Common Problems

Debian 11 — libapache2-mod-python — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libapache2-mod-python — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-2680 CVE-2005-0088 Upstream summary: mod_python (libapache2-mod-python) 3.1.4 and earlier does not properly handle when output filters process more than 16384 bytes, which can cause filter.read to return portions […]

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Debian 10 — python-aiohttp — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — python-aiohttp — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 April 2022 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-21330 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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Common Problems 120672

Debian 11 – KVM Bridge Networking Stops Passing Traffic – Host Bridge Repair

🟠 High   ⏱ 5–30 min  Last verified: 8 April 2022 Affected versions: Debian 11 📖 ~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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Gentoo Linux — media-libs/libsndfile — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — media-libs/libsndfile — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202309-11 Related CVEs: CVE-2021-3246 CVE-2021-4156 CVE-2017-14245 CVE-2017-14246 CVE-2019-3832 Upstream summary: Multiple vulnerabilities have been discovered in libsndfile. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact […]

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Debian 11 — gst-plugins-bad1.0 — multiple vulnerabilities (18 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — gst-plugins-bad1.0 — multiple vulnerabilities (18 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 8 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-9445 CVE-2016-9446 CVE-2016-9809 CVE-2016-9812 CVE-2016-9813 CVE-2017-5843 CVE-2017-5848 CVE-2021-3185  +10 more Upstream summary: Integer overflow in the vmnc decoder in the gstreamer allows remote attackers to cause a denial […]

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Debian 11 — stalin — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — stalin — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-8697 Upstream summary: stalin 0.11-5 allows local users to write to arbitrary files. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

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CentOS Stream 9 — protobuf-c — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — protobuf-c — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 8 April 2022 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2023:6621 Related CVEs: CVE-2022-48468 Upstream summary: The protobuf-c packages provide C bindings for Google's Protocol Buffers. Security Fix(es): * protobuf-c: unsigned integer overflow in parse_required_member (CVE-2022-48468) For more details about the […]

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CentOS Stream 9 — gcc-toolset-14-gcc — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — gcc-toolset-14-gcc — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 8 April 2022 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2025:1300 Related CVEs: CVE-2020-11023 Upstream summary: The gcc-toolset-14-gcc13 package contains the GNU Compiler Collection version 14. Security Fix(es): * jquery: Untrusted code execution via <option> tag in HTML passed to DOM […]

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Common Problems 113070

Windows Server 2016 — RDP unreachable because TCP 3389 is blocked by firewall policy — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 8 April 2022 Affected versions: Windows Server 2016 📖 ~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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SLES 12 — rpm — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — rpm — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 8 April 2022 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2019:695-1 (see also SUSE bugzilla) Related CVEs: CVE-2014-8118 CVE-2017-7500 CVE-2017-7501 CVE-2021-3421 CVE-2013-6435 CVE-2021-20266 CVE-2021-20271 Upstream summary: Integer overflow in RPM 4.12 and earlier allows remote attackers to execute arbitrary code via a […]

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