Common Problems

Common Problems 118593

Ubuntu 16.04 LTS – rsyslog forwarding fails to remote SIEM – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 16 October 2021 Affected versions: Ubuntu 16.04 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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FreeBSD 13 — mupdf — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — mupdf — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 October 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mupdf — multiple vulnerabilities Related CVEs: CVE-2016-6265 CVE-2016-6525 Upstream summary: Tobias Kortkamp reports: Heap-based buffer overflow in the pdf_load_mesh_params function in pdf/pdf-shade.c in MuPDF allows remote attackers to cause a […]

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Common Problems 117616

Ubuntu 20.04 Locale Warnings in Terminal

🟡 Medium   ⏱ 5–30 min  Last verified: 16 October 2021 📖 ~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 & Cross-Refs References & Further […]

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

Debian 11 — lapack — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-4048 Upstream summary: An out-of-bounds read flaw was found in the CLARRV, DLARRV, SLARRV, and ZLARRV functions in lapack through version 3.10.0, as also used in OpenBLAS before […]

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

Debian 11 — jags — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-3736 Upstream summary: ltdl.c in libltdl in GNU Libtool 1.5.x, and 2.2.6 before 2.2.6b, as used in Ham Radio Control Libraries, Q, and possibly other products, attempts to […]

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Debian 11 — ez-ipupdate — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — ez-ipupdate — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-0980 Upstream summary: Format string vulnerability in ez-ipupdate.c for ez-ipupdate 3.0.10 through 3.0.11b8, when running in daemon mode with certain service types in use, allows remote servers to […]

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Debian 11 — xserver-xorg-video-nouveau — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — xserver-xorg-video-nouveau — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-3979 Upstream summary: A remote denial-of-service vulnerability exists in the way the Nouveau Display Driver (the default Ubuntu Nvidia display driver) handles GPU shader execution. A specially crafted […]

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AlmaLinux 8 — gd — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — gd — multiple vulnerabilities (3 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-2020:4659 Related CVEs: CVE-2018-14553 CVE-2019-6977 CVE-2019-6978 Upstream summary: GD is an open source code library for the dynamic creation of images by programmers. GD creates PNG, JPEG, GIF, WebP, XPM, BMP images, […]

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Debian 11 — spice — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — spice — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 16 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-4130 CVE-2013-4282 CVE-2015-3247 CVE-2015-5260 CVE-2015-5261 CVE-2016-0749 CVE-2016-2150 CVE-2016-9577  +7 more Upstream summary: The (1) red_channel_pipes_add_type and (2) red_channel_pipes_add_empty_msg functions in server/red_channel.c in SPICE before 0.12.4 do not properly […]

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Debian 11 — supervisor — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — supervisor — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-11610 CVE-2019-12105 Upstream summary: The XML-RPC server in supervisor before 3.0.1, 3.1.x before 3.1.4, 3.2.x before 3.2.4, and 3.3.x before 3.3.3 allows remote authenticated users to execute arbitrary […]

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