Linux

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

SLES 15 — ovmf — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 23 February 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2019:0579-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-12178 CVE-2026-25833 CVE-2026-25835 CVE-2026-34874 CVE-2022-36765 CVE-2022-36764 CVE-2022-36763 CVE-2023-45230  +12 more Upstream summary: Buffer overflow in network stack for EDK II may allow unprivileged user to […]

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Amazon Linux 2 — glib2 — multiple vulnerabilities (17 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — glib2 — multiple vulnerabilities (17 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2025-3117 Related CVEs: CVE-2025-14087 CVE-2025-13601 CVE-2023-29499 CVE-2023-32611 CVE-2023-32636 CVE-2023-32643 CVE-2023-32665 CVE-2020-35457  +9 more Upstream summary: Buffer underflow on Glib through glib/gvariant via bytestring_parse() or string_parse() leads to OOB Write. (CVE-2025-14087) […]

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SLES 16 — mutt — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — mutt — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 23 February 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2018:2084-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-14354 CVE-2018-14360 CVE-2018-14361 CVE-2018-14351 CVE-2018-14357 CVE-2018-14363 CVE-2020-14093 CVE-2020-14154  +12 more Upstream summary: An issue was discovered in Mutt before 1.10.1 and NeoMutt before 2018-07-16. They […]

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Common Problems 114030

RHEL 10 – NetworkManager connection drops caused by incorrect MTU on VLAN – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 22 February 2026 Affected versions: RHEL 10.0 RHEL 10.1 📖 ~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 […]

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AlmaLinux 9 — giflib — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — giflib — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:8859 Related CVEs: CVE-2026-23868 Upstream summary: giflib is a library for reading and writing gif images. Security Fix(es): * giflib: Giflib: Double-free vulnerability leading to memory corruption (CVE-2026-23868) For more details about […]

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AlmaLinux 9 — xorg-x11-server-Xwayland — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — xorg-x11-server-Xwayland — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:11369 Related CVEs: CVE-2026-33999 CVE-2026-34001 CVE-2026-34003 CVE-2025-49175 CVE-2025-49176 CVE-2025-49178 CVE-2025-49179 CVE-2025-49180  +12 more Upstream summary: Xwayland is an X server for running X clients under Wayland. Security Fix(es): * xorg: xwayland: X.Org […]

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AlmaLinux 8 — perl-Text-Balanced — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — perl-Text-Balanced — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:8096 Related CVEs: CVE-2025-40909 CVE-2023-47038 Upstream summary: Perl is a high-level programming language that is commonly used for system administration utilities and web programming. Security Fix(es): * perl: Perl threads have a […]

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Debian 13 — ngtcp2 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — ngtcp2 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 February 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2026-40170 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 […]

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Debian 13 — golang-github-cli-go-gh-v2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — golang-github-cli-go-gh-v2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 February 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2024-53859 CVE-2025-48938 Upstream summary: go-gh is a Go module for interacting with the `gh` utility and the GitHub API from the command line. A security vulnerability has been […]

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Debian 13 — libspreadsheet-parsexlsx-perl — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libspreadsheet-parsexlsx-perl — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 February 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2024-22368 CVE-2024-23525 Upstream summary: The Spreadsheet::ParseXLSX package before 0.28 for Perl can encounter an out-of-memory condition during parsing of a crafted XLSX document. This occurs because the memoize […]

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