager on freebsd 13 on FreeBSD 13 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux distribution. […]

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Oracle Linux 8 — frr — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — frr — security and stability fixes — required update (ELSA-2020-4619)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-4619 Related CVEs: CVE-2020-12831 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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FreeBSD 13 — sogo2-activesync — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — sogo2-activesync — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: SOGo — SAML user authentication impersonation Related CVEs: CVE-2021-33054 Upstream summary: sogo.nu reports: SOGo was not validating the signatures of any SAML assertions it received. This means any actor with […]

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Common Problems 117540

Ubuntu 20.04 LTS SSH Public Key Login Fails

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 📖 ~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 & Cross-Refs References & Further […]

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

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

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: gnupg — AEAD key import overflow Related CVEs: CVE-2003-0971 CVE-2005-0366 CVE-2006-0049 CVE-2006-0455 CVE-2006-3082 CVE-2006-6235 CVE-2008-1530 CVE-2013-4402  +5 more Upstream summary: Importing an OpenPGP key having a preference list for AEAD […]

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

FreeBSD 13 — pdfjam — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: pdfjam — insecure temporary files Related CVEs: CVE-2008-5743 Upstream summary: Secunia reports: Some security issues have been reported in PDFjam, which can be exploited by malicious, local users to perform […]

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