IT, Cloud & DevOps Blog

Debian 9 — util-linux — vulnerability — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — util-linux — 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-2018-7738 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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Debian 11 — proxychains-ng — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — proxychains-ng — 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-2025-34451 Upstream summary: rofl0r/proxychains-ng versions up to and including 4.17 and prior to commit cc005b7 contain a stack-based buffer overflow vulnerability in the function proxy_from_string() located in src/libproxychains.c. […]

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Debian 12 — libconvert-uulib-perl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libconvert-uulib-perl — 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-2005-1349 Upstream summary: Buffer overflow in Convert-UUlib (Convert::UUlib) before 1.051 allows remote attackers to execute arbitrary code via a malformed parameter to a read operation. Table of contents […]

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

Debian 11 — mactelnet — 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-2016-7115 Upstream summary: Buffer overflow in the handle_packet function in mactelnet.c in the client in MAC-Telnet 0.4.3 and earlier allows remote TELNET servers to execute arbitrary code via […]

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

Debian 11 — tigervnc — 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-2014-8240 CVE-2014-8241 CVE-2016-10207 CVE-2017-5581 CVE-2017-7392 CVE-2017-7393 CVE-2017-7394 CVE-2017-7395  +8 more Upstream summary: Integer overflow in TigerVNC allows remote VNC servers to cause a denial of service (crash) and […]

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Debian 13 — libapache-authenhook-perl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libapache-authenhook-perl — 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-2010-3845 Upstream summary: libapache-authenhook-perl 2.00-04 stores usernames and passwords in plaintext in the vhost error log. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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

Debian 13 — lldpd — 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-2015-8011 CVE-2015-8012 CVE-2020-27827 CVE-2021-43612 CVE-2023-41910 CVE-2026-46433 Upstream summary: Buffer overflow in the lldp_decode function in daemon/protocols/lldp.c in lldpd before 0.8.0 allows remote attackers to cause a denial of […]

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Debian 12 — mistral — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — mistral — multiple vulnerabilities (3 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-2018-16848 CVE-2018-16849 CVE-2019-3866 Upstream summary: A Denial of Service (DoS) condition is possible in OpenStack Mistral in versions up to and including 7.0.3. Submitting a specially crafted workflow […]

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