Introduction This tutorial demonstrates how to Harden GRUB Bootloader on RHEL 10 on RHEL 10. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered RHEL 10 system with the default AppStream repositories enabled. […]
🟢 Low ⏱ 5–15 min Last verified: 4 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2022-25887 CVE-2024-21501 Upstream summary: The package sanitize-html before 2.7.1 are vulnerable to Regular Expression Denial of Service (ReDoS) due to insecure global regular expression replacement logic of HTML […]
🟢 Low ⏱ 5–15 min Last verified: 4 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: postorius — XSS Related CVEs: CVE-2026-44742 Upstream summary: NIST reports: Postorius through 1.3.13 does not escape HTML in the message subject when rendering it in the Held messages pop-up, as […]
🟢 Low ⏱ 5–15 min Last verified: 4 May 2026 Affected versions: Debian 13 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2025-54869 Upstream summary: FPDI is a collection of PHP classes that facilitate reading pages from existing PDF documents and using them as templates in FPDF. In versions 2.6.2 and […]
🟡 Medium ⏱ 10–30 min Last verified: 4 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2021-4287 CVE-2022-4510 CVE-2026-7179 Upstream summary: A vulnerability, which was classified as problematic, was found in ReFirm Labs binwalk up to 2.3.2. Affected is an unknown function of the […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read • Source: Microsoft KB5050188 • MSRC update-guide entry Related CVEs: CVE-2025-21176 Affected components: Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]
🟠 High ⏱ 15–60 min Last verified: 4 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2014-9556 CVE-2014-9732 CVE-2015-4467 CVE-2015-4468 CVE-2015-4469 CVE-2015-4470 CVE-2015-4471 CVE-2015-4472 +10 more Upstream summary: Integer overflow in the qtmd_decompress function in libmspack 0.4 allows remote attackers to cause a denial […]
🟢 Low ⏱ 5–15 min Last verified: 4 May 2026 Affected versions: FreeBSD 15 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: seatd-launch — remove files with escalated privileges with SUID Related CVEs: CVE-2021-41387 CVE-2022-25643 Upstream summary: Kenny Levinsen reports: seatd-launch could use a user-specified socket path instead of the internally generated […]
🟡 Medium ⏱ 10–30 min Last verified: 4 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2009-3560 CVE-2009-3720 CVE-2016-9928 CVE-2017-5604 Upstream summary: The big2_toUtf8 function in lib/xmltok.c in libexpat in Expat 2.0.1, as used in the XML-Twig module for Perl, allows context-dependent attackers to […]
🟠 High ⏱ 15–60 min Last verified: 4 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2002-1225 CVE-2002-1226 CVE-2002-1235 CVE-2003-0138 CVE-2004-0371 CVE-2004-0434 CVE-2005-0469 CVE-2005-2040 +12 more Upstream summary: Multiple buffer overflows in Heimdal before 0.5, possibly in both the (1) kadmind and (2) kdc […]
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