October 2021 - Page 59 of 69

Debian 10 — lib3mf — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — lib3mf — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-21772 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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Debian 11 — python-aioxmpp — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — python-aioxmpp — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-1000007 Upstream summary: aioxmpp version 0.10.2 and earlier contains a Improper Handling of Structural Elements vulnerability in Stanza Parser, rollback during error processing, aioxmpp.xso.model.guard function that can result […]

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Debian 11 — advi — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — advi — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-2295 CVE-2009-2660 CVE-2009-3296 Upstream summary: Multiple integer overflows in CamlImages 2.2 and earlier might allow context-dependent attackers to execute arbitrary code via a crafted PNG image with large […]

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Debian 11 — network-manager — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — network-manager — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2006-7246 CVE-2009-0365 CVE-2011-2176 CVE-2012-2736 CVE-2015-0272 CVE-2015-2924 CVE-2016-0764 CVE-2018-1000135  +4 more Upstream summary: NetworkManager 0.9.x does not pin a certificate's subject to an ESSID when 802.11X authentication is used. […]

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Debian 11 — libnl3 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libnl3 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-0553 Upstream summary: An elevation of privilege vulnerability in libnl could enable a local malicious application to execute arbitrary code within the context of the Wi-Fi service. This […]

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How to Enable Brotli and Gzip Compression in Nginx on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Enable Brotli and Gzip Compression in Nginx on RHEL 8

Compression reduces the byte size of HTTP responses, lowering bandwidth consumption and improving page load times. Nginx ships with built-in Gzip support through ngx_http_gzip_module, but Gzip has largely been superseded by Brotli for text content — the Brotli algorithm typically achieves 15–25% better compression ratios at equivalent CPU cost. On RHEL 8, Gzip requires only […]

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

Debian 11 — fontconfig — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-5384 Upstream summary: fontconfig before 2.12.1 does not validate offsets, which allows local users to trigger arbitrary free calls and consequently conduct double free attacks and execute arbitrary […]

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

Debian 11 — libpgf — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-6673 Upstream summary: Use-after-free vulnerability in Decoder.cpp in libpgf before 6.15.32. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution […]

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Debian 11 — lua-cgi — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — lua-cgi — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-2875 Upstream summary: The session.lua library in CGILua 5.2 alpha 1 and 5.2 alpha 2 uses weak session IDs generated based on OS time, which allows remote attackers […]

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Debian 11 — php-horde-ingo — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — php-horde-ingo — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-6275 Upstream summary: Multiple CSRF issues in Horde Groupware Webmail Edition 5.1.2 and earlier in basic.php. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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