Operations

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

Debian 12 — puppetserver — 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-2023-1894 Upstream summary: A Regular Expression Denial of Service (ReDoS) issue was discovered in Puppet Server 7.9.2 certificate validation. An issue related to specifically crafted certificate names significantly […]

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Debian 11 — python-pyo — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — python-pyo — multiple vulnerabilities (2 CVEs) — 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-2021-41498 CVE-2021-41499 Upstream summary: Buffer overflow in ajaxsoundstudio.com Pyo &lt and 1.03 in the Server_jack_init function. which allows attackers to conduct Denial of Service attacks by arbitrary constructing […]

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

Debian 13 — minicom — 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-2017-7467 Upstream summary: A buffer overflow flaw was found in the way minicom before version 2.7.1 handled VT100 escape sequences. A malicious terminal device could potentially use this flaw […]

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

Debian 9 — netty — 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-2019-16869 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 13 — rplay — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — rplay — 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-2025-62672 Upstream summary: rplay through 3.3.2 allows attackers to cause a denial of service (SIGSEGV and daemon crash) or possibly have unspecified other impact. This occurs in memcpy in […]

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Debian 12 — twitter-bootstrap3 — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — twitter-bootstrap3 — 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-2016-10735 CVE-2018-14040 CVE-2018-14042 CVE-2018-20676 CVE-2018-20677 CVE-2019-8331 CVE-2024-6485 CVE-2025-1647 Upstream summary: In Bootstrap 3.x before 3.4.0 and 4.x-beta before 4.0.0-beta.2, XSS is possible in the data-target attribute, a different […]

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Debian 11 — sup — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — sup — multiple vulnerabilities (2 CVEs) — 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-2003-0606 CVE-2004-0451 Upstream summary: sup 1.8 and earlier does not properly create temporary files, which allows local users to overwrite arbitrary files. Table of contents Symptom & Impact […]

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

Debian 12 — civetweb — 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-2020-27304 CVE-2025-55763 CVE-2025-9648 Upstream summary: The CivetWeb web library does not validate uploaded filepaths when running on an OS other than Windows, when using the built-in HTTP form-based […]

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

Debian 12 — pkgconf — 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-2023-24056 Upstream summary: In pkgconf through 1.9.3, variable duplication can cause unbounded string expansion due to incorrect checks in libpkgconf/tuple.c:pkgconf_tuple_parse. For example, a .pc file containing a few […]

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

Debian 12 — fcheck — 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-2006-1753 Upstream summary: A cron job in fcheck before 2.7.59 allows local users to overwrite arbitrary files via a symlink attack on a temporary file. Table of contents […]

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