Common Problems

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

Debian 11 — ltsp — 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-2008-1293 Upstream summary: ldm in Linux Terminal Server Project (LTSP) 0.99 and 2 passes the -ac option to the X server on each LTSP client, which allows remote […]

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

Debian 12 — libspiro — 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-2019-19847 Upstream summary: Libspiro through 20190731 has a stack-based buffer overflow in the spiro_to_bpath0() function in spiro.c. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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

Debian 12 — nheko — 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-2022-39264 Upstream summary: nheko is a desktop client for the Matrix communication application. All versions below 0.10.2 are vulnerable homeservers inserting malicious secrets, which could lead to man-in-the-middle […]

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Debian 13 — squashfs-tools — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — squashfs-tools — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-4024 CVE-2012-4025 CVE-2015-4645 CVE-2015-4646 CVE-2021-40153 CVE-2021-41072 Upstream summary: Stack-based buffer overflow in the get_component function in unsquashfs.c in unsquashfs in Squashfs 4.2 and earlier allows remote attackers to […]

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

Debian 11 — udns — 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-2008-1447 Upstream summary: The DNS protocol, as implemented in (1) BIND 8 and 9 before 9.5.0-P1, 9.4.2-P1, and 9.3.5-P1; (2) Microsoft DNS in Windows 2000 SP4, XP SP2 […]

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Debian 11 — zsh — multiple vulnerabilities (16 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — zsh — multiple vulnerabilities (16 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-6209 CVE-2014-10070 CVE-2014-10071 CVE-2014-10072 CVE-2016-10714 CVE-2017-18205 CVE-2017-18206 CVE-2018-0502  +8 more Upstream summary: Util/difflog.pl in zsh 4.3.4 allows local users to overwrite arbitrary files via a symlink attack on […]

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

Debian 12 — wildmidi — 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-2017-1000418 CVE-2017-11661 CVE-2017-11662 CVE-2017-11663 CVE-2017-11664 Upstream summary: The WildMidi_Open function in WildMIDI since commit d8a466829c67cacbb1700beded25c448d99514e5 allows remote attackers to cause a denial of service (heap-based buffer overflow and […]

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

Debian 13 — bristol — vulnerability — 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-2010-3351 Upstream summary: startBristol in Bristol 0.60.5 places a zero-length directory name in the LD_LIBRARY_PATH, which allows local users to gain privileges via a Trojan horse shared library […]

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Debian 12 — python-bcrypt — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — python-bcrypt — 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-2013-1895 Upstream summary: The py-bcrypt module before 0.3 for Python does not properly handle concurrent memory access, which allows attackers to bypass authentication via multiple authentication requests, which […]

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Debian 9 — mpv — vulnerability — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — mpv — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-6360 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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