Introduction This guide explains how to Configure Postfix Mail Server on Debian 12 on Debian 12 Bookworm. Debian Bookworm uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 12 install with the […]
🟢 Low ⏱ 5–15 min Last verified: 11 November 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2012-6114 Upstream summary: The git-changelog utility in git-extras 1.7.0 allows local users to overwrite arbitrary files via a symlink attack on (1) /tmp/changelog or (2) /tmp/.git-effort. Table of […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read • Source: Amazon Linux advisory ALAS2LIVEPATCH-2023-113 Related CVEs: CVE-2023-26545 Upstream summary: In the Linux kernel before 6.1.13, there is a double free in net/mpls/af_mpls.c upon an allocation failure (for registering the sysctl table under a […]
🟡 Medium ⏱ 10–30 min Last verified: 11 November 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2017-14731 CVE-2017-2816 CVE-2019-9656 Upstream summary: ofx_proc_file in ofx_preproc.cpp in LibOFX 0.9.12 allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via a […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read • Source: Gentoo GLSA GLSA-202401-24 Related CVEs: CVE-2021-3580 CVE-2023-36660 CVE-2021-20305 Upstream summary: Multiple vulnerabilities have been discovered in Nettle. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & […]
🟢 Low ⏱ 5–15 min Last verified: 11 November 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2003-0438 Upstream summary: eldav WebDAV client for Emacs, version 0.7.2 and earlier, allows local users to create or overwrite arbitrary files via a symlink attack on temporary files. […]
🟢 Low ⏱ 5–15 min Last verified: 11 November 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2018-25222 Upstream summary: SC v7.16 contains a stack-based buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying oversized input that exceeds buffer boundaries. Attackers […]
🟢 Low ⏱ 5–15 min Last verified: 11 November 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2023-52354 Upstream summary: chasquid before 1.13 allows SMTP smuggling because LF-terminated lines are accepted. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]
🟢 Low ⏱ 5–15 min Last verified: 11 November 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2021-32614 CVE-2021-3548 Upstream summary: A flaw was found in dmg2img through 20170502. fill_mishblk() does not check the length of the read buffer, and copy 0xCC bytes from it. […]
🟡 Medium ⏱ 10–30 min Last verified: 11 November 2023 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read • Source: Ubuntu Security Notice USN-7781-1 Related CVEs: CVE-2023-40303 CVE-2020-10188 CVE-2022-39028 CVE-2019-0053 CVE-2021-40491 Upstream summary: Matthew Hickey discovered that Inetutils did not correctly handle certain escape characters. An attacker could possibly use this issue to […]
