Debian 11

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

Debian 11 — tnftp — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 14 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-1294 CVE-2014-8517 Upstream summary: The mget function in cmds.c for tnftp 20030825 allows remote FTP servers to overwrite arbitrary files via FTP responses containing file names with / […]

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

Debian 11 — acpi-support — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 14 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-0484 CVE-2014-1419 Upstream summary: The Debian acpi-support package before 0.140-5+deb7u3 allows local users to gain privileges via vectors related to the "user's environment." Table of contents Symptom & […]

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

Debian 11 — oar — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 14 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-1235 Upstream summary: The oarsh script in OAR before 2.5.7 allows remote authenticated users of a cluster to obtain sensitive information and possibly gain privileges via vectors related […]

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How to Set Up a Private Docker Registry on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Set Up a Private Docker Registry on Debian 11

Introduction How to Set Up a Private Docker Registry 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 […]

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

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

🟠 High   ⏱ 15–60 min  Last verified: 14 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2000-0992 CVE-2001-1459 CVE-2001-1507 CVE-2002-0639 CVE-2002-0640 CVE-2002-0765 CVE-2003-0190 CVE-2003-0386  +12 more Upstream summary: Directory traversal vulnerability in scp in sshd 1.2.xx allows a remote malicious scp server to overwrite […]

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Common Problems 120649

Debian 11 OpenSSL Version Mismatch Breaks App Startup

🟠 High   ⏱ 5–30 min  Last verified: 13 October 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 — wordpress-shibboleth — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — wordpress-shibboleth — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-14313 Upstream summary: The shibboleth_login_form function in shibboleth.php in the Shibboleth plugin before 1.8 for WordPress is prone to an XSS vulnerability due to improper use of add_query_arg(). […]

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

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

🟠 High   ⏱ 15–60 min  Last verified: 13 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2010-4203 CVE-2010-4489 CVE-2012-0823 CVE-2014-1578 CVE-2015-1258 CVE-2015-4485 CVE-2015-4486 CVE-2015-4506  +12 more Upstream summary: WebM libvpx (aka the VP8 Codec SDK) before 0.9.5, as used in Google Chrome before 7.0.517.44, […]

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

Debian 11 — cron — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 13 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2006-2607 CVE-2017-9525 CVE-2019-9704 CVE-2019-9705 CVE-2019-9706 Upstream summary: do_command.c in Vixie cron (vixie-cron) 4.1 does not check the return code of a setuid call, which might allow local users […]

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How to Set Up Nagios4 on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Set Up Nagios4 on Debian 11

Introduction Debian 11 Bullseye is built around the ethos of stability and free software. Setting up set up nagios4 on debian 11 on Bullseye leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Bullseye freeze. Follow each step carefully and the […]

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