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Debian 13 — linuxptp — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — linuxptp — multiple vulnerabilities (3 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-2021-3570 CVE-2021-3571 CVE-2024-42861 Upstream summary: A flaw was found in the ptp4l program of the linuxptp package. A missing length check when forwarding a PTP message between ports […]

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Debian 11 — libnet-cidr-lite-perl — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libnet-cidr-lite-perl — multiple vulnerabilities (5 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-2021-47154 CVE-2026-40198 CVE-2026-40199 CVE-2026-45190 CVE-2026-45191 Upstream summary: The Net::CIDR::Lite module before 0.22 for Perl does not properly consider extraneous zero characters at the beginning of an IP address […]

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Debian 11 — libgitlab-api-v4-perl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libgitlab-api-v4-perl — 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-2023-31485 Upstream summary: GitLab::API::v4 through 0.26 does not verify TLS certificates when connecting to a GitLab server, enabling machine-in-the-middle attacks. Table of contents Symptom & Impact Environment & […]

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

Debian 12 — libblockdev — 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-2025-6019 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 12 — musescore2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — musescore2 — 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-2023-44428 CVE-2024-44866 Upstream summary: MuseScore CAP File Parsing Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of […]

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

Debian 13 — skktools — 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-2007-3916 Upstream summary: The main function in skkdic-expr.c in SKK Tools 1.2 allows local users to overwrite or delete arbitrary files via a symlink attack on a skkdic$PID […]

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Debian 12 — libapache2-mod-perl2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libapache2-mod-perl2 — 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-2007-1349 CVE-2009-0796 CVE-2011-2767 Upstream summary: PerlRun.pm in Apache mod_perl before 1.30, and RegistryCooker.pm in mod_perl 2.x, does not properly escape PATH_INFO before use in a regular expression, which […]

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Debian 13 — python-werkzeug — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — python-werkzeug — multiple vulnerabilities (8 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-2016-10516 CVE-2019-14806 CVE-2020-28724 CVE-2023-23934 CVE-2023-25577 CVE-2023-46136 CVE-2024-34069 CVE-2024-49767 Upstream summary: Cross-site scripting (XSS) vulnerability in the render_full function in debug/tbtools.py in the debugger in Pallets Werkzeug before 0.11.11 […]

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Debian 9 — optipng — vulnerability — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — optipng — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-16938 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 — node-bl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — node-bl — 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-2020-8244 Upstream summary: A buffer over-read vulnerability exists in bl <4.0.3, <3.0.1, <2.2.1, and <1.2.3 which could allow an attacker to supply user input (even typed) that if it […]

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