Common Problems

FreeBSD 13 — exim-ldap — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — exim-ldap — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 1 May 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: exim — local privilege escalation Related CVEs: CVE-2004-0400 CVE-2005-0021 CVE-2005-0022 CVE-2011-0017 Upstream summary: exim.org reports: CVE-2011-0017 – check return value of setuid/setgid. This is a privilege escalation vulnerability whereby the […]

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FreeBSD 13 — ksh — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — ksh — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 May 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: ksh93 — certain environment variables interpreted as arithmetic expressions on startup, leading to code injection Upstream summary: Upstream ksh93 maintainer Siteshwar Vashisht reports: A flaw was found in the way […]

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

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

🟢 Low   ⏱ 5–15 min  Last verified: 1 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-0706 CVE-2008-5030 Upstream summary: Buffer overflow in discdb.c for grip 3.1.2 allows attackers to cause a denial of service (crash) and possibly execute arbitrary code by causing the […]

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AlmaLinux 8 — mesa — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — mesa — multiple vulnerabilities (9 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-2021:1804 Related CVEs: CVE-2020-14344 CVE-2020-14345 CVE-2020-14346 CVE-2020-14347 CVE-2020-14360 CVE-2020-14361 CVE-2020-14362 CVE-2020-14363  +1 more Upstream summary: X.Org is an open-source implementation of the X Window System. It provides the basic low-level functionality that […]

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Common Problems 120572

Debian 11: Apache returns 503 because PHP-FPM socket is missing

🟠 High   ⏱ 5–30 min  Last verified: 1 May 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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Debian 11 — ltsp — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — ltsp — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-1293 Upstream summary: ldm in Linux Terminal Server Project (LTSP) 0.99 and 2 passes the -ac option to the X server on each LTSP client, which allows remote […]

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FreeBSD 13 — sqwebmail — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — sqwebmail — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 May 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Courier mail services: remotely exploitable buffer overflows Related CVEs: CVE-2004-0224 Upstream summary: The Courier set of mail services use a common Unicode library. This library contains buffer overflows in the […]

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

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

🟢 Low   ⏱ 5–15 min  Last verified: 1 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-18398 CVE-2021-32563 Upstream summary: Xfce Thunar 1.6.15, when Xfce 4.12 is used, mishandles the IBus-Unikey input method for file searches within File Manager, leading to an out-of-bounds read […]

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Gentoo Linux — www-client/epiphany — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — www-client/epiphany — 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-202405-27 Related CVEs: CVE-2022-29536 Upstream summary: A vulnerability has been discovered in Epiphany. Please review the CVE identifier referenced below for details. Table of contents Symptom & Impact Environment & Reproduction Root […]

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Debian 11 — python-requests-kerberos — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — python-requests-kerberos — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-8650 Upstream summary: python-requests-Kerberos through 0.5 does not handle mutual authentication Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution […]

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