Systemd Services

FreeBSD 13 — foomatic-filters — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — foomatic-filters — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 October 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: cups-filters — code execution Related CVEs: CVE-2015-8327 CVE-2015-8560 Upstream summary: Till Kamppeter reports: Cups Filters/Foomatic Filters does not consider semicolon as an illegal escape character. Table of contents Symptom & […]

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Amazon Linux 2 — gd — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — gd — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2023-2044 Related CVEs: CVE-2021-40145 CVE-2016-5766 Upstream summary: ** DISPUTED ** gdImageGd2Ptr in gd_gd2.c in the GD Graphics Library (aka LibGD) through 2.3.2 has a double free. NOTE: the vendor's position […]

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FreeBSD 13 — ossec-hids-server — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — ossec-hids-server — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 October 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: security/ossec-hids-* — root escalation via syscheck feature Related CVEs: CVE-2014-5284 CVE-2015-3222 Upstream summary: OSSEC reports: The CVE-2015-3222 vulnerability, which allows for root escalation via sys check has been fixed in […]

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FreeBSD 13 — py33-pycrypto — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py33-pycrypto — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 October 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: pycrypto — PRNG reseed race condition Related CVEs: CVE-2013-1445 Upstream summary: Dwayne Litzenberger reports: In PyCrypto before v2.6.1, the Crypto.Random pseudo-random number generator (PRNG) exhibits a race condition that may […]

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How to Enable Brotli Compression in Nginx on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Enable Brotli Compression in Nginx on FreeBSD 13

Introduction How to Enable Brotli Compression in Nginx 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 […]

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FreeBSD 13 — libXfont — multiple vulnerabilities (17 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — libXfont — multiple vulnerabilities (17 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 19 October 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libXfont — permission bypass when opening files through symlinks Related CVEs: CVE-2007-5760 CVE-2007-5958 CVE-2007-6427 CVE-2007-6428 CVE-2007-6429 CVE-2008-0006 CVE-2011-2895 CVE-2013-6462  +9 more Upstream summary: the freedesktop.org project reports: A non-privileged X […]

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openSUSE Tumbleweed — libmysofa1 — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libmysofa1 — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2021-3756 CVE-2019-10672 CVE-2019-16092 CVE-2019-16093 CVE-2019-16091 CVE-2019-16094 CVE-2019-16095 CVE-2019-20063  +7 more Upstream summary: libmysofa is vulnerable to Heap-based Buffer Overflow Table of contents Symptom & Impact […]

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FreeBSD 12 — zydis — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — zydis — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 October 2021 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: zydis — heap buffer overflow Related CVEs: CVE-2021-41253 Upstream summary: Zyantific reports: Zydis users of versions v3.2.0 and older that use the string functions provided in zycore in order to […]

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Ubuntu 18.04 — svgpp — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — svgpp — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 October 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6178-1 Related CVEs: CVE-2019-6246 CVE-2021-44960 Upstream summary: It was discovered that in SVG++ library that the demo application incorrectly managed memory resulting in a memory access violation under certain circumstances. […]

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

Oracle Linux 8 — libarchive — security and stability fixes — required update (ELSA-2019-3698)

🟡 Medium   ⏱ 10–30 min  Last verified: 18 October 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-3698 Related CVEs: CVE-2017-14503 CVE-2019-1000020 CVE-2019-1000019 CVE-2018-1000877 CVE-2018-1000878 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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