Security Hardening

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

Debian 12 — nsd — 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-2009-1755 CVE-2016-6173 CVE-2019-13207 CVE-2020-28935 Upstream summary: Off-by-one error in the packet_read_query_section function in packet.c in nsd 3.2.1, and process_query_section in query.c in nsd 2.3.7, allows remote attackers to […]

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Debian 13 — monit — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — monit — multiple vulnerabilities (9 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-2003-1083 CVE-2003-1084 CVE-2004-1897 CVE-2004-1898 CVE-2004-1899 CVE-2016-7067 CVE-2019-11454 CVE-2019-11455  +1 more Upstream summary: Stack-based buffer overflow in Monit 1.4 to 4.1 allows remote attackers to execute arbitrary code via […]

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Debian 12 — heat — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — heat — multiple vulnerabilities (7 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-2013-6426 CVE-2013-6428 CVE-2014-3801 CVE-2015-5295 CVE-2016-9185 CVE-2023-1625 CVE-2024-7319 Upstream summary: The cloudformation-compatible API in OpenStack Orchestration API (Heat) before Havana 2013.2.1 and Icehouse before icehouse-2 does not properly enforce […]

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Debian 13 — psd-tools — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — psd-tools — 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-2026-27809 Upstream summary: psd-tools is a Python package for working with Adobe Photoshop PSD files. Prior to version 1.12.2, when a PSD file contains malformed RLE-compressed image data (e.g. […]

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

Debian 13 — libguestfs — 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-2011-4127 CVE-2012-2690 CVE-2013-2124 CVE-2013-4419 CVE-2022-2211 Upstream summary: The Linux kernel before 3.2.2 does not properly restrict SG_IO ioctl calls, which allows local users to bypass intended restrictions on […]

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Debian 12 — xdelta3 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — xdelta3 — 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-2014-9765 Upstream summary: Buffer overflow in the main_get_appheader function in xdelta3-main.h in xdelta3 before 3.0.9 allows remote attackers to execute arbitrary code via a crafted input file. Table […]

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

Debian 13 — imwheel — 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-2004-2698 Upstream summary: Race condition in IMWheel 1.0.0pre11 and earlier, when running with the -k option, allows local users to cause a denial of service (IMWheel crash) and […]

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

Debian 11 — ntirpc — 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-2017-8779 Upstream summary: rpcbind through 0.2.4, LIBTIRPC through 1.0.1 and 1.0.2-rc through 1.0.2-rc3, and NTIRPC through 1.4.3 do not consider the maximum RPC data size during memory allocation […]

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

Debian 13 — tinymux — 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-2007-1655 CVE-2007-1958 CVE-2007-1959 Upstream summary: Buffer overflow in the fun_ladd function in funmath.cpp in TinyMUX before 20070126 might allow remote attackers to cause a denial of service (crash) […]

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