Security Hardening

Debian 12 — dnsmasq — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — dnsmasq — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-0876 CVE-2005-0877 CVE-2006-2017 CVE-2008-1447 CVE-2008-3214 CVE-2008-3350 CVE-2009-2957 CVE-2009-2958  +12 more Upstream summary: Off-by-one buffer overflow in Dnsmasq before 2.21 may allow attackers to execute arbitrary code via the […]

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

Debian 13 — grilo — 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-2021-39365 Upstream summary: In GNOME grilo though 0.3.13, grl-net-wc.c does not enable TLS certificate verification on the SoupSessionAsync objects it creates, leaving users vulnerable to network MITM attacks. NOTE: […]

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Debian 11 — mpv — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — mpv — 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-2018-6360 CVE-2020-19824 CVE-2021-30145 Upstream summary: mpv through 0.28.0 allows remote attackers to execute arbitrary code via a crafted web site, because it reads HTML documents containing VIDEO elements, […]

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

Debian 12 — node-send — 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-2014-6394 CVE-2015-8859 CVE-2024-43799 Upstream summary: visionmedia send before 0.8.4 for Node.js uses a partial comparison for verifying whether a directory is within the document root, which allows remote […]

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Debian 12 — django-tastypie — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — django-tastypie — 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-2011-4104 Upstream summary: The from_yaml method in serializers.py in Django Tastypie before 0.9.10 does not properly deserialize YAML data, which allows remote attackers to execute arbitrary Python code […]

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

Debian 11 — php-horde-trean — 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-2019-12095 CVE-2020-8865 Upstream summary: Horde Trean, as used in Horde Groupware Webmail Edition through 5.2.22 and other products, allows CSRF, as demonstrated by the treanBookmarkTags parameter to the […]

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Debian 13 — firejail — multiple vulnerabilities (18 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — firejail — multiple vulnerabilities (18 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-10117 CVE-2016-10118 CVE-2016-10119 CVE-2016-10120 CVE-2016-10121 CVE-2016-10122 CVE-2016-10123 CVE-2016-9016  +10 more Upstream summary: Firejail does not restrict access to –tmpfs, which allows local users to gain privileges, as demonstrated […]

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Debian 13 — libcrypt-openssl-dsa-perl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libcrypt-openssl-dsa-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-2009-0129 Upstream summary: libcrypt-openssl-dsa-perl does not properly check the return value from the OpenSSL DSA_verify and DSA_do_verify functions, which might allow remote attackers to bypass validation of the […]

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Debian 13 — pspp — multiple vulnerabilities (18 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — pspp — multiple vulnerabilities (18 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-10791 CVE-2017-10792 CVE-2017-12958 CVE-2017-12959 CVE-2017-12960 CVE-2017-12961 CVE-2018-20230 CVE-2019-9211  +10 more Upstream summary: There is an Integer overflow in the hash_int function of the libpspp library in GNU PSPP […]

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

Debian 13 — nautilus-python — 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-2009-0317 Upstream summary: Untrusted search path vulnerability in the Python language bindings for Nautilus (nautilus-python) allows local users to execute arbitrary code via a Trojan horse Python file […]

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