May 2021 - Page 13 of 69

FreeBSD 12 — mailman-postfix — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — mailman-postfix — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mailman < 2.1.38 — CSRF vulnerability of list mod or member against list admin page Related CVEs: CVE-2021-43331 CVE-2021-43332 CVE-2021-44227 Upstream summary: Mark Sapiro reports: A list moderator or list […]

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FreeBSD 13 — gtk — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — gtk — multiple vulnerabilities (3 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: gdk-pixbuf — image decoding vulnerabilities Related CVEs: CVE-2004-0782 CVE-2004-0783 CVE-2004-0788 Upstream summary: Chris Evans discovered several flaws in the gdk-pixbuf XPM image decoder: Heap-based overflow in pixbuf_create_from_xpm Stack-based overflow in […]

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FreeBSD 13 — rubygem-geminabox — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — rubygem-geminabox — multiple vulnerabilities (3 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: rubygem-geminabox — XSS vulnerabilities Related CVEs: CVE-2017-14506 CVE-2017-14683 CVE-2017-16792 Upstream summary: NVD reports: Stored cross-site scripting (XSS) vulnerability in "geminabox" (Gem in a Box) before 0.13.10 allows attackers to inject […]

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How to Configure ZFS Encryption on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Configure ZFS Encryption on FreeBSD 13

Introduction How to Configure ZFS Encryption 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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Ubuntu 18.04 — ant — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — ant — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4874-1 Related CVEs: CVE-2020-1945 Upstream summary: It was discovered that Apache Ant created temporary files with insecure permissions. An attacker could use this vulnerability to read sensitive information leaked into […]

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Oracle Linux 8 — exiv2 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — exiv2 — vulnerability — patch and remediation guide (ELSA-2021-3152)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-3152 Related CVEs: CVE-2021-31291 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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Oracle Linux 8 — ipmitool — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — ipmitool — vulnerability — patch and remediation guide (ELSA-2020-0981)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-0981 Related CVEs: CVE-2020-5208 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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Debian 10 — ghostscript — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — ghostscript — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-10216 CVE-2019-14811 CVE-2019-14869 CVE-2020-16287 CVE-2021-45944 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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