Security Hardening

Debian 11 — golang-github-azure-go-ntlmssp — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — golang-github-azure-go-ntlmssp — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 June 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2026-32952 Upstream summary: go-ntlmssp is a Go package that provides NTLM/Negotiate authentication over HTTP. Prior to version 0.1.1, a malicious NTLM challenge message can causes an slice out […]

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Debian 13 — libnet-cidr-perl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libnet-cidr-perl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 June 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-4456 Upstream summary: Net::CIDR versions before 0.24 for Perl mishandle leading zeros in IP CIDR addresses, which may have unspecified impact. The functions `addr2cidr` and `cidrlookup` may return leading […]

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NetBSD 9.4 — xz — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — xz — multiple vulnerabilities (2 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-2015-4035 CVE-2025-31115 Upstream summary: pkgsrc audit-packages flagged xz<5.2.0 for vulnerability class 'arbitrary-code-execution'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2015-4035 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

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Debian 13 — gobby — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — gobby — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 June 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-35450 Upstream summary: Gobby 0.4.11 allows a NULL pointer dereference in the D-Bus handler for certain set_language calls. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Debian 13 — lxml-html-clean — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — lxml-html-clean — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 16 June 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2024-52595 CVE-2026-28348 CVE-2026-28350 Upstream summary: lxml_html_clean is a project for HTML cleaning functionalities copied from `lxml.html.clean`. Prior to version 0.4.0, the HTML Parser in lxml does not properly […]

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Debian 13 — minidlna — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — minidlna — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 16 June 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-2738 CVE-2013-2739 CVE-2013-2745 CVE-2020-12695 CVE-2020-28926 CVE-2022-26505 CVE-2023-33476 CVE-2023-47430  +1 more Upstream summary: minidlna has SQL Injection that may allow retrieval of arbitrary files Table of contents Symptom & […]

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Debian 13 — gdm3 — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — gdm3 — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 16 June 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2011-0727 CVE-2013-7273 CVE-2015-7496 CVE-2016-1000002 CVE-2017-12164 CVE-2018-14424 CVE-2019-3825 CVE-2020-16125  +1 more Upstream summary: GNOME Display Manager (gdm) 2.x before 2.32.1 allows local users to change the ownership of arbitrary […]

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Ubuntu 16.04 — vim — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

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

🟠 High   ⏱ 15–60 min  Last verified: 16 June 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8213-1 Related CVEs: CVE-2026-39881 CVE-2026-35177 CVE-2026-33412 CVE-2026-34982 CVE-2026-32249 CVE-2026-26269 CVE-2026-28419 CVE-2026-28418  +12 more Upstream summary: Michał Majchrowicz discovered that Vim's zip plugin could overwrite arbitrary files. An attacker could possibly […]

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openSUSE Tumbleweed — cpp-httplib-devel — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — cpp-httplib-devel — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2026:20090-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-66570 CVE-2026-33745 CVE-2026-21428 CVE-2026-28435 CVE-2026-32627 CVE-2025-46728 CVE-2026-34441 CVE-2026-22776  +3 more Upstream summary: cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.27.0, […]

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AlmaLinux 8 — python-kdcproxy — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — python-kdcproxy — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2025:21140 Related CVEs: CVE-2025-59088 CVE-2025-59089 CVE-2025-7493 CVE-2025-4404 CVE-2024-2698 CVE-2024-3183 CVE-2021-3480 CVE-2020-17049  +12 more Upstream summary: AlmaLinux Identity Management (IdM) is a centralized authentication, identity management, and authorization solution for both traditional and […]

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