Linux

Debian 11 — libxml-security-java — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libxml-security-java — multiple vulnerabilities (5 CVEs) — patch and remediation guide

  • September 9, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 9 September 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-2172 CVE-2013-4517 CVE-2019-12400 CVE-2021-40690 CVE-2023-44483 Upstream summary: jcp/xml/dsig/internal/dom/DOMCanonicalizationMethod.java in Apache Santuario XML Security for Java 1.4.x before 1.4.8 and 1.5.x before 1.5.5 allows context-dependent attackers to spoof an […]

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openSUSE Leap 15.5 — djvulibre — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — djvulibre — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • September 9, 2023
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.5 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2023:3520-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-46310 CVE-2021-46312 Upstream summary: An issue was discovered IW44Image.cpp in djvulibre 3.5.28 in allows attackers to cause a denial of service via divide by […]

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Ubuntu 22.04 — pycryptodome — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — pycryptodome — vulnerability — patch and remediation guide

  • September 9, 2023
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 9 September 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6595-1 Related CVEs: CVE-2023-52323 Upstream summary: It was discovered that PyCryptodome had a timing side-channel when performing OAEP decryption. A remote attacker could possibly use this issue to recover sensitive […]

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Oracle Linux 9 — openssl — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — openssl — vulnerability — patch and remediation guide (ELSA-2022-7288)

  • September 9, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 9 September 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-7288 Related CVEs: CVE-2022-3602 CVE-2022-3786 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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Alpine Linux 3.18 — cairo — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — cairo — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • September 9, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 1.17.4-r1 📖 ~4 min read  •  Source: Alpine secdb entry — cairo 1.17.4-r1 Related CVEs: CVE-2019-6462 CVE-2020-35492 CVE-2018-19876 Upstream summary: Alpine main repository for vv3.18 ships cairo 1.17.4-r1 which addresses CVE-2019-6462. Table of contents Symptom & […]

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Oracle Linux 9 — nodejs — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — nodejs — vulnerability — patch and remediation guide (ELSA-2022-6963)

  • September 9, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 9 September 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-6963 Related CVEs: CVE-2022-35256 CVE-2022-35255 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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openSUSE Leap 15.5 — quagga — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — quagga — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • September 9, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.5 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2024:3426-1 (see also SUSE bugzilla) Related CVEs: CVE-2017-15865 CVE-2022-37032 Upstream summary: bgpd in FRRouting (FRR) before 2.0.2 and 3.x before 3.0.2, as used in Cumulus Linux before 3.4.3 and other products, […]

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How to Install Amanda Network Backup on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Install Amanda Network Backup on Debian 12

  • September 9, 2023
  • Linux
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Introduction How to Install Amanda Network Backup on Debian 12 is a fundamental operation for any administrator maintaining a Debian 12 Bookworm server. Debian 12 Bookworm ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 12. […]

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AlmaLinux 9 — device-mapper-multipath — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — device-mapper-multipath — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • September 8, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2022:8453 Related CVEs: CVE-2022-3787 CVE-2022-41974 CVE-2022-41973 Upstream summary: The device-mapper-multipath packages provide tools that use the device-mapper multipath kernel module to manage multipath devices. Security Fix(es): * device-mapper-multipath: Regression of CVE-2022-41974 fix […]

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Debian 12 — libgoogle-gson-java — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libgoogle-gson-java — vulnerability — patch and remediation guide

  • September 8, 2023
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 8 September 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-25647 Upstream summary: The package com.google.code.gson:gson before 2.8.9 are vulnerable to Deserialization of Untrusted Data via the writeReplace() method in internal classes, which may lead to DoS attacks. […]

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