Linux

Debian 12 — libapache-session-browseable-perl — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libapache-session-browseable-perl — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 12 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-36659 CVE-2026-8503 Upstream summary: In Apache::Session::Browseable before 1.3.6, validity of the X.509 certificate is not checked by default when connecting to remote LDAP backends, because the default configuration […]

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Ubuntu 24.04 — python-multipart — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — python-multipart — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 12 May 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8027-1 Related CVEs: CVE-2026-24486 CVE-2024-53981 CVE-2024-24762 Upstream summary: It was discovered that Python-Multipart incorrectly handled certain regular expressions. An attacker could possibly use this issue to cause Python-Multipart to consume […]

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Common Problems 115911

Ubuntu 26.04 LTS – do-release-upgrade fails because of third-party repositories – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 12 May 2026 Affected versions: Ubuntu 26.04 LTS 📖 ~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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Ubuntu 22.04 — node-katex — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — node-katex — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 12 May 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7572-1 Related CVEs: CVE-2024-28246 CVE-2024-28245 CVE-2025-23207 CVE-2024-28243 Upstream summary: Juho Forsén discovered that KaTeX did not correctly handle certain inputs, which could lead to an infinite loop. If a user […]

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Ubuntu 22.04 — mako — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — mako — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 12 May 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8234-1 Related CVEs: CVE-2026-41205 CVE-2022-40023 Upstream summary: It was discovered that Mako incorrectly handled URIs with double-slash prefixes in TemplateLookup. A remote attacker could possibly use this issue to obtain […]

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Ubuntu 16.04 — gst-plugins-base1.0 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — gst-plugins-base1.0 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 12 May 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7827-1 Related CVEs: CVE-2025-47808 CVE-2025-47806 CVE-2025-47807 CVE-2024-47542 CVE-2023-37328 CVE-2024-47615 CVE-2024-47538 CVE-2024-47607  +12 more Upstream summary: Shaun Mirani discovered that GStreamer Base Plugins did not correctly handle certain memory operations. An […]

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AlmaLinux 8 — netavark — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — netavark — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:4672 Related CVEs: CVE-2025-61726 CVE-2025-61728 CVE-2025-68121 CVE-2024-24785 CVE-2025-61729 CVE-2025-65637 CVE-2025-47913 CVE-2025-52881  +12 more Upstream summary: The container-tools module contains tools for working with containers, notably podman, buildah, skopeo, and runc. Security Fix(es): […]

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SLES 16 — libunwind8 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — libunwind8 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 12 May 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2019:0284-1 (see also SUSE bugzilla) Related CVEs: CVE-2015-3239 Upstream summary: Off-by-one error in the dwarf_to_unw_regnum function in include/dwarf_i.h in libunwind 1.1 allows local users to have unspecified impact via invalid dwarf opcodes. […]

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Oracle Linux 10 — nfs-utils — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — nfs-utils — vulnerability — patch and remediation guide (ELSA-2026-3939)

🟡 Medium   ⏱ 10–30 min  Last verified: 12 May 2026 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-3939 Related CVEs: CVE-2025-12801 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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Fedora 42 — openssh — vulnerability — patch and remediation guide — diagnosis and fix on Fedora 42

Fedora 42 — openssh — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Fedora 42 📖 ~4 min read  •  Source: Fedora update FEDORA-2026-d08c298940 Related CVEs: CVE-2026-35385 Upstream summary: Fixes high severity CVE: – CVE-2026-35385: Fix privilege escalation via scp legacy protocol when not in preserving file mode Table of contents Symptom & Impact Environment […]

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