Security Hardening

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

Debian 13 — sccache — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 February 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-1521 Upstream summary: On Linux the sccache client can execute arbitrary code with the privileges of a local sccache server, by preloading the code in a shared library passed […]

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

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

🟢 Low   ⏱ 5–15 min  Last verified: 19 February 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2006-5443 CVE-2008-4986 Upstream summary: Unspecified vulnerability in XIAO Gang WWW Interactive Mathematics Server (WIMS) before 3.60 allows remote attackers to modify unspecified data via unspecified vectors involving "variable […]

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

Debian 13 — gource — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 February 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2010-2449 Upstream summary: Gource through 0.26 logs to a predictable file name (/tmp/gource-$UID.tmp), enabling attackers to overwrite an arbitrary file via a symlink attack. Table of contents Symptom […]

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AlmaLinux 8 — php-pecl-xdebug — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — php-pecl-xdebug — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:2470 Related CVEs: CVE-2024-11233 CVE-2024-11234 CVE-2024-8929 CVE-2025-1217 CVE-2025-1219 CVE-2025-1220 CVE-2025-14177 CVE-2025-14178  +12 more Upstream summary: PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Server. Security Fix(es): * php: […]

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

Debian 13 — elvish — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 February 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-41088 Upstream summary: Elvish is a programming language and interactive shell, combined into one package. In versions prior to 0.14.0 Elvish's web UI backend (started by `elvish -web`) hosts […]

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Amazon Linux 2023 — xorg-x11-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — xorg-x11-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2026-1614 Related CVEs: CVE-2026-33999 CVE-2026-34000 CVE-2026-34001 CVE-2026-34002 CVE-2026-34003 CVE-2025-62229 CVE-2025-62230 CVE-2025-62231  +12 more Upstream summary: XKB Integer Underflow in XkbSetCompatMap() (CVE-2026-33999) XKB Out-of-bounds Read in CheckSetGeom() (CVE-2026-34000) XSYNC Use-after-free in […]

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Debian 11 — libnet-cidr-lite-perl — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libnet-cidr-lite-perl — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 19 February 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-47154 CVE-2026-40198 CVE-2026-40199 CVE-2026-45190 CVE-2026-45191 Upstream summary: The Net::CIDR::Lite module before 0.22 for Perl does not properly consider extraneous zero characters at the beginning of an IP address […]

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

Debian 13 — python-werkzeug — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 19 February 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-10516 CVE-2019-14806 CVE-2020-28724 CVE-2023-23934 CVE-2023-25577 CVE-2023-46136 CVE-2024-34069 CVE-2024-49767 Upstream summary: Cross-site scripting (XSS) vulnerability in the render_full function in debug/tbtools.py in the debugger in Pallets Werkzeug before 0.11.11 […]

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Debian 12 — znuny — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — znuny — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 19 February 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-4427 CVE-2023-38060 CVE-2024-32491 CVE-2024-32493 CVE-2024-48937 CVE-2024-48938 CVE-2025-26842 CVE-2025-26844  +7 more Upstream summary: Improper Input Validation vulnerability in OTRS AG OTRS, OTRS AG ((OTRS)) Community Edition allows SQL Injection […]

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Ubuntu 18.04 — openssl1.0 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — openssl1.0 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 19 February 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8155-2 Related CVEs: CVE-2026-28388 CVE-2026-28389 CVE-2026-28390 CVE-2026-28387 CVE-2025-68160 CVE-2025-69420 CVE-2026-22796 CVE-2025-69421  +12 more Upstream summary: USN-8155-1 fixed vulnerabilities in OpenSSL. This update provides the corresponding updates for CVE-2026-28387 for openssl […]

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