IT, Cloud & DevOps Blog

CentOS Stream 10 — poppler — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 10

CentOS Stream 10 — poppler — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: CentOS Stream 10 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2026:0128 Related CVEs: CVE-2025-32365 Upstream summary: Poppler is a Portable Document Format (PDF) rendering library, used by applications such as Evince. Security Fix(es): * poppler: Out-of-Bounds Read in Poppler (CVE-2025-32365) For […]

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SLES 12 — munge — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — munge — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory RHSA-2026:2918 (see also SUSE bugzilla) Related CVEs: CVE-2026-25506 CVE-2019-3691 Upstream summary: MUNGE is an authentication service for creating and validating user credentials. From 0.5 to 0.5.17, local attacker can exploit a buffer […]

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

SLES 15 — xen — 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 advisory SUSE-SU-2016:0010-1 (see also SUSE bugzilla) Related CVEs: CVE-2015-7512 CVE-2015-8104 CVE-2025-54518 CVE-2026-23558 CVE-2026-23554 CVE-2026-23555 CVE-2025-27466 CVE-2025-58142  +12 more Upstream summary: Buffer overflow in the pcnet_receive function in hw/net/pcnet.c in QEMU, when a guest […]

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SLES 16 — kea — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — kea — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory RHSA-2025:21038 (see also SUSE bugzilla) Related CVEs: CVE-2025-11232 CVE-2026-3608 CVE-2025-40779 CVE-2025-32801 CVE-2025-32802 CVE-2025-32803 Upstream summary: To trigger the issue, three configuration parameters must have specific settings: "hostname-char-set" must be left at the […]

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Oracle Linux 8 — nss — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — nss — vulnerability — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-4903 Related CVEs: CVE-2021-43527 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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Oracle Linux 9 — GraalVM — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — GraalVM — vulnerability — patch and remediation guide (ELSA-2023-12680)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-12680 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 […]

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Oracle Linux 10 – SSH public key login denied by SELinux context mismatch – Fix & Prevention

🟠 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 […]

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FreeBSD 12 — rt — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — rt — 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: RT — XSS via calendar invitations Related CVEs: CVE-2009-3585 CVE-2011-0009 CVE-2011-1685 CVE-2011-1686 CVE-2011-1687 CVE-2011-1688 CVE-2011-1689 CVE-2011-1690  +12 more Upstream summary: Mateusz Szymaniec and CERT Polska Reports: RT is vulnerable to […]

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

FreeBSD 13 — rt — 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: RT — XSS via calendar invitations Related CVEs: CVE-2009-3585 CVE-2011-0009 CVE-2011-1685 CVE-2011-1686 CVE-2011-1687 CVE-2011-1688 CVE-2011-1689 CVE-2011-1690  +12 more Upstream summary: Mateusz Szymaniec and CERT Polska Reports: RT is vulnerable to […]

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FreeBSD 14 — mozilla-gtk — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — mozilla-gtk — 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: firefox & mozilla — multiple vulnerabilities Related CVEs: CVE-2004-0597 CVE-2004-0598 CVE-2004-0599 CVE-2004-0717 CVE-2004-0718 CVE-2004-0721 CVE-2004-0722 CVE-2004-0758  +12 more Upstream summary: A Mozilla Foundation Security Advisory reports of multiple issues: Heap […]

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