Security Hardening

How to Install Perl and CPAN Modules on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install Perl and CPAN Modules on Debian 9

Introduction How to Install Perl and CPAN Modules on Debian 9 is a fundamental operation for any administrator maintaining a Debian 9 Stretch server. Debian 9 Stretch ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian […]

Read more
FreeBSD 12 — gd — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — gd — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 2 July 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libgd — integer overflow which could lead to heap buffer overflow Related CVEs: CVE-2004-0990 CVE-2007-3472 CVE-2007-3473 CVE-2007-3474 CVE-2007-3475 CVE-2007-3476 CVE-2007-3477 CVE-2007-3478  +5 more Upstream summary: LibGD reports: An integer overflow […]

Read more
FreeBSD 12 — cyrus-imspd — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — cyrus-imspd — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 July 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Cyrus IMSPd multiple vulnerabilities Upstream summary: The Cyrus team reported multiple vulnerabilities in older versions of Cyrus IMSPd: These releases correct a recently discovered buffer overflow vulnerability, as well as […]

Read more
openSUSE Tumbleweed — k3s — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — k3s — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2019-1002101 CVE-2019-9946 Upstream summary: The kubectl cp command allows copying files between containers and the user machine. To copy files from a container, Kubernetes creates […]

Read more
FreeBSD 12 — syslog-ng — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — syslog-ng — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 July 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: syslog-ng2 — startup directory leakage in the chroot environment Related CVEs: CVE-2008-5110 Upstream summary: Florian Grandel reports: I have not had the time to analyze all of syslog-ng code. But […]

Read more
openSUSE Tumbleweed — npm4 — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — npm4 — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2016:2496-1 (see also SUSE bugzilla) Related CVEs: CVE-2016-7052 CVE-2016-7099 CVE-2016-1669 CVE-2016-2178 CVE-2016-5180 CVE-2016-5325 CVE-2016-6304 CVE-2016-6306 Upstream summary: crypto/x509/x509_vfy.c in OpenSSL 1.0.2i allows remote attackers to cause a denial of service (NULL pointer […]

Read more
Ubuntu 14.04 — transmission — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — transmission — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 July 2019 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-3533-1 Related CVEs: CVE-2018-5702 CVE-2014-4909 Upstream summary: It was discovered that Transmission incorrectly handled certain POST requests to the RPC server and allowed DNS rebinding attack. An attacker could possibly […]

Read more
FreeBSD 12 — nagios-devel — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — nagios-devel — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 July 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: nagios — Command Injection Vulnerability Related CVEs: CVE-2007-5803 CVE-2009-2288 Upstream summary: Secunia reports: A vulnerability has been reported in Nagios, which can be exploited by malicious users to potentially compromise […]

Read more
FreeBSD 12 — tor — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — tor — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 1 July 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: security/tor — SOCKS4(a) inversion bug Related CVEs: CVE-2005-2643 CVE-2006-0414 CVE-2009-0414 CVE-2009-0936 CVE-2009-0937 CVE-2009-0938 CVE-2010-1676 CVE-2011-0427  +3 more Upstream summary: The Tor Project reports: TROVE-2022-002: The SafeSocks option for SOCKS4(a) is […]

Read more
FreeBSD 12 — plans — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — plans — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 July 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: plans — multiple vulnerabilities Upstream summary: Secunia reports: A vulnerability has been reported in Plans, which can be exploited by malicious people to conduct SQL injection attacks. Input passed to […]

Read more
CHAT