Debian 11

Debian 11 — vsftpd — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — vsftpd — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 4 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-0042 CVE-2004-2259 CVE-2011-0762 CVE-2011-2189 CVE-2015-1419 CVE-2021-3618 Upstream summary: vsftpd 1.1.3 generates different error messages depending on whether or not a valid username exists, which allows remote attackers to […]

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Debian 11 — radsecproxy — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — radsecproxy — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 4 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-4523 CVE-2012-4566 CVE-2021-32642 Upstream summary: radsecproxy before 1.6.1 does not properly verify certificates when there are configuration blocks with CA settings that are unrelated to the block being […]

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

Debian 11 — patchelf — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 4 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-44940 Upstream summary: Patchelf v0.9 was discovered to contain an out-of-bounds read via the function modifyRPath at src/patchelf.cc. Table of contents Symptom & Impact Environment & Reproduction Root […]

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Debian 11 — libtorrent-rasterbar — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libtorrent-rasterbar — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 4 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-1760 CVE-2015-5685 CVE-2016-5301 CVE-2016-7164 CVE-2017-9847 Upstream summary: Directory traversal vulnerability in src/torrent_info.cpp in Rasterbar libtorrent before 0.14.4, as used in firetorrent, qBittorrent, deluge Torrent, and other applications, allows […]

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How to Configure DNSSEC Validation on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Configure DNSSEC Validation on Debian 11

Introduction How to Configure DNSSEC Validation on Debian 11 is a fundamental operation for any administrator maintaining a Debian 11 Bullseye server. Debian 11 Bullseye 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 11. This […]

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Debian 11 — kio-extras — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — kio-extras — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-19120 CVE-2020-12755 Upstream summary: The HTML thumbnailer plugin in KDE Applications before 18.12.0 allows attackers to trigger outbound TCP connections to arbitrary IP addresses, leading to disclosure of […]

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

Debian 11 — libgdata — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-1177 Upstream summary: libgdata before 0.10.2 and 0.11.x before 0.11.1 does not validate SSL certificates, which allows remote attackers to obtain user names and passwords via a man-in-the-middle […]

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Common Problems 120542

Debian 11: /var fills up due to systemd journal growth

🟠 High   ⏱ 5–30 min  Last verified: 2 May 2022 Affected versions: Debian 11 📖 ~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 & Hardening Related Errors & […]

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

Debian 11 — zangband — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-40589 Upstream summary: ZAngband zangband-data 2.7.5 is affected by an integer underflow vulnerability in src/tk/plat.c through the variable fileheader.bfOffBits. Table of contents Symptom & Impact Environment & Reproduction […]

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