Security Hardening

Debian 12 — sslh — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — sslh — multiple vulnerabilities (2 CVEs) — 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-2025-46807 CVE-2025-52936 Upstream summary: A Allocation of Resources Without Limits or Throttling vulnerability in sslh allows attackers to easily exhaust the file descriptors in sslh and deny legitimate […]

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Debian 12 — sip-tester — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — sip-tester — multiple vulnerabilities (2 CVEs) — 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-2008-1959 CVE-2008-2085 Upstream summary: Stack-based buffer overflow in the get_remote_video_port_media function in call.cpp in SIPp 3.0 allows remote attackers to cause a denial of service and possibly execute […]

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Debian 11 — mpfr4 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — mpfr4 — 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-2014-9474 Upstream summary: Buffer overflow in the mpfr_strtofr function in GNU MPFR before 3.1.2-p11 allows context-dependent attackers to have unspecified impact via vectors related to incorrect documentation for […]

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Debian 11 — libjackson-json-java — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libjackson-json-java — 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-2017-15095 CVE-2017-7525 CVE-2019-10172 Upstream summary: A deserialization flaw was discovered in the jackson-databind in versions before 2.8.10 and 2.9.1, which could allow an unauthenticated user to perform code […]

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

Debian 12 — smokeping — 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-2012-0790 CVE-2013-4168 CVE-2015-0859 Upstream summary: Cross-site scripting (XSS) vulnerability in smokeping_cgi in Smokeping 2.4.2, 2.6.6, and other versions before 2.6.7 allows remote attackers to inject arbitrary web script […]

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Debian 12 — python-mkdocs — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — python-mkdocs — 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-2021-40978 Upstream summary: The mkdocs 1.2.2 built-in dev-server allows directory traversal using the port 8000, enabling remote exploitation to obtain :sensitive information. NOTE: the vendor has disputed this […]

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Debian 11 — php-horde-crypt — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — php-horde-crypt — 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-2017-7413 CVE-2017-7414 Upstream summary: In Horde_Crypt before 2.7.6, as used in Horde Groupware Webmail Edition through 5.2.17, OS Command Injection can occur if the attacker is an authenticated […]

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Debian 11 — ruby-excon — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — ruby-excon — 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-2019-16779 Upstream summary: In RubyGem excon before 0.71.0, there was a race condition around persistent connections, where a connection which is interrupted (such as by a timeout) would […]

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Debian 11 — node-axios — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — node-axios — multiple vulnerabilities (20 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-2019-10742 CVE-2020-28168 CVE-2021-3749 CVE-2023-45857 CVE-2024-57965 CVE-2025-27152 CVE-2025-58754 CVE-2025-62718  +12 more Upstream summary: Axios up to and including 0.18.0 allows attackers to cause a denial of service (application crash) […]

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

Debian 13 — gummi — 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-2015-7758 Upstream summary: Gummi 0.6.5 allows local users to write to arbitrary files via a symlink attack on a temporary dot file that uses the name of an existing […]

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