October 2023 - Page 72 of 75

Debian 12 — libjdom1-java — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libjdom1-java — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-33813 Upstream summary: An XXE issue in SAXBuilder in JDOM through 2.0.6 allows attackers to cause a denial of service via a crafted HTTP request. Table of contents […]

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

Debian 12 — fcheck — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2006-1753 Upstream summary: A cron job in fcheck before 2.7.59 allows local users to overwrite arbitrary files via a symlink attack on a temporary file. Table of contents […]

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

Debian 12 — mhc — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2003-0120 Upstream summary: adb2mhc in the mhc-utils package before 0.25+20010625-7.1 allows local users to overwrite arbitrary files via a symlink attack on a default temporary directory with a […]

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Debian 11 — dino-im — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — dino-im — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-16235 CVE-2019-16236 CVE-2019-16237 CVE-2021-33896 CVE-2023-28686 Upstream summary: Dino before 2019-09-10 does not properly check the source of a carbons message in module/xep/0280_message_carbons.vala. Table of contents Symptom & Impact […]

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Ubuntu 22.04 — amd64-microcode — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — amd64-microcode — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7077-1 Related CVEs: CVE-2023-31315 CVE-2023-20569 CVE-2023-20593 Upstream summary: Enrique Nissim and Krzysztof Okupski discovered that some AMD processors did not properly restrict access to the System Management Mode (SMM) configuration […]

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Ubuntu 20.04 — mariadb-10.3 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — mariadb-10.3 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6600-1 Related CVEs: CVE-2022-47015 CVE-2023-22084 https://launchpad.net/bugs/2006882 CVE-2018-25032 CVE-2021-46669 CVE-2022-21427 CVE-2022-27376 CVE-2022-27377  +12 more Upstream summary: Several security issues were discovered in MariaDB and this update includes new upstream MariaDB versions […]

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Ubuntu 22.04 — recutils — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — recutils — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7137-1 Related CVEs: CVE-2019-11637 CVE-2019-11638 CVE-2019-11639 CVE-2019-11640 CVE-2019-6455 CVE-2019-6456 CVE-2019-6457 CVE-2019-6458  +5 more Upstream summary: It was discovered that recutils incorrectly handled memory when parsing comments with the recparser utility. […]

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Ubuntu 20.04 — pmix — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — pmix — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6434-1 Related CVEs: CVE-2023-41915 Upstream summary: Francois Diakhate discovered that PMIx did not properly handle race conditions in the pmix library, which could lead to unwanted privilege escalation. An attacker […]

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Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2023-12858)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-12858 Related CVEs: CVE-2023-20588 CVE-2023-22024 CVE-2023-42753 CVE-2023-6546 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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Oracle Linux 8 — postgresql:13 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — postgresql:13 — vulnerability — patch and remediation guide (ELSA-2023-7581)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-7581 Related CVEs: CVE-2023-5870 CVE-2023-39417 CVE-2023-5869 CVE-2023-5868 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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