IT, Cloud & DevOps Blog

Debian 13 — varnish — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — varnish — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-2936 CVE-2009-4488 CVE-2013-4090 CVE-2013-4484 CVE-2015-8852 CVE-2017-12425 CVE-2017-8807 CVE-2019-15892  +12 more Upstream summary: The Command Line Interface (aka Server CLI or administration interface) in the master process in the […]

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Debian 12 — nagios4 — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — nagios4 — multiple vulnerabilities (6 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-2018-13441 CVE-2018-13457 CVE-2018-13458 CVE-2018-18245 CVE-2020-13977 CVE-2020-35269 Upstream summary: qh_help in Nagios Core version 4.4.1 and earlier is prone to a NULL pointer dereference vulnerability, which allows attacker to […]

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

Debian 11 — zhcon — 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-2005-0072 Upstream summary: zhcon before 0.2 does not drop privileges before reading a user configuration file, which allows local users to read arbitrary files. Table of contents Symptom […]

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Debian 11 — cifs-utils — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — cifs-utils — multiple vulnerabilities (9 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-2011-1678 CVE-2011-2724 CVE-2011-3585 CVE-2012-1586 CVE-2014-2830 CVE-2020-14342 CVE-2021-20208 CVE-2022-27239  +1 more Upstream summary: smbfs in Samba 3.5.8 and earlier attempts to use (1) mount.cifs to append to the /etc/mtab […]

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

Debian 12 — beanstalkd — 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-2010-2060 Upstream summary: The put command functionality in beanstalkd 1.4.5 and earlier allows remote attackers to execute arbitrary Beanstalk commands via the body in a job that is […]

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

Debian 12 — opensysusers — 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-2021-40084 Upstream summary: opensysusers through 0.6 does not safely use eval on files in sysusers.d that may contain shell metacharacters. For example, it allows command execution via a […]

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Debian 13 — libgsf — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libgsf — multiple vulnerabilities (4 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-2006-4514 CVE-2016-9888 CVE-2024-36474 CVE-2024-42415 Upstream summary: Heap-based buffer overflow in the ole_info_read_metabat function in Gnome Structured File library (libgsf) 1.14.0, and other versions before 1.14.2, allows context-dependent attackers […]

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

Debian 11 — timidity — multiple vulnerabilities (3 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-2017-11546 CVE-2017-11547 CVE-2017-11549 Upstream summary: The insert_note_steps function in readmidi.c in TiMidity++ 2.14.0 allows remote attackers to cause a denial of service (divide-by-zero error and application crash) via […]

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Debian 10 — keystone — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — keystone — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-12689 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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