Security Hardening

Debian 13 — lxd — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — lxd — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 16 December 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2024-6156 CVE-2025-54286 CVE-2025-54287 CVE-2025-54288 CVE-2025-54289 CVE-2025-54290 CVE-2025-54291 CVE-2025-54293  +12 more Upstream summary: Mark Laing discovered that LXD's PKI mode, until version 5.21.2, could be bypassed if the client's […]

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Debian 13 — falcosecurity-libs — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — falcosecurity-libs — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 December 2025 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-49287 Upstream summary: TinyDir is a lightweight C directory and file reader. Buffer overflows in the `tinydir_file_open()` function. This vulnerability has been patched in version 1.2.6. Table of contents […]

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AlmaLinux 8 — python3.11-setuptools — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — python3.11-setuptools — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2024:5532 Related CVEs: CVE-2024-6345 CVE-2025-47273 Upstream summary: Setuptools is a collection of enhancements to the Python 3 distutils that allow you to more easily build and distribute Python 3 packages, especially ones […]

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Debian 13 — ipmitool — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — ipmitool — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 December 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2011-4339 CVE-2020-5208 Upstream summary: ipmievd (aka the IPMI event daemon) in OpenIPMI, as used in the ipmitool package 1.8.11 in Red Hat Enterprise Linux (RHEL) 6, Debian GNU/Linux, […]

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Debian 11 — aide — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — aide — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 16 December 2025 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-2096 CVE-2021-45417 CVE-2025-54389 CVE-2025-54409 Upstream summary: zlib 1.2 and later versions allows remote attackers to cause a denial of service (crash) via a crafted compressed stream with an […]

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Debian 13 — faac — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — faac — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 16 December 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-9129 CVE-2017-9130 CVE-2018-19886 CVE-2018-19887 CVE-2018-19888 CVE-2018-19889 CVE-2018-19890 CVE-2018-19891 Upstream summary: The wav_open_read function in frontend/input.c in Freeware Advanced Audio Coder (FAAC) 1.28 allows remote attackers to cause a […]

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Debian 13 — python-rtslib-fb — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — python-rtslib-fb — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 December 2025 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-14019 Upstream summary: Open-iSCSI rtslib-fb through 2.1.72 has weak permissions for /etc/target/saveconfig.json because shutil.copyfile (instead of shutil.copy) is used, and thus permissions are not preserved. Table of contents Symptom […]

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SLES 16 — python313-hpack — vulnerability — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — python313-hpack — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 16 December 2025 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE security advisory Related CVEs: CVE-2016-6581 Upstream summary: A HTTP/2 implementation built using any version of the Python HPACK library between v1.0.0 and v2.2.0 could be targeted for a denial of service attack, specifically […]

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SLES 16 — xalan-j2 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — xalan-j2 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 16 December 2025 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2014:0870-1 (see also SUSE bugzilla) Related CVEs: CVE-2014-0107 Upstream summary: The TransformerFactory in Apache Xalan-Java before 2.7.2 does not properly restrict access to certain properties when FEATURE_SECURE_PROCESSING is enabled, which allows remote […]

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