IT, Cloud & DevOps Blog

Debian 12 — mailutils — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — mailutils — multiple vulnerabilities (8 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-2004-0984 CVE-2005-1520 CVE-2005-1521 CVE-2005-1522 CVE-2005-1523 CVE-2005-1824 CVE-2005-2878 CVE-2019-18862 Upstream summary: Unknown vulnerability in the dotlock implementation in mailutils before 1:0.5-4 on Debian GNU/Linux allows attackers to gain privileges. […]

Read more
Debian 9 — php-imagick — vulnerability — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — php-imagick — 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-2019-11037 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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

Debian 13 — audit — 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-2008-1628 CVE-2015-5186 Upstream summary: Stack-based buffer overflow in the audit_log_user_command function in lib/audit_logging.c in Linux Audit before 1.7 might allow remote attackers to execute arbitrary code via a […]

Read more
Debian 13 — gifsicle — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — gifsicle — 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-2017-1000421 CVE-2017-18120 CVE-2020-19752 CVE-2023-36193 CVE-2023-44821 CVE-2023-46009 Upstream summary: Gifsicle gifview 1.89 and older is vulnerable to a use-after-free in the read_gif function resulting potential code execution Table of […]

Read more
Debian 11 — icinga2 — multiple vulnerabilities (16 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — icinga2 — 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-2017-16933 CVE-2018-6532 CVE-2018-6533 CVE-2018-6534 CVE-2018-6535 CVE-2018-6536 CVE-2020-14004 CVE-2020-29663  +8 more Upstream summary: etc/initsystem/prepare-dirs in Icinga 2.x through 2.8.1 has a chown call for a filename in a user-writable […]

Read more
Debian 13 — loggerhead — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — loggerhead — 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-2011-0728 Upstream summary: Cross-site scripting (XSS) vulnerability in templatefunctions.py in Loggerhead before 1.18.1 allows remote authenticated users to inject arbitrary web script or HTML via a filename, which […]

Read more
Debian 11 — pycsw — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — pycsw — 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-2016-8640 Upstream summary: A SQL injection vulnerability in pycsw all versions before 2.0.2, 1.10.5 and 1.8.6 that leads to read and extract of any data from any table […]

Read more
Debian 12 — apt-setup — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — apt-setup — 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-2005-2214 Upstream summary: apt-setup in Debian GNU/Linux installs the apt.conf file with insecure permissions, which allows local users to obtain sensitive information such as passwords. Table of contents […]

Read more
Debian 11 — python-apt — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — python-apt — multiple vulnerabilities (4 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-2019-15795 CVE-2019-15796 CVE-2020-27351 CVE-2025-6966 Upstream summary: python-apt only checks the MD5 sums of downloaded files in `Version.fetch_binary()` and `Version.fetch_source()` of apt/package.py in version 1.9.0ubuntu1 and earlier. This allows […]

Read more
CHAT