Linux

Ubuntu 20.04 — php-league-commonmark — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — php-league-commonmark — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 19 January 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8194-1 Related CVEs: CVE-2026-33347 CVE-2025-46734 CVE-2026-30838 Upstream summary: It was discovered that league/commonmark did not properly restrict unsafe attributes when the Attributes extension was enabled. An attacker could possibly use […]

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Ubuntu 22.04 — nghttp2 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — nghttp2 — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 19 January 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8233-1 Related CVEs: CVE-2026-27135 CVE-2019-9511 CVE-2019-9513 CVE-2023-44487 CVE-2024-28182 Upstream summary: Andrew MacPherson discovered that nghttp2 did not properly validate internal state when the session termination API was called. A remote […]

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Red Hat Enterprise Linux 9 — kpatch-patch — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 9

Red Hat Enterprise Linux 9 — kpatch-patch — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 9 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:19577 Related CVEs: CVE-2026-43284 CVE-2026-31431 CVE-2025-40248 CVE-2025-68285 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix […]

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SLES 16 — rust-keylime — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — rust-keylime — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 19 January 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2025:02809-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-32650 CVE-2025-58266 CVE-2023-26964 Upstream summary: Rustls is a modern TLS library written in Rust. `rustls::ConnectionCommon::complete_io` could fall into an infinite loop based on network input. […]

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SLES 16 — perl-Convert-ASN1 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — perl-Convert-ASN1 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 19 January 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2021:0172-1 (see also SUSE bugzilla) Related CVEs: CVE-2013-7488 Upstream summary: perl-Convert-ASN1 (aka the Convert::ASN1 module for Perl) through 0.27 allows remote attackers to cause an infinite loop via unexpected input. Table of […]

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SLES 16 — perl-Config-IniFiles — vulnerability — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — perl-Config-IniFiles — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 January 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2012-2451 Upstream summary: The Config::IniFiles module before 2.71 for Perl creates temporary files with predictable names, which allows local users to overwrite arbitrary files via […]

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Fedora 42 — SDL2_image — vulnerability — patch and remediation guide — diagnosis and fix on Fedora 42

Fedora 42 — SDL2_image — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Fedora 42 📖 ~4 min read  •  Source: Fedora update FEDORA-2026-8ac58f5cf3 Related CVEs: CVE-2026-35444 Upstream summary: Update to bugfix release 2.8.12. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution […]

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Oracle Linux 10 — python-requests — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — python-requests — vulnerability — patch and remediation guide (ELSA-2025-13604)

🟡 Medium   ⏱ 10–30 min  Last verified: 19 January 2026 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-13604 Related CVEs: CVE-2024-47081 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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Rocky Linux 8 — freerdp — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Rocky Linux 8

Rocky Linux 8 — freerdp — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 8 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2026:8945 Related CVEs: CVE-2026-33983 CVE-2026-33984 CVE-2026-22852 CVE-2026-22854 CVE-2026-22856 CVE-2026-23732 CVE-2026-23948 CVE-2026-24491  +12 more Upstream summary: FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache […]

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CentOS Stream 10 — iperf3 — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 10

CentOS Stream 10 — iperf3 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 19 January 2026 Affected versions: CentOS Stream 10 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2026:1597 Related CVEs: CVE-2025-54349 Upstream summary: Iperf is a tool which can measure maximum TCP bandwidth and tune various parameters and UDP characteristics. Iperf reports bandwidth, delay jitter, and data-gram loss. […]

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