Security Hardening

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

Debian 12 — gdnsd — 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-2019-13952 Upstream summary: The set_ipv6() function in zscan_rfc1035.rl in gdnsd before 2.4.3 and 3.x before 3.2.1 has a stack-based buffer overflow via a long and malformed IPv6 address […]

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

Debian 13 — codemirror-js — 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-2020-7760 CVE-2025-6493 Upstream summary: This affects the package codemirror before 5.58.2; the package org.apache.marmotta.webjars:codemirror before 5.58.2. The vulnerable regular expression is located in https://github.com/codemirror/CodeMirror/blob/cdb228ac736369c685865b122b736cd0d397836c/mode/javascript/javascript.jsL129. The ReDOS vulnerability of […]

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

Debian 11 — quart — 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-2024-49767 Upstream summary: Werkzeug is a Web Server Gateway Interface web application library. Applications using `werkzeug.formparser.MultiPartParser` corresponding to a version of Werkzeug prior to 3.0.6 to parse `multipart/form-data` […]

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Debian 12 — v4l2loopback — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — v4l2loopback — 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-2022-2652 Upstream summary: Depending on the way the format strings in the card label are crafted it's possible to leak kernel stack memory. There is also the possibility […]

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

Debian 12 — xsok — 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-2003-0949 Upstream summary: xsok 1.02 does not properly drop privileges before finding and executing the "gunzip" program, which allows local users to execute arbitrary commands. Table of contents […]

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

Debian 12 — quota — 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-2012-3417 Upstream summary: The good_client function in rquotad (rquota_svc.c) in Linux DiskQuota (aka quota) before 3.17 invokes the hosts_ctl function the first time without a host name, which […]

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

Debian 12 — capstone — 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-2016-7151 CVE-2025-67873 CVE-2025-68114 Upstream summary: Capstone 3.0.4 has an out-of-bounds vulnerability (SEGV caused by a read memory access) in X86_insn_reg_intel in arch/X86/X86Mapping.c. Table of contents Symptom & Impact […]

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

Debian 12 — logol — 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-2012-3453 Upstream summary: logol 1.5.0 uses world writable permissions for the /var/lib/logol/results directory, which allows local users to delete or overwrite arbitrary files. Table of contents Symptom & […]

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Debian 12 — postgresql-15 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — postgresql-15 — 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-2022-41862 CVE-2023-2454 CVE-2023-2455 CVE-2023-39417 CVE-2023-39418 CVE-2023-5868 CVE-2023-5869 CVE-2023-5870  +12 more Upstream summary: In PostgreSQL, a modified, unauthenticated server can send an unterminated string during the establishment of Kerberos […]

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