🟠 High ⏱ 15–60 min Last verified: 6 March 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2020-5238 CVE-2022-24724 CVE-2022-39209 CVE-2023-22483 CVE-2023-22484 CVE-2023-22485 CVE-2023-22486 CVE-2023-24824 +2 more Upstream summary: The table extension in GitHub Flavored Markdown before version 0.29.0.gfm.1 takes O(n * n) time to […]
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 9.18.7-r0 📖 ~4 min read • Source: Alpine secdb entry — bind 9.18.7-r0 Related CVEs: CVE-2022-2795 CVE-2022-2881 CVE-2022-2906 CVE-2022-3080 CVE-2022-38177 CVE-2022-38178 CVE-2026-3039 CVE-2026-3592 +12 more Upstream summary: Alpine main repository for vv3.20 ships bind 9.18.7-r0 which […]
🟠 High ⏱ 15–60 min Last verified: 6 March 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-8122-1 Related CVEs: CVE-2021-43302 CVE-2026-25994 CVE-2021-43300 CVE-2021-43301 CVE-2021-32686 CVE-2021-43299 CVE-2018-1000099 CVE-2021-37706 +6 more Upstream summary: Youngsung Kim discovered that PJSIP did not properly parse numeric header fields in SIP messages. […]
🟡 Medium ⏱ 10–30 min Last verified: 6 March 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-7814-1 Related CVEs: CVE-2024-23837 CVE-2025-53537 CVE-2024-28871 CVE-2024-45797 Upstream summary: It was discovered that LibHTP did not correctly handle certain HTTP headers. A remote attacker could possibly use this issue to […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 9 📖 ~4 min read • Source: Red Hat advisory RHSA RHSA-2026:0705 Related CVEs: CVE-2025-46397 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]
🟡 Medium ⏱ 10–30 min Last verified: 6 March 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-8035-1 Related CVEs: CVE-2026-25646 CVE-2026-22801 CVE-2025-66293 CVE-2026-22695 CVE-2025-64720 CVE-2025-64506 CVE-2025-64505 CVE-2025-65018 Upstream summary: It was discovered that the libpng simplified API incorrectly processed palette PNG images with partial transparency and […]
🟠 High ⏱ 15–60 min Last verified: 6 March 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-7599-1 Related CVEs: CVE-2025-50182 CVE-2025-50181 CVE-2024-37891 CVE-2018-25091 CVE-2023-43804 CVE-2023-45803 CVE-2020-26137 CVE-2018-20060 +2 more Upstream summary: Jacob Sandum discovered that urllib3 handled redirects even when they were explicitly disabled while using […]
🔴 Critical ⏱ 15–90 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory openSUSE-SU-2021:1577-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-44228 CVE-2019-17571 CVE-2021-45105 CVE-2021-45046 CVE-2026-34477 CVE-2026-34479 CVE-2026-34480 CVE-2026-34481 +4 more Upstream summary: Apache Log4j2 2.0-beta9 through 2.15.0 (excluding security releases 2.12.2, 2.12.3, and 2.3.1) JNDI […]
🟠 High ⏱ 15–60 min Last verified: 6 March 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read • Source: Ubuntu Security Notice USN-7643-1 Related CVEs: CVE-2025-4969 CVE-2025-32914 CVE-2025-4945 CVE-2025-32907 CVE-2025-4948 CVE-2025-4476 CVE-2025-32908 CVE-2025-32906 +12 more Upstream summary: Jan Różański discovered that libsoup incorrectly handled range headers in an HTTP request. An attacker […]
Introduction This tutorial demonstrates how to Capture Packets with tcpdump on RHEL 10 on RHEL 10. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered RHEL 10 system with the default AppStream repositories […]
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