Debian

Common Problems 121634

Debian 9 – ext4 filesystem remounts read-only after I/O errors

🔴 Critical   ⏱ 5–30 min  Last verified: 8 February 2022 Affected versions: Debian 9 📖 ~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 — ruby-faye — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — ruby-faye — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-11020 CVE-2020-15134 Upstream summary: Faye (NPM, RubyGem) versions greater than 0.5.0 and before 1.0.4, 1.1.3 and 1.2.5, has the potential for authentication bypass in the extension system. The […]

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

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

🟢 Low   ⏱ 5–15 min  Last verified: 8 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-8872 CVE-2016-4804 Upstream summary: The set_fat function in fat.c in dosfstools before 4.0 might allow attackers to corrupt a FAT12 filesystem or cause a denial of service (invalid […]

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Debian 11 — postgresql-plsh — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — postgresql-plsh — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-0061 Upstream summary: The validator functions for the procedural languages (PLs) in PostgreSQL before 8.4.20, 9.0.x before 9.0.16, 9.1.x before 9.1.12, 9.2.x before 9.2.7, and 9.3.x before 9.3.3 […]

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Debian 11 — libdbi-perl — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libdbi-perl — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 7 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-0077 CVE-2013-7490 CVE-2013-7491 CVE-2014-10401 CVE-2014-10402 CVE-2019-20919 CVE-2020-14392 CVE-2020-14393 Upstream summary: The DBI library (libdbi-perl) for Perl allows local users to overwrite arbitrary files via a symlink attack on […]

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

Debian 11 — freesweep — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2003-0828 Upstream summary: Buffer overflow in freesweep in Debian GNU/Linux 3.0 allows local users to gain "games" group privileges when processing environment variables. Table of contents Symptom & […]

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Debian 11 — gnome-session — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — gnome-session — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-11171 Upstream summary: Bad reference counting in the context of accept_ice_connection() in gsm-xsmp-server.c in old versions of gnome-session up until version 2.29.92 allows a local attacker to establish […]

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

Debian 11 — whohas — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-4258 Upstream summary: A vulnerability was found in whohas. It has been rated as problematic. This issue affects some unknown processing of the component Package Information Handler. The […]

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Debian 11 — node-bl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — node-bl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-8244 Upstream summary: A buffer over-read vulnerability exists in bl <4.0.3, <3.0.1, <2.2.1, and <1.2.3 which could allow an attacker to supply user input (even typed) that if […]

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

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

🟡 Medium   ⏱ 10–30 min  Last verified: 6 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-15612 CVE-2017-16876 CVE-2022-34749 Upstream summary: mistune.py in Mistune 0.7.4 allows XSS via an unexpected newline (such as in java\nscript:) or a crafted email address, related to the escape […]

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