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Arch Linux — jre-openjdk — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — jre-openjdk — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202107-66 Related CVEs: CVE-2021-2388 CVE-2021-2369 CVE-2021-2341 Upstream summary: Type: multiple issues. Status: Fixed. Affected: 16.0.1.u9-1. Fixed in: 16.0.2.u7-1. Group: AVG-2188. Table of contents Symptom & Impact Environment & Reproduction Root […]

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Common Problems 115609

RHEL 7 yum repository unreachable through enterprise proxy

🟡 Medium   ⏱ 5–30 min  Last verified: 29 April 2022 Affected versions: RHEL 7 📖 ~1 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 & […]

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SLES 15 — ruby2.5-rubygem-rails-html-sanitizer — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — ruby2.5-rubygem-rails-html-sanitizer — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 29 April 2022 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2023:3534-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-23518 CVE-2022-23519 CVE-2022-23517 CVE-2022-23520 CVE-2022-32209 Upstream summary: rails-html-sanitizer is responsible for sanitizing HTML fragments in Rails applications. Versions >= 1.0.3, < 1.4.4 are vulnerable to […]

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IBM AIX 7.3 — CVE-2009-2434 — buffer overflow — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2009-2434 — buffer overflow — patch and remediation guide

🟠 High   ⏱ 30–90 min  Last verified: 29 April 2022 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2009-2434, IBM Support Bulletin CVE: CVE-2009-2434 NVD summary: Buffer overflow in the syscall implementation in IBM AIX 5.3 allows local users to gain privileges via unspecified vectors. References: secunia.com/advisories/35754   securitytracker.com/id?1022530   […]

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FreeBSD 13 — moodle — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — moodle — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 29 April 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: moodle — Login CSRF vulnerability Related CVEs: CVE-2015-3272 CVE-2015-3273 CVE-2015-3274 CVE-2015-3275 CVE-2015-5264 CVE-2015-5265 CVE-2015-5266 CVE-2015-5267  +12 more Upstream summary: moodle reports: The login form is not protected by a token […]

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Amazon Linux 2 — samba — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — samba — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2022-1746 Related CVEs: CVE-2016-2124 CVE-2020-25717 CVE-2021-44142 CVE-2020-14318 CVE-2020-14323 CVE-2020-1472 CVE-2022-38023 CVE-2022-32744  +12 more Upstream summary: Out-of-bounds heap read/write vulnerability in VFS module vfs_fruit allows code execution (CVE-2021-44142) Table of contents […]

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FreeBSD 13 — eternalterminal — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — eternalterminal — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 28 April 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: net/eternalterminal — Multiple vulnerabilities Related CVEs: CVE-2022-48257 CVE-2022-48258 Upstream summary: Mitre reports: etserver and etclient have predictable logfile names in /tmp and they are world-readable logfiles Table of contents Symptom […]

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FreeBSD 12 — py310-pygments — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py310-pygments — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 28 April 2022 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-pygments — multiple DoS vulnerabilities Related CVEs: CVE-2021-20270 CVE-2021-27291 Upstream summary: Red Hat reports: An infinite loop in SMLLexer in Pygments versions 1.5 to 2.7.3 may lead to denial of […]

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