Security Hardening

Debian 11 — tinc — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — tinc — multiple vulnerabilities (6 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-2001-1505 CVE-2002-1755 CVE-2013-1428 CVE-2018-16737 CVE-2018-16738 CVE-2018-16758 Upstream summary: tinc 1.0pre3 and 1.0pre4 allows remote attackers to inject data into user sessions by sniffing and replaying packets. Table of […]

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

Debian 13 — xine-ui — 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-2004-0372 CVE-2004-1951 CVE-2006-1905 CVE-2006-2230 CVE-2007-0254 Upstream summary: xine allows local users to overwrite arbitrary files via a symlink attack on a bug report email that is generated by […]

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Debian 12 — netcdf-parallel — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — netcdf-parallel — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-20005 CVE-2019-20006 CVE-2019-20007 CVE-2019-20198 CVE-2019-20199 CVE-2019-20200 CVE-2019-20201 CVE-2019-20202  +12 more Upstream summary: An issue was discovered in ezXML 0.8.3 through 0.8.6. The function ezxml_decode, while parsing a crafted […]

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

Debian 11 — bcel — 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-2022-34169 CVE-2022-42920 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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

Debian 13 — javamail — 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-2025-7962 Upstream summary: In Jakarta Mail 2.0.2 it is possible to preform a SMTP Injection by utilizing the r and n UTF-8 characters to separate different messages. Table of contents […]

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

Debian 12 — netperf — 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-2007-1444 Upstream summary: netserver in netperf 2.4.3 allows local users to overwrite arbitrary files via a symlink attack on /tmp/netperf.debug. Table of contents Symptom & Impact Environment & […]

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Debian 13 — alsaplayer — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — alsaplayer — multiple vulnerabilities (3 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-2002-1896 CVE-2006-4089 CVE-2007-5301 Upstream summary: Buffer overflow in Alsaplayer 0.99.71, when installed setuid root, allows local users to execute arbitrary code via a long (1) -f or (2) […]

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Debian 12 — golang-github-go-git-go-git — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — golang-github-go-git-go-git — 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-2023-49568 CVE-2023-49569 CVE-2025-21613 CVE-2025-21614 CVE-2026-25934 CVE-2026-33762 CVE-2026-34165 CVE-2026-41506 Upstream summary: A denial of service (DoS) vulnerability was discovered in go-git versions prior to v5.11. This vulnerability allows an […]

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Debian 12 — lftp — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — lftp — multiple vulnerabilities (4 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-2003-0963 CVE-2007-2348 CVE-2010-2251 CVE-2018-10916 Upstream summary: Buffer overflows in (1) try_netscape_proxy and (2) try_squid_eplf for lftp 2.6.9 and earlier allow remote HTTP servers to execute arbitrary code via […]

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Debian 11 — python-geopandas — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — python-geopandas — 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-2025-69662 Upstream summary: SQL injection vulnerability in geopandas before v.1.1.2 allows an attacker to obtain sensitive information via the to_postgis()` function being used to write GeoDataFrames to a […]

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