Security Hardening

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-28241 Upstream summary: libmaxminddb before 1.4.3 has a heap-based buffer over-read in dump_entry_data_list in maxminddb.c. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-41915 Upstream summary: OpenPMIx PMIx before 4.2.6 and 5.0.x before 5.0.1 allows attackers to obtain ownership of arbitrary files via a race condition during execution of library code with […]

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-25052 CVE-2025-40924 Upstream summary: A vulnerability has been found in Catalyst-Plugin-Session up to 0.40 and classified as problematic. This vulnerability affects the function _load_sessionid of the file lib/Catalyst/Plugin/Session.pm […]

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-1248 CVE-2017-5953 CVE-2017-6349 CVE-2017-6350 CVE-2019-12735 Upstream summary: vim before patch 8.0.0056 does not properly validate values for the 'filetype', 'syntax' and 'keymap' options, which may result in the […]

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-5237 CVE-2021-22569 CVE-2021-22570 CVE-2022-1941 CVE-2022-3171 CVE-2022-3509 CVE-2022-3510 CVE-2024-7254  +3 more Upstream summary: protobuf allows remote authenticated attackers to cause a heap-based buffer overflow. Table of contents Symptom & […]

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2026-23490 CVE-2026-30922 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-3340 Upstream summary: The tuxpaint-import.sh script in Tux Paint (tuxpaint) 0.9.14 and earlier creates temporary files insecurely, with unknown impact and attack vectors. Table of contents Symptom & […]

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-9355 Upstream summary: danfruehauf NetworkManager-ssh before 1.2.11 allows privilege escalation because extra options are mishandled. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick […]

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-3700 CVE-2009-3826 CVE-2015-8936 Upstream summary: Buffer overflow in sgLog.c in squidGuard 1.3 and 1.4 allows remote attackers to cause a denial of service (application hang or loss of […]

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2006-7246 CVE-2009-0365 CVE-2011-2176 CVE-2012-2736 CVE-2015-0272 CVE-2015-2924 CVE-2016-0764 CVE-2018-1000135  +5 more Upstream summary: NetworkManager 0.9.x does not pin a certificate's subject to an ESSID when 802.11X authentication is used. […]