Common Problems

Debian 13 — timg — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — timg — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-43151 CVE-2023-40968 Upstream summary: timg v1.4.4 was discovered to contain a memory leak via the function timg::QueryBackgroundColor() at /timg/src/term-query.cc. Table of contents Symptom & Impact Environment & Reproduction […]

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Debian 12 — targetcli-fb — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — targetcli-fb — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-13867 Upstream summary: Open-iSCSI targetcli-fb through 2.1.52 has weak permissions for /etc/target (and for the backup directory and backup files). Table of contents Symptom & Impact Environment & […]

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

Debian 12 — cxxtools — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-7298 Upstream summary: query_params.cpp in cxxtools before 2.2.1 allows remote attackers to cause a denial of service (infinite recursion and crash) via an HTTP query that contains %% […]

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Debian 13 — singular — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — singular — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-40299 Upstream summary: In Singular before 4.3.1, a predictable /tmp pathname is used (e.g., by sdb.cc), which allows local users to gain the privileges of other users via a […]

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Debian 12 — openrazer — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — openrazer — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-23467 CVE-2022-29021 CVE-2022-29022 CVE-2022-29023 CVE-2025-32776 Upstream summary: OpenRazer is an open source driver and user-space daemon to control Razer device lighting and other features on GNU/Linux. Using a […]

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Debian 13 — libconfuse — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libconfuse — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-40320 Upstream summary: cfg_tilde_expand in confuse.c in libConfuse 3.3 has a heap-based buffer over-read. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

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Debian 11 — icoutils — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — icoutils — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-5208 CVE-2017-5331 CVE-2017-5332 CVE-2017-5333 CVE-2017-6009 CVE-2017-6010 CVE-2017-6011 Upstream summary: Integer overflow in the wrestool program in icoutils before 0.31.1 allows remote attackers to cause a denial of service […]

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

Debian 11 — mimedefang — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-14102 Upstream summary: MIMEDefang 2.80 and earlier creates a PID file after dropping privileges to a non-root account, which might allow local users to kill arbitrary processes by […]

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

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

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-8400 CVE-2018-16789 Upstream summary: The HTTPS fallback implementation in Shell In A Box (aka shellinabox) before 2.19 makes it easier for remote attackers to conduct DNS rebinding attacks […]

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

Debian 11 — libblockdev — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2025-6019 Upstream summary: A Local Privilege Escalation (LPE) vulnerability was found in libblockdev. Generally, the "allow_active" setting in Polkit permits a physically present user to take certain actions […]

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