Logging Monitoring

Debian 10 — libreswan — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — libreswan — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 February 2020 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-1763 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

Read more
Gentoo Linux — sys-devel/gdb — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — sys-devel/gdb — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202003-31 Related CVEs: CVE-2019-1010180 Upstream summary: It was discovered that gdb didn’t properly validate the ELF section sizes from input file. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

Read more
Ubuntu 18.04 — brotli — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — brotli — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 February 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4568-1 Related CVEs: CVE-2020-8927 Upstream summary: It was discovered that Brotli incorrectly handled certain inputs. An attacker could possibly use this issue to cause a crash. Table of contents Symptom […]

Read more
SLES 12 — python-cryptography — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — python-cryptography — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 13 February 2020 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2021:197-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-36242 CVE-2020-25659 Upstream summary: In the cryptography package before 3.3.2 for Python, certain sequences of update calls to symmetrically encrypt multi-GB values could result in […]

Read more
Common Problems 118496

Ubuntu 16.04 LTS – /var reaches 100 percent and services fail

🟠 High   ⏱ 5–30 min  Last verified: 12 February 2020 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 […]

Read more
openSUSE Tumbleweed — libdmx1 — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libdmx1 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2013:1103-1 (see also SUSE bugzilla) Related CVEs: CVE-2013-1992 Upstream summary: Multiple integer overflows in X.org libdmx 1.1.2 and earlier allow X servers to trigger allocation of insufficient memory and a buffer overflow […]

Read more
FreeBSD 12 — py310-twisted — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py310-twisted — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 12 February 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-twisted — cookie and authorization headers are leaked when following cross-origin redirects Upstream summary: Twisted developers report: Cookie and Authorization headers are leaked when following cross-origin redirects in twited.web.client.RedirectAgent and […]

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

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

🟢 Low   ⏱ 5–15 min  Last verified: 12 February 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: sudosh — buffer overflow Upstream summary: ISS reports: sudosh2 and sudosh3 are vulnerable to a stack-based buffer overflow, caused by improper bounds checking by the replay() function. By persuading a […]

Read more
How to Set Up a PPTP VPN Server on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Set Up a PPTP VPN Server on Debian 10

Introduction Debian 10 Buster is built around the ethos of stability and free software. Setting up set up a pptp vpn server on debian 10 on Buster leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Buster freeze. Follow each step […]

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

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

🟢 Low   ⏱ 5–15 min  Last verified: 12 February 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: kronolith — arbitrary local file inclusion vulnerability Upstream summary: iDefense Labs reports: Remote exploitation of a design error in Horde's Kronolith could allow an authenticated web mail user to execute […]

Read more
CHAT