Linux

SLES 15 — log4j — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — log4j — multiple vulnerabilities (15 CVEs) — patch and remediation guide

  • January 24, 2026
  • Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 24 January 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory BLOG-LOG4SHELL (see also SUSE bugzilla) Related CVEs: CVE-2021-44228 CVE-2019-17571 CVE-2022-23305 CVE-2022-23307 CVE-2021-45105 CVE-2021-45046 CVE-2026-34477 CVE-2026-34479  +7 more Upstream summary: Apache Log4j2 2.0-beta9 through 2.15.0 (excluding security releases 2.12.2, 2.12.3, and 2.3.1) JNDI […]

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SLES 16 — checkbashisms — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — checkbashisms — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • January 24, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 24 January 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE security advisory Related CVEs: CVE-2012-2240 CVE-2012-2241 CVE-2012-3500 Upstream summary: scripts/dscverify.pl in devscripts before 2.12.3 allows remote attackers to execute arbitrary commands via unspecified vectors related to "arguments to external commands." Table of contents […]

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Fedora 42 — perl-CryptX — vulnerability — patch and remediation guide — diagnosis and fix on Fedora 42

Fedora 42 — perl-CryptX — vulnerability — patch and remediation guide

  • January 24, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Fedora 42 📖 ~4 min read  •  Source: Fedora update FEDORA-2026-bc5090f99b Related CVEs: CVE-2026-41564 Upstream summary: 0.088 2026-04-23 – Crypt::KeyDerivation – new functions: pbkdf1_openssl, bcrypt_pbkdf, scrypt_pbkdf, argon2_pbkdf – Crypt::Misc – new functions: random_v7uuid, is_uuid – bundled libtomcrypt update branch:develop (commit: 2e441a17 2026-04-15) […]

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Ubuntu 14.04 — python-django — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — python-django — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • January 24, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 24 January 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8154-2 Related CVEs: CVE-2026-33033 CVE-2026-4292 CVE-2026-4277 CVE-2026-1312 CVE-2025-13473 CVE-2026-1287 CVE-2025-14550 CVE-2026-1285  +12 more Upstream summary: USN-8154-1 fixed vulnerabilities in Django. This update provides the corresponding updates for CVE-2026-33033 and CVE-2026-4292 […]

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How to Install and Configure Memcached on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install and Configure Memcached on RHEL 9

  • January 24, 2026
  • Linux
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Memcached is a high-performance, distributed in-memory key-value cache designed specifically for caching database query results, session data, and computed values. Unlike Redis, Memcached is deliberately simple — it does not support persistence, replication, or complex data types. This simplicity makes Memcached extremely fast and memory-efficient: it uses a slab allocator to eliminate memory fragmentation and […]

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Amazon Linux 2023 — python-flask — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — python-flask — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • January 23, 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 ALAS2023-2023-183 Related CVEs: CVE-2023-30861 CVE-2026-27205 Upstream summary: Flask is a lightweight WSGI web application framework. When all of the following conditions are met, a response containing data intended for one […]

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Amazon Linux 2023 — sqlite — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — sqlite — multiple vulnerabilities (5 CVEs) — patch and remediation guide

  • January 23, 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 ALAS2023-2025-971 Related CVEs: CVE-2022-46908 CVE-2023-7104 CVE-2022-35737 CVE-2025-6965 CVE-2023-36191 Upstream summary: SQLite through 3.40.0, when relying on –safe for execution of an untrusted CLI script, does not properly implement the azProhibitedFunctions […]

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Rocky Linux 10 — openexr — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Rocky Linux 10

Rocky Linux 10 — openexr — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • January 23, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 10 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2026:15888 Related CVEs: CVE-2026-34588 CVE-2026-27622 Upstream summary: OpenEXR is an open-source high-dynamic-range floating-point image file format for high-quality image processing and storage. This document presents a brief overview of OpenEXR […]

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Rocky Linux 10 — ruby — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Rocky Linux 10

Rocky Linux 10 — ruby — multiple vulnerabilities (4 CVEs) — patch and remediation guide

  • January 23, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 10 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2026:18065 Related CVEs: CVE-2026-41316 CVE-2025-24294 CVE-2025-58767 CVE-2025-61594 Upstream summary: Ruby is an extensible, interpreted, object-oriented, scripting language. It has features to process text files and to perform system management tasks. […]

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Debian 13 — libtheora — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libtheora — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • January 23, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 23 January 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-3389 CVE-2024-56431 CVE-2026-5673 Upstream summary: Integer overflow in libtheora in Xiph.Org Theora before 1.1, as used in Mozilla Firefox 3.5 before 3.5.6 and SeaMonkey before 2.0.1, allows remote […]

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