Security Hardening

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2011-1496 CVE-2020-27347 Upstream summary: tmux 1.3 and 1.4 does not properly drop group privileges, which allows local users to gain utmp group privileges via a filename to 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-2016-6199 CVE-2019-11065 CVE-2019-15052 CVE-2019-16370 CVE-2021-29428 CVE-2021-29429 CVE-2021-32751 CVE-2023-35946  +5 more Upstream summary: ObjectSocketWrapper.java in Gradle 2.12 allows remote attackers to execute arbitrary code via a crafted serialized object. […]

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-0087 CVE-2026-25068 Upstream summary: The alsa-lib package in Red Hat Linux 4 disables stack protection for the libasound.so library, which makes it easier for attackers to execute arbitrary […]

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-14779 CVE-2018-14780 CVE-2020-13131 CVE-2020-13132 Upstream summary: A buffer overflow issue was discovered in the Yubico-Piv 1.5.0 smartcard driver. The file lib/ykpiv.c contains the following code in the function […]

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-9355 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 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-1759 Upstream summary: Stack-based buffer overflow in the btFiles::BuildFromMI function (trunk/btfiles.cpp) in Enhanced CTorrent (aka dTorrent) 3.3.2 and probably earlier, and CTorrent 1.3.4, allows remote attackers to cause […]

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-9351 CVE-2016-9400 CVE-2018-18541 CVE-2019-10877 CVE-2019-10878 CVE-2019-10879 CVE-2020-12066 CVE-2021-43518  +2 more Upstream summary: engine/server/server.cpp in Teeworlds 0.6.x before 0.6.3 allows remote attackers to read memory and cause a denial […]

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2025-7962 Upstream summary: In Jakarta Mail 2.0.2 it is possible to preform a SMTP Injection by utilizing the \r and \n UTF-8 characters to separate different messages. Table of […]

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-9909 CVE-2016-9910 Upstream summary: The serializer in html5lib before 0.99999999 might allow remote attackers to conduct cross-site scripting (XSS) attacks by leveraging mishandling of the < (less than) […]

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-10380 Upstream summary: RMySQL through 0.10.19 allows SQL Injection. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix […]