🔴 Critical ⏱ 15–90 min Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read • Source: Amazon Linux advisory ALAS2-2021-1731 Related CVEs: CVE-2021-44228 CVE-2021-45046 CVE-2018-3136 CVE-2018-3139 CVE-2018-3149 CVE-2018-3169 CVE-2018-3180 CVE-2018-3183 +12 more Upstream summary: No versions of an Amazon Linux Java Virtual Machine (JVM) are affected by CVE-2021-44228 or […]
🟡 Medium ⏱ 10–30 min Last verified: 13 November 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-7579-1 Related CVEs: CVE-2019-2126 CVE-2021-26826 CVE-2021-26825 Upstream summary: It was discovered that the Godot Engine did not properly handle certain malformed WebM media files. If the Godot Engine opened a […]
🟢 Low ⏱ 5–15 min Last verified: 12 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2009-3720 Upstream summary: The updatePosition function in lib/xmltok_impl.c in libexpat in Expat 2.0.1, as used in Python, PyXML, w3c-libwww, and other software, allows context-dependent attackers to cause a […]
🟠 High ⏱ 5–30 min Last verified: 12 November 2021 Affected versions: Oracle Linux 8 📖 ~3 min read 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 Prevention & Hardening Related Errors […]
🟢 Low ⏱ 5–15 min Last verified: 12 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2009-2947 Upstream summary: Cross-site scripting (XSS) vulnerability in Xapian Omega before 1.0.16 allows remote attackers to inject arbitrary web script or HTML via unspecified CGI parameter values, which […]
🟢 Low ⏱ 5–15 min Last verified: 12 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2009-0129 Upstream summary: libcrypt-openssl-dsa-perl does not properly check the return value from the OpenSSL DSA_verify and DSA_do_verify functions, which might allow remote attackers to bypass validation of the […]
🟢 Low ⏱ 5–15 min Last verified: 12 November 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2005-2656 Upstream summary: Polygen before 1.0.6 generates precompiled grammar objects with world-writable permissions, which allows local users to cause a denial of service (disk consumption) and possibly perform […]
How to Set Up Pacemaker and Corosync for High Availability on RHEL 7 High availability (HA) clustering prevents individual server failures from causing service outages by automatically detecting node failures and restarting workloads on surviving nodes. On RHEL 7, the standard HA stack is built from three components: Corosync, which provides reliable cluster messaging and […]
🟡 Medium ⏱ 10–30 min Last verified: 12 November 2021 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5019-1 Related CVEs: CVE-2021-1093 CVE-2021-1094 CVE-2021-1095 CVE-2021-1076 CVE-2021-1077 CVE-2021-1052 CVE-2021-1053 CVE-2021-1056 Upstream summary: It was discovered that an assert() could be triggered in the NVIDIA graphics drivers. A local attacker […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALSA-2020:0903 Related CVEs: CVE-2019-20044 CVE-2021-45444 Upstream summary: The zsh shell is a command interpreter usable as an interactive login shell and as a shell script command processor. Zsh resembles the ksh shell […]
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