IT, Cloud & DevOps Blog

Debian 13 — osslsigncode — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — osslsigncode — multiple vulnerabilities (5 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-2023-36377 CVE-2025-70888 CVE-2026-39853 CVE-2026-39855 CVE-2026-39856 Upstream summary: Buffer Overflow vulnerability in mtrojnar osslsigncode v.2.3 and before allows a local attacker to execute arbitrary code via a crafted .exe, […]

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Debian 12 — node-ansi-up — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — node-ansi-up — 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-2021-3377 Upstream summary: The npm package ansi_up converts ANSI escape codes into HTML. In ansi_up v4, ANSI escape codes can be used to create HTML hyperlinks. Due to […]

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

Debian 11 — node-send — 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-2014-6394 CVE-2015-8859 CVE-2024-43799 Upstream summary: visionmedia send before 0.8.4 for Node.js uses a partial comparison for verifying whether a directory is within the document root, which allows remote […]

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Debian 11 — mqtt-client — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — mqtt-client — 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-2019-0222 Upstream summary: In Apache ActiveMQ 5.0.0 – 5.15.8, unmarshalling corrupt MQTT frame can lead to broker Out of Memory exception making it unresponsive. Table of contents Symptom […]

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

Debian 12 — incron — 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-2009-3589 Upstream summary: incron 0.5.5 does not initialize supplementary groups when running a process from a user's incrontabs, which causes the process to be run with the incrond […]

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

Debian 11 — nd — 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-2004-0014 Upstream summary: Multiple buffer overflows in the nd WebDAV interface 0.8.2 and earlier allows remote web servers to execute arbitrary code via certain long strings. Table of […]

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Debian 13 — python-djangorestframework-simplejwt — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — python-djangorestframework-simplejwt — 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-2024-22513 Upstream summary: djangorestframework-simplejwt version 5.3.1 and before is vulnerable to information disclosure. A user can access web application resources even after their account has been disabled due to […]

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

Debian 13 — nacl — 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-2015-0565 Upstream summary: NaCl in 2015 allowed the CLFLUSH instruction, making rowhammer attacks possible. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

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Debian 11 — apache-log4j2 — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — apache-log4j2 — multiple vulnerabilities (10 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-2017-5645 CVE-2020-9488 CVE-2021-44228 CVE-2021-44832 CVE-2021-45046 CVE-2021-45105 CVE-2025-68161 CVE-2026-34479  +2 more Upstream summary: In Apache Log4j 2.x before 2.8.2, when using the TCP socket server or UDP socket server […]

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