Fix Prevention

Ubuntu 22.04 — postfix — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — postfix — multiple vulnerabilities (4 CVEs) — patch and remediation guide

  • March 21, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 21 March 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8253-1 Related CVEs: CVE-2026-43964 CVE-2023-51764 https://bugs.launchpad.net/ubuntu/+source/postfix/+bug/2049337 https://bugs.launchpad.net/ubuntu/+source/postfix/+bug/2050834 Upstream summary: Kamil Frankowicz discovered that Postfix incorrectly handled certain enhanced status codes. A remote attacker could possibly use this issue to cause […]

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Windows Server 2022 — KB5064010 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5064010 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5064010 • MSRC update-guide entry Related CVEs: CVE-2025-50176 CVE-2025-50177 CVE-2025-53766 CVE-2025-53778 CVE-2025-49751 CVE-2025-49743 CVE-2025-49761 CVE-2025-49762  +12 more Affected components: Windows Server 2022, 23H2 Edition (Server Core installation) Windows Server 2022 Microsoft summary: […]

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SLES 12 — gimp-devel — vulnerability — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — gimp-devel — vulnerability — patch and remediation guide

  • March 21, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 21 March 2026 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2025:01571-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-2761 Upstream summary: GIMP FLI File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations […]

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SLES 16 — postfix — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — postfix — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • March 21, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 21 March 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2023:3394-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-32182 CVE-2023-51764 Upstream summary: A Improper Link Resolution Before File Access ('Link Following') vulnerability in SUSE SUSE Linux Enterprise Desktop 15 SP5 postfix, SUSE SUSE […]

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SLES 15 — uuidd — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — uuidd — multiple vulnerabilities (14 CVEs) — patch and remediation guide

  • March 21, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 21 March 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2024:1106-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-28085 CVE-2014-9114 CVE-2016-2779 CVE-2017-2616 CVE-2018-7738 CVE-2026-3184 CVE-2025-14104 CVE-2021-37600  +6 more Upstream summary: wall in util-linux through 2.40, often installed with setgid tty permissions, allows escape […]

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NetBSD 9.4 — sslh — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — sslh — multiple vulnerabilities (4 CVEs) — patch and remediation guide

  • March 21, 2026
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2022-4639 CVE-2025-52936 CVE-2025-46806 CVE-2025-46807 Upstream summary: pkgsrc audit-packages flagged sslh-[0-9]* for vulnerability class 'remote-code-injection'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2022-4639 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick […]

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

Oracle Linux 9 — python-tornado — vulnerability — patch and remediation guide (ELSA-2026-13670)

  • March 21, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 21 March 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-13670 Related CVEs: CVE-2026-31958 CVE-2026-35536 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 8 — fence-agents — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — fence-agents — vulnerability — patch and remediation guide (ELSA-2026-1906)

  • March 21, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 21 March 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-1906 Related CVEs: CVE-2026-23490 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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openSUSE Leap 15.6 — python311-FontTools — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — python311-FontTools — vulnerability — patch and remediation guide

  • March 21, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2026:0199-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-66034 Upstream summary: fontTools is a library for manipulating fonts, written in Python. In versions from 4.33.0 to before 4.60.2, the fonttools varLib (or […]

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SLES 15 — mercurial — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — mercurial — multiple vulnerabilities (15 CVEs) — patch and remediation guide

  • March 21, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 21 March 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2025:1054-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-2361 CVE-2018-13346 CVE-2018-13347 CVE-2018-13348 CVE-2018-17983 CVE-2019-3902 CVE-2015-7545 CVE-2016-3068  +7 more Upstream summary: A vulnerability was found in Mercurial SCM 4.5.3/71.19.145.211. It has been declared as […]

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