Common Problems

Red Hat Enterprise Linux 9 — brotli — vulnerability — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 9

Red Hat Enterprise Linux 9 — brotli — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 9 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:2227 Related CVEs: CVE-2025-6176 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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SLES 16 — bouncycastle — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — bouncycastle — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 April 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2026:1639-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-14813 CVE-2026-3505 CVE-2026-5598 CVE-2015-7940 CVE-2016-1000338 CVE-2019-17359 CVE-2020-28052 CVE-2023-33201  +12 more Upstream summary: : Use of a Broken or Risky Cryptographic Algorithm vulnerability in Legion of […]

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SLES 16 — apache2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — apache2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 April 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2017:2907-1 (see also SUSE bugzilla) Related CVEs: CVE-2010-0425 CVE-2021-42013 CVE-2021-44790 CVE-2006-20001 CVE-2006-3747 CVE-2009-1955 CVE-2009-2699 CVE-2011-3192  +12 more Upstream summary: modules/arch/win32/mod_isapi.c in mod_isapi in the Apache HTTP Server 2.0.37 through 2.0.63, 2.2.0 through […]

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FreeBSD 15 — mariadb104-client — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — mariadb104-client — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 April 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: MariaDB — Multiple vulnerabilities Related CVEs: CVE-2020-15180 CVE-2020-2574 CVE-2021-46659 CVE-2021-46661 CVE-2021-46663 CVE-2021-46664 CVE-2021-46665 CVE-2021-46668  +12 more Upstream summary: The MariaDB project reports: MariaDB fixed 23 vulnerabilities across all supported versions […]

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Red Hat Enterprise Linux 8 — nghttp2 — vulnerability — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 8

Red Hat Enterprise Linux 8 — nghttp2 — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 8 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:8538 Related CVEs: CVE-2026-27135 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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FreeBSD 15 — qt6-pdf — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — qt6-pdf — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 April 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: qt6-webengine — multiple vulnerabilities Related CVEs: CVE-2024-11477 CVE-2025-0762 CVE-2025-0996 CVE-2025-0998 CVE-2025-0999 CVE-2025-1006 CVE-2025-10200 CVE-2025-10201  +12 more Upstream summary: Qt qtwebengine-chromium repo reports: Backports for 262 security bugs in Chromium: CVE-2025-13223: […]

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Ubuntu 22.04 — linux-gkeop — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — linux-gkeop — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 April 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8279-1 Related CVEs: CVE-2024-35862 CVE-2024-50060 CVE-2026-23274 CVE-2026-23351 CVE-2026-31419 CVE-2026-31431 CVE-2026-31504 CVE-2026-31533  +12 more Upstream summary: It was discovered that the Linux kernel algif_aead module did not properly handle in-place cryptographic […]

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Amazon Linux 2023 — python-markdown — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — python-markdown — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2026-1492 Related CVEs: CVE-2025-69534 Upstream summary: Python-Markdown version 3.8 contain a vulnerability where malformed HTML-like sequences can cause html.parser.HTMLParser to raise an unhandled AssertionError during Markdown parsing. Because Python-Markdown does […]

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FreeBSD 15 — mod_dav_svn — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — mod_dav_svn — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 24 April 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Subversion — Multiple vulnerabilities in server code Related CVEs: CVE-2014-3580 CVE-2014-8108 CVE-2015-0202 CVE-2015-0248 CVE-2015-0251 CVE-2015-5259 CVE-2015-5343 CVE-2021-28544  +1 more Upstream summary: Subversion project reports: Subversion servers reveal 'copyfrom' paths that […]

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FreeBSD 15 — xapian-omega — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — xapian-omega — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 April 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: xapian-omega — cross-site scripting vulnerability Related CVEs: CVE-2009-2947 Upstream summary: Olly Betts reports: There's a cross-site scripting issue in Omega – exception messages don't currently get HTML entities escaped, but […]

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