Linux

openSUSE Tumbleweed — nettle — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — nettle — multiple vulnerabilities (8 CVEs) — patch and remediation guide

  • November 27, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2021:0635-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-20305 CVE-2021-3580 CVE-2023-36660 CVE-2015-8803 CVE-2015-8804 CVE-2015-8805 CVE-2016-6489 CVE-2018-16869 Upstream summary: A flaw was found in Nettle in versions before 3.7.2, where several Nettle signature verification […]

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How to Install SaltStack on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Install SaltStack on CentOS Stream 9

  • November 27, 2023
  • CentOS
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Introduction CentOS Stream 9 ships with a stable, security-hardened base that makes deploying install saltstack on centos stream 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Install SaltStack on CentOS Stream 9, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. […]

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Debian 12 — lua5.1 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — lua5.1 — vulnerability — patch and remediation guide

  • November 27, 2023
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 27 November 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-5461 Upstream summary: Buffer overflow in the vararg functions in ldo.c in Lua 5.1 through 5.2.x before 5.2.3 allows context-dependent attackers to cause a denial of service (crash) […]

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Debian 11 — taglib — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — taglib — multiple vulnerabilities (7 CVEs) — patch and remediation guide

  • November 27, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 27 November 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-1107 CVE-2012-1108 CVE-2012-1584 CVE-2012-2396 CVE-2017-12678 CVE-2018-11439 CVE-2023-47466 Upstream summary: The analyzeCurrent function in ape/apeproperties.cpp in TagLib 1.7 and earlier allows context-dependent attackers to cause a denial of service […]

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Debian 12 — pdfresurrect — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — pdfresurrect — multiple vulnerabilities (5 CVEs) — patch and remediation guide

  • November 27, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 27 November 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-14267 CVE-2019-14934 CVE-2020-20740 CVE-2020-9549 CVE-2021-3508 Upstream summary: PDFResurrect 0.15 has a buffer overflow via a crafted PDF file because data associated with startxref and %%EOF is mishandled. Table […]

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openSUSE Leap 15.5 — python3-pycryptodome — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — python3-pycryptodome — vulnerability — patch and remediation guide

  • November 27, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.5 📖 ~4 min read  •  Source: SUSE advisory SUSE-RU-2024:1829-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-52323 Upstream summary: PyCryptodome and pycryptodomex before 3.19.1 allow side-channel leakage for OAEP decryption, exploitable for a Manger attack. Table of contents Symptom & […]

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Debian 12 — libffi — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libffi — vulnerability — patch and remediation guide

  • November 27, 2023
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 27 November 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-1000376 Upstream summary: libffi requests an executable stack allowing attackers to more easily trigger arbitrary code execution by overwriting the stack. Please note that libffi is used by […]

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Oracle Linux 9 — python-cryptography — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — python-cryptography — vulnerability — patch and remediation guide (ELSA-2025-15874)

  • November 27, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 27 November 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-15874 Related CVEs: CVE-2023-49083 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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How to Install Puppet Agent on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Install Puppet Agent on Debian 12

  • November 27, 2023
  • Linux
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Introduction Debian 12 Bookworm is built around the ethos of stability and free software. Setting up install puppet agent on debian 12 on Bookworm leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Bookworm freeze. Follow each step carefully and the […]

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

Oracle Linux 8 — gssntlmssp — vulnerability — patch and remediation guide (ELSA-2023-3097)

  • November 27, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 27 November 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-3097 Related CVEs: CVE-2023-25564 CVE-2023-25563 CVE-2023-25565 CVE-2023-25566 CVE-2023-25567 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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