Security Hardening

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2006-2607 CVE-2017-9525 CVE-2019-9704 CVE-2019-9705 CVE-2019-9706 Upstream summary: do_command.c in Vixie cron (vixie-cron) 4.1 does not check the return code of a setuid call, which might allow local users […]

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-2459 CVE-2004-2460 CVE-2004-2461 Upstream summary: Unknown vulnerability in gnubiff 1.2.0 and earlier allows local users to obtain passwords, related to the password table. Table of contents Symptom & […]

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-12951 CVE-2019-13503 CVE-2019-19307 CVE-2020-25756 CVE-2020-25887 CVE-2021-26528 CVE-2021-26529 CVE-2021-26530  +12 more Upstream summary: An issue was discovered in Mongoose before 6.15. The parse_mqtt() function in mg_mqtt.c has a critical […]

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-3992 Upstream summary: cronic before 3 allows local users to write to arbitrary files via a symlink attack on a (1) cronic.out.$$, (2) cronic.err.$$, or (3) cronic.trace.$$ file […]

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-17530 Upstream summary: common/help.c in Geomview 1.9.5 does not validate strings before launching the program specified by the BROWSER environment variable, which might allow remote attackers to conduct […]

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-36813 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-18246 CVE-2018-18247 CVE-2018-18248 CVE-2018-18249 CVE-2018-18250 CVE-2020-24368 CVE-2021-32746 CVE-2021-32747  +8 more Upstream summary: Icinga Web 2 before 2.6.2 has CSRF via /icingaweb2/config/moduledisable?name=monitoring to disable the monitoring module, or via […]

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-3476 CVE-2007-3477 CVE-2007-3996 CVE-2009-3546 CVE-2021-32773 Upstream summary: Array index error in gd_gif_in.c in the GD Graphics Library (libgd) before 2.0.35 allows user-assisted remote attackers to cause a denial […]

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2006-1329 CVE-2011-1755 CVE-2012-3525 CVE-2015-2058 CVE-2017-10807 CVE-2017-18226 Upstream summary: The SASL negotiation in Jabber Studio jabberd before 2.0s11 allows remote attackers to cause a denial of service ("c2s segfault") […]

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-1804 CVE-2008-0008 CVE-2009-1299 CVE-2009-1894 CVE-2014-3970 Upstream summary: PulseAudio 0.9.5 allows remote attackers to cause a denial of service (daemon crash) via (1) a PA_PSTREAM_DESCRIPTOR_LENGTH value of FRAME_SIZE_MAX_ALLOW sent […]