IT, Cloud & DevOps Blog

Debian 11 — node-markdown-it — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — node-markdown-it — 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-2022-21670 CVE-2025-7969 Upstream summary: markdown-it is a Markdown parser. Prior to version 1.3.2, special patterns with length greater than 50 thousand characterss could slow down the parser significantly. […]

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Debian 12 — crispy-doom — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — crispy-doom — 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-2020-14983 Upstream summary: The server in Chocolate Doom 3.0.0 and Crispy Doom 5.8.0 doesn't validate the user-controlled num_players value, leading to a buffer overflow. A malicious user can […]

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

Debian 12 — openfortivpn — 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-2020-7041 CVE-2020-7042 CVE-2020-7043 Upstream summary: An issue was discovered in openfortivpn 1.11.0 when used with OpenSSL 1.0.2 or later. tunnel.c mishandles certificate validation because an X509_check_host negative error […]

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

Debian 12 — xsp — 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-2006-2658 Upstream summary: Directory traversal vulnerability in the xsp component in mod_mono in Mono/C# web server, as used in SUSE Open-Enterprise-Server 1 and SUSE Linux 9.2 through 10.0, […]

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Debian 13 — libhtml-template-pro-perl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libhtml-template-pro-perl — 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-2011-4616 Upstream summary: Cross-site scripting (XSS) vulnerability in the HTML-Template-Pro module before 0.9507 for Perl allows remote attackers to inject arbitrary web script or HTML via template parameters, […]

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

Debian 11 — libblockdev — 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-2025-6019 Upstream summary: A Local Privilege Escalation (LPE) vulnerability was found in libblockdev. Generally, the "allow_active" setting in Polkit permits a physically present user to take certain actions […]

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

Debian 13 — tdom — multiple vulnerabilities (2 CVEs) — 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-2009-3560 CVE-2009-3720 Upstream summary: The big2_toUtf8 function in lib/xmltok.c in libexpat in Expat 2.0.1, as used in the XML-Twig module for Perl, allows context-dependent attackers to cause a […]

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Debian 11 — node-path-to-regexp — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — node-path-to-regexp — 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-2024-45296 CVE-2026-4867 CVE-2026-4923 CVE-2026-4926 Upstream summary: path-to-regexp turns path strings into a regular expressions. In certain cases, path-to-regexp will output a regular expression that can be exploited to […]

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

Debian 11 — breezy — 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-2017-14176 Upstream summary: Bazaar through 2.7.0, when Subprocess SSH is used, allows remote attackers to execute arbitrary commands via a bzr+ssh URL with an initial dash character in […]

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Debian 11 — gzip — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — gzip — multiple vulnerabilities (14 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-1999-1332 CVE-2003-0367 CVE-2004-0970 CVE-2005-0758 CVE-2005-0988 CVE-2005-1228 CVE-2006-4334 CVE-2006-4335  +6 more Upstream summary: gzexe in the gzip package on Red Hat Linux 5.0 and earlier allows local users to […]

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