chris

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

Debian 13 — merkaartor — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 July 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-4193 Upstream summary: Merkaartor 0.14 allows local users to append data to arbitrary files via a symlink attack on the /tmp/merkaartor.log temporary file. Table of contents Symptom & […]

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Debian 11 — python-jwcrypto — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — python-jwcrypto — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 1 July 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-6298 CVE-2023-6681 CVE-2024-28102 CVE-2026-39373 Upstream summary: The _Rsa15 class in the RSA 1.5 algorithm implementation in jwa.py in jwcrypto before 0.3.2 lacks the Random Filling protection mechanism, which […]

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Common Problems 116137

apt over IPv6 fails while IPv4 path works

🟡 Medium   ⏱ 5–30 min  Last verified: 1 July 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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Windows Server 2019 — KB5066791 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5066791 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5066791 • MSRC update-guide entry Related CVEs: CVE-2025-49708 CVE-2016-9535 CVE-2025-64679 CVE-2025-64680 CVE-2025-62208 CVE-2025-62209 CVE-2025-24990 CVE-2025-24052  +12 more Affected components: Windows Server 2019 (Server Core installation) Microsoft summary: Use after free in Microsoft […]

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Debian 13 — node-shelljs — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — node-shelljs — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 July 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-0144 Upstream summary: shelljs is vulnerable to Improper Privilege Management Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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openSUSE Leap 15.6 — doomsday — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — doomsday — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2025:0113-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-2592 Upstream summary: A vulnerability, which was classified as critical, has been found in Open Asset Import Library Assimp 5.4.3. This issue affects the […]

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

Debian 13 — xotcl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 July 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-3720 Upstream summary: The updatePosition function in lib/xmltok_impl.c in libexpat in Expat 2.0.1, as used in Python, PyXML, w3c-libwww, and other software, allows context-dependent attackers to cause a […]

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Ubuntu 24.04 — python-marshmallow — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — python-marshmallow — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 July 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8225-1 Related CVEs: CVE-2025-68480 CVE-2018-17175 Upstream summary: Jared Deckard discovered that Python marshmallow did not correctly handle hiding certain fields. An attacker could possibly use this issue to leak sensitive […]

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Ubuntu 18.04 — pyasn1 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — pyasn1 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 July 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8134-1 Related CVEs: CVE-2026-30922 CVE-2026-23490 Upstream summary: It was discovered that pyasn1 could exhaust system resources when attempting to decode a malformed certificate. An attacker could possibly use this to […]

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Ubuntu 20.04 — openjdk-8 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — openjdk-8 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 1 July 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8000-1 Related CVEs: CVE-2026-21932 CVE-2026-21925 CVE-2026-21933 CVE-2026-21945 CVE-2025-53057 CVE-2025-53066 CVE-2025-30749 CVE-2025-30761  +12 more Upstream summary: It was discovered that the RMI component of OpenJDK 8 would establish RMI TCP endpoint […]

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CHAT