IT, Cloud & DevOps Blog

SLES 15 — jackson-databind — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — jackson-databind — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE security advisory Related CVEs: CVE-2018-11307 CVE-2018-14718 CVE-2018-14721 CVE-2018-19360 CVE-2018-19361 CVE-2018-19362 CVE-2018-7489 CVE-2019-14379  +12 more Upstream summary: An issue was discovered in FasterXML jackson-databind 2.0.0 through 2.9.5. Use of Jackson default typing along with […]

Read more
SLES 16 — perl-Text-CSV_XS — vulnerability — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — perl-Text-CSV_XS — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2026:1936-1 (see also SUSE bugzilla) Related CVEs: CVE-2026-7111 Upstream summary: Text::CSV_XS versions before 1.62 for Perl have a use-after-free when registered callbacks extend the Perl argument stack, which may enable type confusion […]

Read more
Oracle Linux 8 — .NET 6.0 security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — .NET 6.0 security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2023-3582)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-3582 Related CVEs: CVE-2023-29331 CVE-2023-29337 CVE-2023-24936 CVE-2023-33128 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

Read more
Oracle Linux 9 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2026-50260)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-50260 Related CVEs: CVE-2025-40135 CVE-2025-54518 CVE-2026-23004 CVE-2026-23240 CVE-2026-23243 CVE-2026-23249 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

Read more
pr cp 124042 r2

Oracle Linux 10 nftables and firewalld Direct Rules Conflict

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Oracle Linux 10 📖 ~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 […]

Read more
FreeBSD 12 — ethereal-lite — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — ethereal-lite — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: wireshark — PCNFSD Dissector Denial of Service Vulnerability Related CVEs: CVE-2004-0504 CVE-2004-0505 CVE-2004-0506 CVE-2004-0507 CVE-2004-0633 CVE-2004-0634 CVE-2004-0635 CVE-2004-1139  +12 more Upstream summary: Secunia reports: A vulnerability has been reported in […]

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

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

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: rubygem-resolv — Possible denial of service Related CVEs: CVE-2004-0755 CVE-2004-0983 CVE-2005-1992 CVE-2005-2337 CVE-2006-3694 CVE-2006-5467 CVE-2006-6303 CVE-2008-1447  +12 more Upstream summary: Manu reports: The vulnerability is caused by an insufficient check […]

Read more
FreeBSD 14 — bugzilla — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — bugzilla — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Bugzilla security issues Related CVEs: CVE-2004-1061 CVE-2005-2173 CVE-2005-2174 CVE-2006-0913 CVE-2006-0914 CVE-2006-0915 CVE-2006-0916 CVE-2006-2420  +12 more Upstream summary: Bugzilla Security Advisory A CSRF vulnerability in report.cgi would allow a third-party site […]

Read more
FreeBSD 15 — bugzilla — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — bugzilla — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Bugzilla security issues Related CVEs: CVE-2004-1061 CVE-2005-2173 CVE-2005-2174 CVE-2006-0913 CVE-2006-0914 CVE-2006-0915 CVE-2006-0916 CVE-2006-2420  +12 more Upstream summary: Bugzilla Security Advisory A CSRF vulnerability in report.cgi would allow a third-party site […]

Read more
pr cp 121549 r2

Debian 9 Failed to Fetch Due to Proxy Misconfiguration

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Debian 9 📖 ~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 & […]

Read more
CHAT