Package Management

Debian 11 — grml-debootstrap — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — grml-debootstrap — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-1378 Upstream summary: cmdlineopts.clp in grml-debootstrap in Debian 0.54, 0.68.x before 0.68.1, 0.7x before 0.78 is sourced without checking that the local directory is writable by non-root users. […]

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Gentoo Linux — net-misc/stunnel — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — net-misc/stunnel — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202105-02 Related CVEs: CVE-2021-20230 Upstream summary: It was discovered that stunnel did not correctly verified the client certificate when options “redirect” and “verifyChain” are used. Table of contents Symptom & Impact Environment […]

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Debian 11 — rope — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — rope — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-3539 Upstream summary: base/oi/doa.py in the Rope library in CPython (aka Python) allows remote attackers to execute arbitrary code by leveraging an unsafe call to pickle.load. Table of […]

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How to Configure Apache2 MPM Worker on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Configure Apache2 MPM Worker on Debian 11

Introduction This guide explains how to Configure Apache2 MPM Worker on Debian 11 on Debian 11 Bullseye. Debian Bullseye uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 11 install with the […]

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Debian 11 — libpam-ldap — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libpam-ldap — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 27 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2003-0734 CVE-2005-2069 CVE-2005-2641 CVE-2006-5170 Upstream summary: Unknown vulnerability in the pam_filter mechanism in pam_ldap before version 162, when LDAP based authentication is being used, allows users to bypass […]

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Debian 11 — libsndfile — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libsndfile — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 27 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-4974 CVE-2009-0186 CVE-2009-1788 CVE-2009-1791 CVE-2009-4835 CVE-2011-2696 CVE-2014-9496 CVE-2014-9756  +12 more Upstream summary: Heap-based buffer overflow in the flac_buffer_copy function in libsndfile 1.0.17 and earlier might allow remote attackers […]

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Debian 11 — freeradius — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — freeradius — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 27 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2003-0967 CVE-2003-0968 CVE-2004-0938 CVE-2004-0960 CVE-2004-0961 CVE-2005-1454 CVE-2005-1455 CVE-2005-4744  +12 more Upstream summary: rad_decode in FreeRADIUS 0.9.2 and earlier allows remote attackers to cause a denial of service (crash) […]

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Ubuntu 20.04 — gzip — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — gzip — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 May 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5378-1 Related CVEs: CVE-2022-1271 Upstream summary: Cleemy Desu Wayo discovered that Gzip incorrectly handled certain filenames. If a user or automated system were tricked into performing zgrep operations with specially […]

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openSUSE Tumbleweed — python36-pikepdf — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python36-pikepdf — 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-2021-29421 Upstream summary: models/metadata.py in the pikepdf package 1.3.0 through 2.9.2 for Python allows XXE when parsing XMP metadata entries. Table of contents Symptom & […]

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