🟠 High ⏱ 5–30 min Last verified: 4 November 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: Oracle Bug 31133351 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan […]
Introduction How to Configure Jenkins Pipelines on FreeBSD 13 is a core administration task for any FreeBSD 13 server operator. FreeBSD 13 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for packet filtering, […]
🟠 High ⏱ 15–60 min Last verified: 4 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: oniguruma — multiple vulnerabilities Related CVEs: CVE-2015-8874 CVE-2016-5766 CVE-2016-5767 CVE-2016-5768 CVE-2016-5769 CVE-2016-5770 CVE-2016-5771 CVE-2016-5772 +5 more Upstream summary: the PHP project reports: A stack out-of-bounds read occurs in match_at() during […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0.19.0-r0 📖 ~4 min read • Source: Alpine secdb entry — py3-httplib2 0.19.0-r0 Related CVEs: CVE-2021-21240 Upstream summary: Alpine community repository for vedge ships py3-httplib2 0.19.0-r0 which addresses CVE-2021-21240. Table of contents Symptom & Impact Environment […]
🟢 Low ⏱ 5–15 min Last verified: 4 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: lftp — multiple HTTP client download filename vulnerability Related CVEs: CVE-2003-0963 CVE-2010-2251 Upstream summary: The get1 command, as used by lftpget, in LFTP before 4.0.6 does not properly validate a […]
🟢 Low ⏱ 5–15 min Last verified: 4 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: vnc — authentication bypass vulnerability Upstream summary: RealVNC is susceptible to an authentication-bypass vulnerability. A malicious VNC client can cause a VNC server to allow it to connect without any […]
🟢 Low ⏱ 5–15 min Last verified: 4 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2021-36489 Upstream summary: Buffer Overflow vulnerability in Allegro through 5.2.6 allows attackers to cause a denial of service via crafted PCX/TGA/BMP files to allegro_image addon. Table of contents […]
🟡 Medium ⏱ 10–30 min Last verified: 4 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2001-1505 CVE-2002-1755 CVE-2013-1428 CVE-2018-16737 CVE-2018-16738 CVE-2018-16758 Upstream summary: tinc 1.0pre3 and 1.0pre4 allows remote attackers to inject data into user sessions by sniffing and replaying packets. Table of […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read • Source: Arch ASA ASA-202105-14 Related CVEs: CVE-2021-2166 CVE-2021-2154 Upstream summary: Type: denial of service. Status: Fixed. Affected: 10.5.9-1. Fixed in: 10.5.10-1. Group: AVG-1882. Table of contents Symptom & Impact Environment & Reproduction Root […]
It’s easy to take the order of operations for granted, because higher-level languages handle that for you. In this tutorial, we’ll look at how that works at a lower level, and derive an algorithm for processing mathematical expressions in postfix notation.
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