How to Harden Web Servers: Security Headers, CSP and HSTS on RHEL 7 HTTP security headers are one of the most cost-effective controls available to web server administrators. They instruct the browser to enforce strict content handling rules, preventing common attacks such as cross-site scripting (XSS), clickjacking, MIME-type confusion, and protocol downgrade attacks — without […]
🟡 Medium ⏱ 5–30 min Last verified: 6 September 2019 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory SUSE-SU-2016:1842-1 (see also SUSE bugzilla) Related CVEs: CVE-2016-5385 Upstream summary: PHP through 7.0.8 does not attempt to address RFC 3875 section 4.1.18 namespace conflicts and therefore does not protect applications from the […]
Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up set up a node.js forever process manager on debian 9 on Stretch leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Stretch freeze. Follow each […]
🟢 Low ⏱ 5–15 min Last verified: 6 September 2019 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: openoffice — DOC document heap overflow vulnerability Related CVEs: CVE-2004-0752 CVE-2005-0941 Upstream summary: AD-LAB reports that a heap-based buffer overflow vulnerability exists in OpenOffice's handling of DOC documents. When reading […]
🟢 Low ⏱ 5–15 min Last verified: 6 September 2019 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: vlc — Use after free vulnerability Related CVEs: CVE-2016-5108 CVE-2018-11529 Upstream summary: Mitre reports: VideoLAN VLC media player 2.2.x is prone to a use after free vulnerability which an attacker […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 1.5.0-r1 📖 ~4 min read • Source: Alpine secdb entry — libosinfo 1.5.0-r1 Related CVEs: CVE-2019-13313 Upstream summary: Alpine community repository for vedge ships libosinfo 1.5.0-r1 which addresses CVE-2019-13313. Table of contents Symptom & Impact Environment […]
🟢 Low ⏱ 5–15 min Last verified: 6 September 2019 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4830-1 Related CVEs: CVE-2018-1000801 Upstream summary: It was discovered that Okular mishandled certain crafted archives during extraction. An attacker could use this vulnerability to write arbitrary files to the filesystem. […]
🟡 Medium ⏱ 10–30 min Last verified: 6 September 2019 Affected versions: SLES 15 📖 ~4 min read • Source: SUSE advisory SUSE-CU-2020:10-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-12290 CVE-2019-18224 CVE-2015-2059 CVE-2015-8948 CVE-2016-6262 Upstream summary: GNU libidn2 before 2.2.0 fails to perform the roundtrip checks specified in RFC3490 Section 4.2 when converting A-labels […]
🟠 High ⏱ 5–30 min Last verified: 5 September 2019 Affected versions: Ubuntu 16.04 LTS Ubuntu 16.04 Ubuntu 16.04.7 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention […]
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