Common Problems

FreeBSD 14 — ruby22-gems — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — ruby22-gems — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 5 January 2024 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: rubygems — deserialization vulnerability Related CVEs: CVE-2015-3900 CVE-2017-0903 Upstream summary: oss-security mailing list: There is a possible unsafe object desrialization vulnerability in RubyGems. It is possible for YAML deserialization of […]

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NetBSD 9.4 — py-dulwich — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — py-dulwich — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2014-9706 CVE-2015-0838 CVE-2017-16228 Upstream summary: pkgsrc audit-packages flagged py{26,27,33,34}-dulwich<0.9.9 for vulnerability class 'arbitrary-code-execution'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-9706 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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Debian 12 — fcitx5 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — fcitx5 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 5 January 2024 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-37311 Upstream summary: Buffer Overflow vulnerability in fcitx5 5.0.8 allows attackers to cause a denial of service via crafted message to the application's listening port. Table of contents […]

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Debian 12 — netkit-rsh — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — netkit-rsh — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 5 January 2024 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-7282 CVE-2019-7283 CVE-2023-38336 Upstream summary: In NetKit through 0.17, rcp.c in the rcp client allows remote rsh servers to bypass intended access restrictions via the filename of . […]

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Alpine Linux 3.19 — xrdp — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — xrdp — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 0.9.23.1-r0 📖 ~4 min read  •  Source: Alpine secdb entry — xrdp 0.9.23.1-r0 Related CVEs: CVE-2023-42822 CVE-2023-40184 CVE-2022-23468 CVE-2022-23477 CVE-2022-23478 CVE-2022-23479 CVE-2022-23480 CVE-2022-23481  +7 more Upstream summary: Alpine community repository for vv3.19 ships xrdp 0.9.23.1-r0 which […]

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Ubuntu 18.04 — xerces-c — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — xerces-c — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 5 January 2024 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6590-1 Related CVEs: CVE-2018-1311 CVE-2023-37536 CVE-2016-2099 CVE-2016-4463 CVE-2017-12627 Upstream summary: It was discovered that Xerces-C++ was not properly handling memory management operations when parsing XML data containing external DTDs, which […]

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Ubuntu 16.04 — htmlunit — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — htmlunit — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 5 January 2024 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8220-1 Related CVEs: CVE-2023-49093 CVE-2020-5529 Upstream summary: It was discovered that HtmlUnit was vulnerable to remote code execution via XSLT when browsing an attacker-controlled webpage. An attacker could possibly use […]

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Alpine Linux 3.19 — mruby — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — mruby — multiple vulnerabilities (14 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 3.1.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — mruby 3.1.0-r0 Related CVEs: CVE-2021-4110 CVE-2021-4188 CVE-2022-0080 CVE-2022-0240 CVE-2022-0326 CVE-2022-0481 CVE-2022-0631 CVE-2022-0632  +6 more Upstream summary: Alpine community repository for vv3.19 ships mruby 3.1.0-r0 which […]

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Oracle Linux 8 — httpd:2.4/httpd — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — httpd:2.4/httpd — vulnerability — patch and remediation guide (ELSA-2024-4197)

🟡 Medium   ⏱ 10–30 min  Last verified: 5 January 2024 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-4197 Related CVEs: CVE-2023-38709 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Gentoo Linux — dev-java/openjdk-bin — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — dev-java/openjdk-bin — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202412-07 Related CVEs: CVE-2023-22006 CVE-2023-22025 CVE-2023-22036 CVE-2023-22041 CVE-2023-22044 CVE-2023-22045 CVE-2023-22049 CVE-2023-22067  +12 more Upstream summary: Multiple vulnerabilities have been discovered in OpenJDK. Please review the CVE identifiers referenced below for details. Table […]

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