Package Management

Debian 11 — ibm-3270 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — ibm-3270 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 5 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-5662 Upstream summary: x3270 before 3.3.12ga12 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the […]

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FreeBSD 13 — apache-tomcat — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — apache-tomcat — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 4 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: tomcat — XSS vulnerability in sample applications Related CVEs: CVE-2005-2090 CVE-2007-0450 CVE-2007-1355 CVE-2007-1358 Upstream summary: The Apache Project reports: The JSP and Servlet included in the sample application within the […]

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FreeBSD 13 — ghostscript9-base — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — ghostscript9-base — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: ghostscript — denial of service (crash) via crafted Postscript files Related CVEs: CVE-2015-3228 Upstream summary: MITRE reports: Integer overflow in the gs_heap_alloc_bytes function in base/gsmalloc.c in Ghostscript 9.15 and earlier […]

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

AlmaLinux 8 — qpdf — 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-2019:3507 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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Oracle Linux 8 — Graphical Installation Program Fails to Produce Error When an Unacceptable Kdump Value Is Entered — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Graphical Installation Program Fails to Produce Error When an Unacceptable Kdump Value Is Entered

🟠 High   ⏱ 5–30 min  Last verified: 4 November 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: Oracle Bug 31133351 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 […]

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How to Configure Jenkins Pipelines on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure Jenkins Pipelines on FreeBSD 13

Introduction How to Configure Jenkins Pipelines on FreeBSD 13 is a core administration task for any FreeBSD 13 server operator. FreeBSD 13 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet filtering, […]

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FreeBSD 13 — php70-mbstring — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — php70-mbstring — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 4 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: oniguruma — multiple vulnerabilities Related CVEs: CVE-2015-8874 CVE-2016-5766 CVE-2016-5767 CVE-2016-5768 CVE-2016-5769 CVE-2016-5770 CVE-2016-5771 CVE-2016-5772  +5 more Upstream summary: the PHP project reports: A stack out-of-bounds read occurs in match_at() during […]

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Alpine Linux edge — py3-httplib2 — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — py3-httplib2 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0.19.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — py3-httplib2 0.19.0-r0 Related CVEs: CVE-2021-21240 Upstream summary: Alpine community repository for vedge ships py3-httplib2 0.19.0-r0 which addresses CVE-2021-21240. Table of contents Symptom & Impact Environment […]

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FreeBSD 13 — vnc — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 13

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

🟢 Low   ⏱ 5–15 min  Last verified: 4 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: vnc — authentication bypass vulnerability Upstream summary: RealVNC is susceptible to an authentication-bypass vulnerability. A malicious VNC client can cause a VNC server to allow it to connect without any […]

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