Security Hardening

Oracle Linux 9 — libssh — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — libssh — vulnerability — patch and remediation guide (ELSA-2025-18275)

🟡 Medium   ⏱ 10–30 min  Last verified: 12 January 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-18275 Related CVEs: CVE-2025-5318 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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SLES 12 — libvmtools0 — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — libvmtools0 — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 12 January 2026 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory RHSA-2025:17428 (see also SUSE bugzilla) Related CVEs: CVE-2025-41244 CVE-2023-34058 CVE-2023-34059 CVE-2023-20900 CVE-2022-31676 CVE-2025-22247 CVE-2023-20867 CVE-2015-5191 Upstream summary: VMware Aria Operations and VMware Tools contain a local privilege escalation vulnerability. A malicious local […]

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SLES 16 — dom4j — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — dom4j — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 12 January 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2020:1382-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-10683 CVE-2018-1000632 Upstream summary: dom4j before 2.0.3 and 2.1.x before 2.1.3 allows external DTDs and External Entities by default, which might enable XXE attacks. However, […]

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FreeBSD 15 — php55-mbstring — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — php55-mbstring — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 11 January 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: php — multiple vulnerabilities Related CVEs: CVE-2015-8874 CVE-2016-5766 CVE-2016-5767 CVE-2016-5768 CVE-2016-5769 CVE-2016-5770 CVE-2016-5771 CVE-2016-5772  +1 more Upstream summary: The PHP Group reports: Please reference CVE/URL list for details Table of […]

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NetBSD 10.0 — poppler-utils — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — poppler-utils — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2017-7511 CVE-2017-9775 CVE-2017-9776 CVE-2018-10768 CVE-2017-7515 CVE-2020-27778 CVE-2025-50420 Upstream summary: pkgsrc audit-packages flagged poppler-utils<0.24.3 for vulnerability class 'format-string'. Reference: http://secunia.com/advisories/55258/ Table of contents Symptom & Impact Environment & Reproduction Root […]

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FreeBSD 15 — php5-imap — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — php5-imap — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 11 January 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: php-imap — Denial of Service Related CVEs: CVE-2007-0905 CVE-2007-0906 CVE-2007-0907 CVE-2007-0908 CVE-2007-0909 CVE-2007-0910 CVE-2007-0988 CVE-2007-1001  +1 more Upstream summary: The following DoS condition in IMAP extension was fixed in PHP […]

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FreeBSD 15 — kdegraphics — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — kdegraphics — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 11 January 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: xpdf — multiple remote Stream.CC vulnerabilities Related CVEs: CVE-2004-0888 CVE-2004-0889 CVE-2004-1125 CVE-2005-0064 CVE-2005-2097 CVE-2006-0301 CVE-2007-3387 CVE-2007-4352  +2 more Upstream summary: Secunia Research reports: Secunia Research has discovered some vulnerabilities in […]

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FreeBSD 15 — py36-notebook — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — py36-notebook — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 January 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Jupyter notebook — open redirect vulnerability Related CVEs: CVE-2018-8768 CVE-2019-10255 Upstream summary: Jupyter blog: Login pages tend to take a parameter for redirecting back to a page after successful login, […]

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FreeBSD 15 — pcal — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — pcal — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 January 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: pcal — buffer overflow vulnerabilities Related CVEs: CVE-2004-1289 Upstream summary: Danny Lungstrom has found two buffer overflow vulnerabilities in pcal which can lead to execution of arbitrary code by making […]

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FreeBSD 15 — py39-flask-caching — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — py39-flask-caching — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 January 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-flask-caching — remote code execution or local privilege escalation vulnerabilities Related CVEs: CVE-2021-33026 Upstream summary: subnix reports: The Flask-Caching extension through 2.0.2 for Flask relies on Pickle for serialization, which […]

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