Fix Prevention

Ubuntu 20.04 — packagekit — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — packagekit — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 9 February 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8195-3 Related CVEs: CVE-2026-41651 CVE-2020-16121 CVE-2020-16122 Upstream summary: USN-8195-1 fixed a vulnerability in PackageKit. This update provides the corresponding fix to Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 20.04 […]

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

SLES 16 — alsa — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 9 February 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2009-0035 Upstream summary: alsa-utils 1.0.19 and later versions allows local users to overwrite arbitrary files via a symlink attack via the /usr/bin/alsa-info and /usr/bin/alsa-info.sh scripts. […]

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SLES 16 — libinput10 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — libinput10 — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 9 February 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2022:1305-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-1215 Upstream summary: A format string vulnerability was found in libinput Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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Oracle Linux 9 — python3.11 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — python3.11 — vulnerability — patch and remediation guide (ELSA-2025-15010)

🟡 Medium   ⏱ 10–30 min  Last verified: 9 February 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-15010 Related CVEs: CVE-2025-8194 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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NetBSD 9.4 — calibre — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — calibre — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 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-2018-7889 CVE-2024-6782 CVE-2025-64486 CVE-2026-25731 CVE-2011-4126 CVE-2011-4124 CVE-2011-4125 CVE-2023-46303  +12 more Upstream summary: pkgsrc audit-packages flagged calibre<3.19.0 for vulnerability class 'arbitrary-code-execution'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2018-7889 Table of contents Symptom & Impact Environment […]

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Oracle Linux 9 — java-21-openjdk — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — java-21-openjdk — vulnerability — patch and remediation guide (ELSA-2026-0928)

🟠 High   ⏱ 15–60 min  Last verified: 9 February 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-0928 Related CVEs: CVE-2025-64720 CVE-2025-65018 CVE-2026-21925 CVE-2026-21933 CVE-2026-21945 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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Oracle Linux 8 — bind9.16 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — bind9.16 — vulnerability — patch and remediation guide (ELSA-2025-19793)

🟠 High   ⏱ 15–60 min  Last verified: 9 February 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-19793 Related CVEs: CVE-2025-40780 CVE-2025-40778 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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Amazon Linux 2 — edk2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — edk2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2026-3275 Related CVEs: CVE-2026-28387 CVE-2026-28388 CVE-2026-28389 CVE-2026-28390 CVE-2025-68160 CVE-2025-69418 CVE-2025-69419 CVE-2025-69420  +12 more Upstream summary: Potential use-after-free in DANE client code (CVE-2026-28387) NULL Pointer Dereference When Processing a Delta CRL […]

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SLES 15 — python311-Authlib — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — python311-Authlib — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 9 February 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2026:0975-1 (see also SUSE bugzilla) Related CVEs: CVE-2026-27962 CVE-2026-28498 CVE-2025-61920 CVE-2024-37568 CVE-2026-28490 CVE-2025-68158 CVE-2025-62706 Upstream summary: Authlib is a Python library which builds OAuth and OpenID Connect servers. Prior to version 1.6.9, […]

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SLES 16 — libjxl0_11 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — libjxl0_11 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 9 February 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2026:0648-1 (see also SUSE bugzilla) Related CVEs: CVE-2026-1837 CVE-2025-12474 Upstream summary: A specially-crafted file can cause libjxl's decoder to write pixel data to uninitialized unallocated memory. Soon after that data from another […]

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