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-2021-31804 Upstream summary: LeoCAD before 21.03 sometimes allows a use-after-free during the opening of a new document. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-18397 CVE-2022-25308 CVE-2022-25309 CVE-2022-25310 Upstream summary: A buffer overflow in the fribidi_get_par_embedding_levels_ex() function in lib/fribidi-bidi.c of GNU FriBidi through 1.0.7 allows an attacker to cause a denial of […]

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-6441 CVE-2015-1331 CVE-2015-1334 CVE-2015-1335 CVE-2016-10124 CVE-2016-8649 CVE-2017-18641 CVE-2017-5985  +4 more Upstream summary: The lxc-sshd template (templates/lxc-sshd.in) in LXC before 1.0.0.beta2 uses read-write permissions when mounting /sbin/init, which allows […]

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-3931 CVE-2016-8714 CVE-2020-27637 CVE-2024-27322 Upstream summary: javareconf in R 2.7.2 allows local users to overwrite arbitrary files via a symlink attack on temporary files. Table of contents Symptom […]

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-24986 Upstream summary: KDE KCron through 21.12.2 uses a temporary file in /tmp when saving, but reuses the filename during an editing session. Thus, someone watching it be […]

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2011-0002 CVE-2012-5630 CVE-2012-5644 CVE-2015-3245 CVE-2015-3246 Upstream summary: libuser before 0.57 uses a cleartext password value of (1) !! or (2) x for new LDAP user accounts, which makes […]

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2001-1034 CVE-2002-1049 CVE-2002-1050 CVE-2003-0886 CVE-2004-1182 CVE-2005-3069 CVE-2005-3070 CVE-2005-3538  +3 more Upstream summary: Format string vulnerability in Hylafax on FreeBSD allows local users to execute arbitrary code via format […]

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-1000420 CVE-2021-21404 CVE-2022-46165 Upstream summary: Syncthing version 0.14.33 and older is vulnerable to symlink traversal resulting in arbitrary file overwrite Table of contents Symptom & Impact Environment & […]

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2011-0421 CVE-2012-1162 CVE-2012-1163 CVE-2015-2331 CVE-2017-14107 Upstream summary: The _zip_name_locate function in zip_name_locate.c in the Zip extension in PHP before 5.3.6 does not properly handle a ZIPARCHIVE::FL_UNCHANGED argument, which […]

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2024-53263 CVE-2025-26625 Upstream summary: Git LFS is a Git extension for versioning large files. When Git LFS requests credentials from Git for a remote host, it passes portions […]