Security Hardening

Debian 11 — simple-xml — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — simple-xml — 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-2017-1000190 Upstream summary: SimpleXML (latest version 2.7.1) is vulnerable to an XXE vulnerability resulting SSRF, information disclosure, DoS and so on. Table of contents Symptom & Impact Environment […]

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Debian 11 — libdbd-mysql-perl — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libdbd-mysql-perl — multiple vulnerabilities (7 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-2014-9906 CVE-2015-8949 CVE-2016-1246 CVE-2016-1249 CVE-2016-1251 CVE-2017-10788 CVE-2017-10789 Upstream summary: Use-after-free vulnerability in DBD::mysql before 4.029 allows attackers to cause a denial of service (program crash) or possibly execute […]

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Debian 11 — kamailio — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — kamailio — multiple vulnerabilities (15 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-2013-7426 CVE-2015-1590 CVE-2015-1591 CVE-2016-2385 CVE-2018-14767 CVE-2018-16657 CVE-2018-8828 CVE-2020-27507  +7 more Upstream summary: Insecure Temporary file vulnerability in /tmp/kamailio_fifo in kamailio 4.0.1. Table of contents Symptom & Impact Environment […]

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Debian 13 — evince — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — evince — multiple vulnerabilities (14 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-2006-5864 CVE-2010-2640 CVE-2010-2641 CVE-2010-2642 CVE-2010-2643 CVE-2011-0433 CVE-2011-5244 CVE-2013-3718  +6 more Upstream summary: Stack-based buffer overflow in the ps_gettext function in ps.c for GNU gv 3.6.2, and possibly earlier […]

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Debian 13 — ruby-loofah — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — ruby-loofah — multiple vulnerabilities (6 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-2018-16468 CVE-2018-8048 CVE-2019-15587 CVE-2022-23514 CVE-2022-23515 CVE-2022-23516 Upstream summary: In the Loofah gem for Ruby, through v2.2.2, unsanitized JavaScript may occur in sanitized output when a crafted SVG element […]

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

Debian 13 — svgsalamander — 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-2017-5617 Upstream summary: The SVG Salamander (aka svgSalamander) library, when used in a web application, allows remote attackers to conduct server-side request forgery (SSRF) attacks via an xlink:href attribute […]

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

Debian 13 — libsamplerate — 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-2008-5008 CVE-2017-7697 Upstream summary: Buffer overflow in src/src_sinc.c in Secret Rabbit Code (aka SRC or libsamplerate) before 0.1.4, when "extreme low conversion ratios" are used, allows user-assisted attackers […]

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

Debian 11 — glade — 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-2020-36774 Upstream summary: plugins/gtk+/glade-gtk-box.c in GNOME Glade before 3.38.1 and 3.39.x before 3.40.0 mishandles widget rebuilding for GladeGtkBox, leading to a denial of service (application crash). Table of […]

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

Debian 11 — libsepol — 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-2021-36084 CVE-2021-36085 CVE-2021-36086 CVE-2021-36087 Upstream summary: The CIL compiler in SELinux 3.2 has a use-after-free in __cil_verify_classperms (called from __cil_verify_classpermission and __cil_pre_verify_helper). Table of contents Symptom & Impact […]

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Debian 12 — node-serve-static — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — node-serve-static — 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-2015-1164 CVE-2024-43800 Upstream summary: Open redirect vulnerability in the serve-static plugin before 1.7.2 for Node.js, when mounted at the root, allows remote attackers to redirect users to arbitrary […]

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