Linux

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

Debian 11 — geoip — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 December 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-0159 Upstream summary: Directory traversal vulnerability in the GeoIP_update_database_general function in libGeoIP/GeoIPUpdate.c in GeoIP 1.4.0 allows remote malicious update servers (possibly only update.maxmind.com) to overwrite arbitrary files via […]

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

Debian 11 — pcal — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 December 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-1289 Upstream summary: Multiple buffer overflows in (1) the getline function in pcalutil.c and (2) the get_holiday function in readfile.c for pcal 4.7.1 allow remote attackers to execute […]

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Debian 11 — qpdf — multiple vulnerabilities (18 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — qpdf — multiple vulnerabilities (18 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 10 December 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-9252 CVE-2017-11624 CVE-2017-11625 CVE-2017-11626 CVE-2017-11627 CVE-2017-12595 CVE-2017-18183 CVE-2017-18184  +10 more Upstream summary: An issue was discovered in QPDF before 7.0.0. Endless recursion causes stack exhaustion in QPDFTokenizer::resolveLiteral() in […]

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

Debian 11 — binpac — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 December 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-9586 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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SLES 15 — wavpack — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — wavpack — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 10 December 2021 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2021:0186-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-10536 CVE-2018-10537 CVE-2018-6767 CVE-2020-35738 CVE-2021-44269 CVE-2018-10538 CVE-2018-10539 CVE-2018-10540  +7 more Upstream summary: An issue was discovered in WavPack 5.1.0 and earlier. The WAV parser component […]

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How to Configure PHP Session Handling on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Configure PHP Session Handling on CentOS Stream 9

Introduction CentOS Stream 9 ships with a stable, security-hardened base that makes deploying configure php session handling on centos stream 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Configure PHP Session Handling on CentOS Stream 9, including dnf module streams where applicable, systemd unit management, and the firewalld rules […]

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AlmaLinux 8 — http-parser — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — http-parser — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALEA-2020:1607 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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AlmaLinux 8 — scap-workbench — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — scap-workbench — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2021:1936 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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