Common Problems

Common Problems 120571

Debian 11 – ext4 Filesystem Remounts Read-Only – Root Cause and Repair

🔴 Critical   ⏱ 5–30 min  Last verified: 13 March 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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FreeBSD 13 — apache+mod_ssl+mod_snmp — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — apache+mod_ssl+mod_snmp — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 13 March 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: apache — Prevent chunk-size integer overflow on platforms where sizeof(int) < sizeof(long) Related CVEs: CVE-2005-2088 CVE-2005-3352 CVE-2006-3747 Upstream summary: Apache ChangeLog reports: Integer overflow in the ap_proxy_send_fb function in proxy/proxy_util.c […]

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Alpine Linux edge — swayr — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — swayr — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0.16.1-r0 📖 ~4 min read  •  Source: Alpine secdb entry — swayr 0.16.1-r0 Related CVEs: CVE-2022-24713 Upstream summary: Alpine community repository for vedge ships swayr 0.16.1-r0 which addresses CVE-2022-24713. Table of contents Symptom & Impact Environment […]

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FreeBSD 13 — zabbix2-agent — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — zabbix2-agent — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 March 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: zabbix — shell command injection vulnerability Related CVEs: CVE-2013-6824 Upstream summary: Recurity Labs Team project reports: Zabbix agent is vulnerable to remote command execution from the Zabbix server in some […]

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FreeBSD 13 — php5-filter — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — php5-filter — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 March 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: php-filter — Denial of Service Related CVEs: CVE-2010-3710 Upstream summary: The following DoS condition in filter extension was fixed in PHP 5.3.4 and PHP 5.2.15: Stack consumption vulnerability in the […]

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

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

🟢 Low   ⏱ 5–15 min  Last verified: 13 March 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-9862 CVE-2020-14315 Upstream summary: Integer signedness error in bspatch.c in bspatch in bsdiff, as used in Apple OS X before 10.11.6 and other products, allows remote attackers to […]

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Amazon Linux 2 — transfig — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — transfig — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2023-2173 Related CVEs: CVE-2020-21682 CVE-2021-32280 CVE-2021-3561 CVE-2019-19746 CVE-2019-19797 Upstream summary: 2023-08-03: CVE-2021-32280 was added to this advisory. A global buffer overflow in the set_fill component in genge.c of fig2dev 3.2.7b […]

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Gentoo Linux — app-text/qpdf — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — app-text/qpdf — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202401-20 Related CVEs: CVE-2021-36978 Upstream summary: A vulnerability has been discovered in QPDF. Please review the CVE identifier referenced below for details. Table of contents Symptom & Impact Environment & Reproduction Root […]

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