Debian

Common Problems 120134

Debian 12 Hostname Resolution Warning sudo unable to resolve host

🟢 Low   ⏱ 5–30 min  Last verified: 1 January 2024 Affected versions: Debian 12 📖 ~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 12 — dnsmasq — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — dnsmasq — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 1 January 2024 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-0876 CVE-2005-0877 CVE-2006-2017 CVE-2008-1447 CVE-2008-3214 CVE-2008-3350 CVE-2009-2957 CVE-2009-2958  +12 more Upstream summary: Off-by-one buffer overflow in Dnsmasq before 2.21 may allow attackers to execute arbitrary code via the […]

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Debian 12 — lftp — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — lftp — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 1 January 2024 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2003-0963 CVE-2007-2348 CVE-2010-2251 CVE-2018-10916 Upstream summary: Buffer overflows in (1) try_netscape_proxy and (2) try_squid_eplf for lftp 2.6.9 and earlier allow remote HTTP servers to execute arbitrary code via […]

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Debian 12 — minicom — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — minicom — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 January 2024 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-7467 Upstream summary: A buffer overflow flaw was found in the way minicom before version 2.7.1 handled VT100 escape sequences. A malicious terminal device could potentially use this […]

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Debian 12 — checkstyle — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — checkstyle — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 31 December 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-10782 CVE-2019-9658 Upstream summary: All versions of com.puppycrawl.tools:checkstyle before 8.29 are vulnerable to XML External Entity (XXE) Injection due to an incomplete fix for CVE-2019-9658. Table of contents […]

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Debian 12 — apache-directory-api — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — apache-directory-api — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 31 December 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-3250 Upstream summary: Apache Directory LDAP API before 1.0.0-M31 allows attackers to conduct timing attacks via unspecified vectors. Table of contents Symptom & Impact Environment & Reproduction Root […]

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Debian 12 — swaylock — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — swaylock — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 31 December 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-26530 Upstream summary: swaylock before 1.6 allows attackers to trigger a crash and achieve unlocked access to a Wayland compositor. Table of contents Symptom & Impact Environment & […]

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Debian 12 — netplan.io — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — netplan.io — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 30 December 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-4968 Upstream summary: netplan leaks the private key of wireguard to local users. Versions after 1.0 are not affected. Table of contents Symptom & Impact Environment & Reproduction […]

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Debian 12 — frr — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — frr — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 30 December 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-12831 CVE-2022-26125 CVE-2022-26126 CVE-2022-26127 CVE-2022-26128 CVE-2022-26129 CVE-2022-36440 CVE-2022-37032  +12 more Upstream summary: An issue was discovered in FRRouting FRR (aka Free Range Routing) through 7.3.1. When using the […]

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