Security Hardening

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2024-22420 CVE-2024-22421 CVE-2024-43805 CVE-2025-59842 CVE-2026-40171 CVE-2026-42266 CVE-2026-42557 Upstream summary: JupyterLab is an extensible environment for interactive and reproducible computing, based on the Jupyter Notebook and Architecture. This vulnerability […]

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-3185 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2003-0537 Upstream summary: The liece Emacs IRC client 2.0+0.20030527 and earlier creates temporary files insecurely, which could allow local users to overwrite arbitrary files as other users. Table […]

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-26284 CVE-2026-35166 CVE-2026-44301 Upstream summary: Hugo is a fast and Flexible Static Site Generator built in Go. Hugo depends on Go's `os/exec` for certain features, e.g. for rendering […]

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2003-0539 Upstream summary: skk (Simple Kana to Kanji conversion program) 12.1 and earlier, and the ddskk package which is based on skk, creates temporary files insecurely, which allows […]

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-27304 CVE-2025-55763 CVE-2025-9648 Upstream summary: The CivetWeb web library does not validate uploaded filepaths when running on an OS other than Windows, when using the built-in HTTP form-based […]

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-0256 CVE-2021-0308 Upstream summary: In LoadPartitionTable of gpt.cc, there is a possible out of bounds write due to a missing bounds check. This could lead to local escalation […]

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-9180 Upstream summary: perl-XML-Twig: The option to `expand_external_ents`, documented as controlling external entity expansion in XML::Twig does not work. External entities are always expanded, regardless of the option's setting. […]

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-4258 Upstream summary: A vulnerability was found in whohas. It has been rated as problematic. This issue affects some unknown processing of the component Package Information Handler. The manipulation […]

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-20108 CVE-2016-5697 CVE-2017-11428 CVE-2024-45409 CVE-2025-25291 CVE-2025-25292 CVE-2025-25293 CVE-2025-54572 Upstream summary: xml_security.rb in the ruby-saml gem before 1.0.0 for Ruby allows XPath injection and code execution because prepared statements […]