Linux

Fedora 42 — python3.11 — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Fedora 42

Fedora 42 — python3.11 — multiple vulnerabilities (6 CVEs) — patch and remediation guide

  • January 21, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Fedora 42 📖 ~4 min read  •  Source: Fedora update FEDORA-2026-dd34c4467b Related CVEs: CVE-2026-1502 CVE-2026-4786 CVE-2026-6100 CVE-2026-2297 CVE-2026-4224 CVE-2026-3644 Upstream summary: Security fixes for CVE-2026-1502, CVE-2026-4786, CVE-2026-6100, CVE-2026-2297, CVE 2026-3644, CVE-2026-4224 Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Oracle Linux 9 — nodejs:20 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — nodejs:20 — vulnerability — patch and remediation guide (ELSA-2026-7896)

  • January 21, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 21 January 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-7896 Related CVEs: CVE-2026-21710 CVE-2026-26996 CVE-2026-27135 CVE-2026-27904 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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CentOS Stream 10 — kea — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 10

CentOS Stream 10 — kea — multiple vulnerabilities (5 CVEs) — patch and remediation guide

  • January 21, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 21 January 2026 Affected versions: CentOS Stream 10 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2026:7342 Related CVEs: CVE-2026-3608 CVE-2025-11232 CVE-2025-32801 CVE-2025-32802 CVE-2025-32803 Upstream summary: DHCP implementation from Internet Systems Consortium, Inc. that features fully functional DHCPv4, DHCPv6 and Dynamic DNS servers. Both DHCP servers fully […]

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SLES 15 — python3-pyasn1 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — python3-pyasn1 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • January 21, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 21 January 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory RHSA-2026:12176 (see also SUSE bugzilla) Related CVEs: CVE-2026-30922 CVE-2026-23490 Upstream summary: pyasn1 is a generic ASN.1 library for Python. Prior to 0.6.3, the `pyasn1` library is vulnerable to a Denial of Service […]

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Rocky Linux 8 — grafana — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Rocky Linux 8

Rocky Linux 8 — grafana — multiple vulnerabilities (9 CVEs) — patch and remediation guide

  • January 21, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 8 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2026:11507 Related CVEs: CVE-2026-32280 CVE-2026-32282 CVE-2026-32283 CVE-2026-25679 CVE-2025-61726 CVE-2025-61728 CVE-2025-68121 CVE-2025-61729  +1 more Upstream summary: Grafana is an open source, feature rich metrics dashboard and graph editor for Graphite, InfluxDB […]

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SLES 15 — perl-Crypt-URandom — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — perl-Crypt-URandom — vulnerability — patch and remediation guide

  • January 21, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 21 January 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2026:1170-1 (see also SUSE bugzilla) Related CVEs: CVE-2026-2474 Upstream summary: Crypt::URandom versions from 0.41 before 0.55 for Perl is vulnerable to a heap buffer overflow in the XS function crypt_urandom_getrandom(). The function […]

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Ubuntu 18.04 — linux-hwe-5.4 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — linux-hwe-5.4 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • January 21, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 21 January 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8273-1 Related CVEs: CVE-2024-50304 CVE-2026-23112 CVE-2026-23209 CVE-2022-49046 CVE-2024-46816 CVE-2025-37849 CVE-2026-23060 CVE-2026-23074  +12 more Upstream summary: Several security issues were discovered in the Linux kernel. An attacker could possibly use these […]

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AlmaLinux 10 — cockpit — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 10

AlmaLinux 10 — cockpit — vulnerability — patch and remediation guide

  • January 20, 2026
  • Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 10 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:7383 Related CVEs: CVE-2026-4631 Upstream summary: Cockpit enables users to administer GNU/Linux servers using a web browser. It offers network configuration, log inspection, diagnostic reports, SELinux troubleshooting, interactive command-line sessions, and more. […]

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Amazon Linux 2023 — perl-Text-CSV_XS — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — perl-Text-CSV_XS — vulnerability — patch and remediation guide

  • January 20, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2026-1697 Related CVEs: CVE-2026-7111 Upstream summary: CSV_XS versions before 1.62 for Perl have a use-after-free when registered callbacks extend the Perl argument stack, which may enable type confusion or memory […]

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Debian 12 — flask — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — flask — multiple vulnerabilities (4 CVEs) — patch and remediation guide

  • January 20, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 20 January 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-1000656 CVE-2019-1010083 CVE-2023-30861 CVE-2026-27205 Upstream summary: The Pallets Project flask version Before 0.12.3 contains a CWE-20: Improper Input Validation vulnerability in flask that can result in Large amount […]

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