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Amazon Linux 2023 — containerd — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — containerd — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • May 24, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2026-1606 Related CVEs: CVE-2026-27143 CVE-2026-27144 CVE-2026-32280 CVE-2026-32281 CVE-2026-32282 CVE-2026-32283 CVE-2026-32288 CVE-2026-32289  +12 more Upstream summary: Arithmetic over induction variables in loops were not correctly checked for underflow or overflow in […]

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Alpine Linux 3.19 — ntpsec — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — ntpsec — multiple vulnerabilities (6 CVEs) — patch and remediation guide

  • May 24, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 1.2.2a-r0 📖 ~4 min read  •  Source: Alpine secdb entry — ntpsec 1.2.2a-r0 Related CVEs: CVE-2023-4012 CVE-2021-22212 CVE-2019-6442 CVE-2019-6443 CVE-2019-6444 CVE-2019-6445 Upstream summary: Alpine community repository for vv3.19 ships ntpsec 1.2.2a-r0 which addresses CVE-2023-4012. Table of […]

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Windows Server 2016 — KB5047621 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5047621 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5047621 • MSRC update-guide entry Related CVEs: CVE-2024-43516 CVE-2024-43511 Affected components: Windows Server 2016 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – […]

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openSUSE Leap 15.6 — python311-ecdsa — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

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

  • May 24, 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-2026:1436-1 (see also SUSE bugzilla) Related CVEs: CVE-2026-33936 Upstream summary: The `ecdsa` PyPI package is a pure Python implementation of ECC (Elliptic Curve Cryptography) with support for ECDSA (Elliptic Curve Digital […]

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AlmaLinux 8 — gssntlmssp — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — gssntlmssp — multiple vulnerabilities (5 CVEs) — patch and remediation guide

  • May 24, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2023:3097 Related CVEs: CVE-2023-25563 CVE-2023-25564 CVE-2023-25565 CVE-2023-25566 CVE-2023-25567 Upstream summary: The gssntlmssp is a GSSAPI NTLM mechanism that allows to perform NTLM authentication in GSSAPI programs. Security Fix(es): * gssntlmssp: multiple out-of-bounds […]

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Amazon Linux 2023 — cups — multiple vulnerabilities (19 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — cups — multiple vulnerabilities (19 CVEs) — patch and remediation guide

  • May 24, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2026-1635 Related CVEs: CVE-2026-34978 CVE-2026-34979 CVE-2026-34980 CVE-2026-34990 CVE-2026-39314 CVE-2026-39316 CVE-2022-26691 CVE-2026-27447  +11 more Upstream summary: OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. […]

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Windows Server 2016 — KB5043049 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5043049 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5043049 • MSRC update-guide entry Related CVEs: CVE-2024-43461 CVE-2024-30073 Affected components: Windows Server 2016 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – […]

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openSUSE Leap 15.6 — libtpms0 — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — libtpms0 — vulnerability — patch and remediation guide

  • May 24, 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 ESSA-2025:3052 (see also SUSE bugzilla) Related CVEs: CVE-2025-49133 Upstream summary: Libtpms is a library that targets the integration of TPM functionality into hypervisors, primarily into Qemu. Libtpms, which is derived from […]

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Alpine Linux 3.19 — openexr — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — openexr — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • May 24, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 3.1.4-r0 📖 ~4 min read  •  Source: Alpine secdb entry — openexr 3.1.4-r0 Related CVEs: CVE-2021-45942 CVE-2023-5841 CVE-2021-3598 CVE-2021-23169 CVE-2021-23215 CVE-2021-26260 CVE-2021-26945 CVE-2021-20296  +12 more Upstream summary: Alpine community repository for vv3.19 ships openexr 3.1.4-r0 which […]

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AlmaLinux 8 — libtar — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — libtar — multiple vulnerabilities (4 CVEs) — patch and remediation guide

  • May 24, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2023:2898 Related CVEs: CVE-2021-33643 CVE-2021-33644 CVE-2021-33645 CVE-2021-33646 Upstream summary: The libtar packages contain a C library for manipulating tar archives. The library supports both the strict POSIX tar format and many of […]

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