Security Hardening

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

Debian 11 — libmediainfo — multiple vulnerabilities (4 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-2019-11372 CVE-2019-11373 CVE-2020-15395 CVE-2020-26797 Upstream summary: An out-of-bounds read in MediaInfoLib::File__Tags_Helper::Synched_Test in Tag/File__Tags.cpp in MediaInfoLib in MediaArea MediaInfo 18.12 leads to a crash. Table of contents Symptom & […]

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Debian 11 — php-league-commonmark — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — php-league-commonmark — multiple vulnerabilities (3 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-2025-46734 CVE-2026-30838 CVE-2026-33347 Upstream summary: league/commonmark is a PHP Markdown parser. A cross-site scripting (XSS) vulnerability in the Attributes extension of the league/commonmark library (versions 1.5.0 through 2.6.x) […]

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Debian 12 — mistral — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — mistral — multiple vulnerabilities (3 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-2018-16848 CVE-2018-16849 CVE-2019-3866 Upstream summary: A Denial of Service (DoS) condition is possible in OpenStack Mistral in versions up to and including 7.0.3. Submitting a specially crafted workflow […]

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Debian 13 — node-tmp — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — node-tmp — 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-2025-54798 Upstream summary: tmp is a temporary file and directory creator for node.js. In versions 0.2.3 and below, tmp is vulnerable to an arbitrary temporary file / directory write […]

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Debian 11 — runc — multiple vulnerabilities (16 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — runc — multiple vulnerabilities (16 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-3697 CVE-2016-9962 CVE-2019-16884 CVE-2019-19921 CVE-2019-5736 CVE-2021-30465 CVE-2021-43784 CVE-2022-29162  +8 more Upstream summary: libcontainer/user/user.go in runC before 0.1.0, as used in Docker before 1.11.2, improperly treats a numeric UID […]

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Debian 13 — glib-networking — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — glib-networking — multiple vulnerabilities (4 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-2020-13645 CVE-2025-60018 CVE-2025-60019 CVE-2026-2574 Upstream summary: In GNOME glib-networking through 2.64.2, the implementation of GTlsClientConnection skips hostname verification of the server's TLS certificate if the application fails to […]

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

Debian 12 — simpleproxy — 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-2005-1857 Upstream summary: Format string vulnerability in simpleproxy before 3.4 allows remote malicious HTTP proxies to execute arbitrary code via format string specifiers in a reply. Table of […]

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Debian 10 — exo — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — exo — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-32278 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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

Debian 13 — scummvm — 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-2017-17528 Upstream summary: backends/platform/sdl/posix/posix.cpp in ScummVM 1.9.0 does not validate strings before launching the program specified by the BROWSER environment variable, which might allow remote attackers to conduct argument-injection […]

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