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FreeBSD 15 — fcgi — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — fcgi — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 February 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: fcgi — Heap-based buffer overflow via crafted nameLen/valueLen in ReadParams Related CVEs: CVE-2025-23016 Upstream summary: [email protected] reports: FastCGI fcgi2 (aka fcgi) 2.x through 2.4.4 has an integer overflow (and resultant […]

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FreeBSD 15 — hashcash — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — hashcash — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 February 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: hashcash — heap overflow vulnerability Related CVEs: CVE-2005-0687 Upstream summary: Andreas Seltenreich reports that hashcash is prone to a heap overflow vulnerability. This vulnerability is caused by improper checking of […]

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NetBSD 9.4 — re2c — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — re2c — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2020-11958 CVE-2018-21232 CVE-2022-23901 CVE-2026-2903 Upstream summary: pkgsrc audit-packages flagged re2c>=1.2<2.0 for vulnerability class 'heap-overflow'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2020-11958 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick […]

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Debian 13 — ngtcp2 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — ngtcp2 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 February 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2026-40170 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria […]

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Debian 13 — golang-github-cli-go-gh-v2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — golang-github-cli-go-gh-v2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 February 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2024-53859 CVE-2025-48938 Upstream summary: go-gh is a Go module for interacting with the `gh` utility and the GitHub API from the command line. A security vulnerability has been […]

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FreeBSD 15 — electrum-py — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — electrum-py — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 February 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: electrum — JSONRPC vulnerability Related CVEs: CVE-2018-6353 Upstream summary: MITRE reports: JSONRPC vulnerability Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution […]

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NetBSD 9.4 — py-werkzeug — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — py-werkzeug — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2016-10516 CVE-2020-28724 CVE-2023-23934 CVE-2026-21860 CVE-2026-27199 CVE-2023-25577 Upstream summary: pkgsrc audit-packages flagged py{27,33,34,35,36}-werkzeug<0.11.1 for vulnerability class 'cross-site-scripting'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2016-10516 Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Debian 13 — libspreadsheet-parsexlsx-perl — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libspreadsheet-parsexlsx-perl — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 February 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2024-22368 CVE-2024-23525 Upstream summary: The Spreadsheet::ParseXLSX package before 0.28 for Perl can encounter an out-of-memory condition during parsing of a crafted XLSX document. This occurs because the memoize […]

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FreeBSD 15 — openafs — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — openafs — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 22 February 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: openafs — multiple vulnerabilities Related CVEs: CVE-2013-1794 CVE-2013-4134 CVE-2014-0159 CVE-2015-7762 CVE-2015-7763 CVE-2015-8312 CVE-2016-2860 CVE-2016-4536 Upstream summary: The OpenAFS development team reports: Foreign users can bypass access controls to create groups […]

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

Debian 11 — hugo — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 22 February 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-26284 CVE-2026-35166 CVE-2026-44301 Upstream summary: Hugo is a fast and Flexible Static Site Generator built in Go. Hugo depends on Go's `os/exec` for certain features, e.g. for rendering […]

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