chris

Debian 13 — xshisen — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — xshisen — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 August 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2003-1053 CVE-2005-0117 Upstream summary: Multiple buffer overflows in XShisen allow attackers to execute arbitrary code via a long (1) -KCONV command line option or (2) XSHISENLIB environment variable. […]

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

Debian 13 — libjwt — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 August 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2024-25189 Upstream summary: libjwt 1.15.3 uses strcmp (which is not constant time) to verify authentication, which makes it easier to bypass authentication via a timing side channel. Table of […]

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Debian 13 — libyaml-syck-perl — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libyaml-syck-perl — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 2 August 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2025-11683 CVE-2026-4177 CVE-2026-5089 Upstream summary: YAML::Syck versions before 1.36 for Perl has missing null-terminators which causes out-of-bounds read and potential information disclosure Missing null terminators in token.c leads […]

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How to Set Up NFS Server and Client on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Set Up NFS Server and Client on FreeBSD 15

Introduction Deploying set up nfs server and client on a FreeBSD 15 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the standard base […]

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Ubuntu 16.04 — libxmltok — multiple vulnerabilities (19 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — libxmltok — multiple vulnerabilities (19 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 2 August 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8023-1 Related CVEs: CVE-2026-25210 CVE-2026-24515 CVE-2024-45490 CVE-2024-45491 CVE-2012-1148 CVE-2015-1283 CVE-2016-0718 CVE-2016-4472  +11 more Upstream summary: It was discovered that Expat, contained within the xmltok library, incorrectly handled the initialization of […]

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Debian 13 — libapache-mod-jk — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libapache-mod-jk — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 2 August 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-0774 CVE-2007-1860 CVE-2008-5519 CVE-2014-8111 CVE-2018-11759 CVE-2023-41081 CVE-2024-46544 Upstream summary: Stack-based buffer overflow in the map_uri_to_worker function (native/common/jk_uri_worker_map.c) in mod_jk.so for Apache Tomcat JK Web Server Connector 1.2.19 and […]

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How to Install Prometheus on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Install Prometheus on FreeBSD 15

Introduction How to Install Prometheus on FreeBSD 15 is a core administration task for any FreeBSD 15 server operator. FreeBSD 15 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet filtering, and […]

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SLES 16 — libQt6Svg6 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — libQt6Svg6 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 2 August 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2023:2967-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-32573 Upstream summary: In Qt before 5.15.14, 6.0.x through 6.2.x before 6.2.9, and 6.3.x through 6.5.x before 6.5.1, QtSvg QSvgFont m_unitsPerEm initialization is mishandled. Table […]

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

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

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2026-28356 Upstream summary: multipart is a fast multipart/form-data parser for python. Prior to 1.2.2, 1.3.1 and 1.4.0-dev, the parse_options_header() function in multipart.py uses a regular […]

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SLES 16 — lua53 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — lua53 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 2 August 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2021:254-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-24370 CVE-2020-24371 Upstream summary: ldebug.c in Lua 5.4.0 allows a negation overflow and segmentation fault in getlocal and setlocal, as demonstrated by getlocal(3,2^31). Table of […]

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