Linux

Ubuntu 22.04 — ghostscript — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — ghostscript — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • April 11, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 11 April 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7782-1 Related CVEs: CVE-2025-59799 CVE-2025-7462 CVE-2025-59798 CVE-2025-59800 CVE-2024-56827 CVE-2025-48708 CVE-2024-29508 CVE-2025-27836  +12 more Upstream summary: It was discovered that Ghostscript incorrectly handled opening a file to write. An attacker could […]

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openSUSE Tumbleweed — python311-mistune — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python311-mistune — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • April 11, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2026-33079 CVE-2026-33441 CVE-2026-44897 Upstream summary: In versions 3.0.0a1 through 3.2.0 of Mistune, there is a ReDoS (Regular Expression Denial of Service) vulnerability in `LINK_TITLE_RE` that […]

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SLES 16 — libmilter1_0 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — libmilter1_0 — vulnerability — patch and remediation guide

  • April 11, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 11 April 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2024:0742-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-51765 Upstream summary: sendmail through 8.17.2 allows SMTP smuggling in certain configurations. Remote attackers can use a published exploitation technique to inject e-mail messages with […]

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Oracle Linux 10 — fence-agents — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — fence-agents — vulnerability — patch and remediation guide (ELSA-2026-13916)

  • April 11, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 11 April 2026 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-13916 Related CVEs: CVE-2026-30922 CVE-2026-32597 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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Oracle Linux 10 — httpd — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — httpd — vulnerability — patch and remediation guide (ELSA-2025-15095)

  • April 11, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 11 April 2026 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-15095 Related CVEs: CVE-2025-49812 CVE-2024-47252 CVE-2025-23048 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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Red Hat Enterprise Linux 9 — tigervnc — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 9

Red Hat Enterprise Linux 9 — tigervnc — multiple vulnerabilities (5 CVEs) — patch and remediation guide

  • April 11, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 9 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:19342 Related CVEs: CVE-2026-33999 CVE-2026-34000 CVE-2026-34001 CVE-2026-34003 CVE-2026-34352 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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Common Problems 114055

RHEL 10 – dnf-automatic timer saturates I/O during business hours

  • April 11, 2026
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 11 April 2026 Affected versions: RHEL 10 RHEL 10.0 RHEL 10.1 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & […]

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

Oracle Linux 8 — fontforge — vulnerability — patch and remediation guide (ELSA-2026-7677)

  • April 11, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 11 April 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-7677 Related CVEs: CVE-2025-15269 CVE-2025-15270 CVE-2025-15275 CVE-2025-15279 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 — glibc — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — glibc — vulnerability — patch and remediation guide (ELSA-2026-4772)

  • April 11, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 11 April 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-4772 Related CVEs: CVE-2025-15281 CVE-2026-0915 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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CentOS Stream 9 — libarchive — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — libarchive — multiple vulnerabilities (7 CVEs) — patch and remediation guide

  • April 11, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 11 April 2026 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2026:8510 Related CVEs: CVE-2026-4424 CVE-2026-5121 CVE-2026-4111 CVE-2025-5914 CVE-2025-25724 CVE-2022-26280 CVE-2022-36227 Upstream summary: The libarchive programming library can create and read several different streaming archive formats, including GNU tar, cpio, and ISO […]

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