Linux

Debian 11 — libnet-cidr-lite-perl — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libnet-cidr-lite-perl — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 19 February 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-47154 CVE-2026-40198 CVE-2026-40199 CVE-2026-45190 CVE-2026-45191 Upstream summary: The Net::CIDR::Lite module before 0.22 for Perl does not properly consider extraneous zero characters at the beginning of an IP address […]

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Debian 13 — python-werkzeug — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — python-werkzeug — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 19 February 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-10516 CVE-2019-14806 CVE-2020-28724 CVE-2023-23934 CVE-2023-25577 CVE-2023-46136 CVE-2024-34069 CVE-2024-49767 Upstream summary: Cross-site scripting (XSS) vulnerability in the render_full function in debug/tbtools.py in the debugger in Pallets Werkzeug before 0.11.11 […]

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Debian 12 — znuny — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — znuny — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 19 February 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-4427 CVE-2023-38060 CVE-2024-32491 CVE-2024-32493 CVE-2024-48937 CVE-2024-48938 CVE-2025-26842 CVE-2025-26844  +7 more Upstream summary: Improper Input Validation vulnerability in OTRS AG OTRS, OTRS AG ((OTRS)) Community Edition allows SQL Injection […]

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Ubuntu 18.04 — openssl1.0 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — openssl1.0 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 19 February 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8155-2 Related CVEs: CVE-2026-28388 CVE-2026-28389 CVE-2026-28390 CVE-2026-28387 CVE-2025-68160 CVE-2025-69420 CVE-2026-22796 CVE-2025-69421  +12 more Upstream summary: USN-8155-1 fixed vulnerabilities in OpenSSL. This update provides the corresponding updates for CVE-2026-28387 for openssl […]

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openSUSE Tumbleweed — python311-PyJWT — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python311-PyJWT — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory RHSA-2026:12176 (see also SUSE bugzilla) Related CVEs: CVE-2026-32597 Upstream summary: PyJWT is a JSON Web Token implementation in Python. Prior to 2.12.0, PyJWT does not validate the crit (Critical) Header Parameter defined […]

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Ubuntu 24.04 — binutils — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — binutils — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 19 February 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7919-1 Related CVEs: CVE-2025-11495 CVE-2025-11081 CVE-2025-11083 CVE-2025-11412 CVE-2025-11082 CVE-2025-11413 CVE-2025-11414 CVE-2025-11494  +12 more Upstream summary: It was discovered that GNU binutils' dump_dwarf_section function could be manipulated to perform an out-of-bounds […]

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Red Hat Enterprise Linux 10 — libvpx — vulnerability — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 10

Red Hat Enterprise Linux 10 — libvpx — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 10 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:5227 Related CVEs: CVE-2026-2447 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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Ubuntu 16.04 — glibc — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — glibc — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 19 February 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8005-1 Related CVEs: CVE-2026-0915 CVE-2025-8058 CVE-2025-15281 CVE-2026-0861 CVE-2025-0395 CVE-2024-33599 CVE-2024-33600 CVE-2024-33601  +12 more Upstream summary: Vitaly Simonovich discovered that the GNU C Library did not properly initialize the input when […]

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SLES 16 — libsodium26 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — libsodium26 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 19 February 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2026:0368-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-69277 CVE-2025-15444 Upstream summary: libsodium before ad3004e, in atypical use cases involving certain custom cryptography or untrusted data to crypto_core_ed25519_is_valid_point, mishandles checks for whether an […]

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Oracle Linux 10 — gnupg2 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — gnupg2 — vulnerability — patch and remediation guide (ELSA-2026-2719)

🟠 High   ⏱ 15–60 min  Last verified: 19 February 2026 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-2719 Related CVEs: CVE-2026-24882 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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