Common Problems

Debian 11 — mapcache — multiple vulnerabilities (17 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — mapcache — multiple vulnerabilities (17 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 21 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-20005 CVE-2019-20006 CVE-2019-20007 CVE-2019-20198 CVE-2019-20199 CVE-2019-20200 CVE-2019-20201 CVE-2019-20202  +9 more Upstream summary: An issue was discovered in ezXML 0.8.3 through 0.8.6. The function ezxml_decode, while parsing a crafted […]

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AlmaLinux 8 — gcc-toolset-11-elfutils — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — gcc-toolset-11-elfutils — 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-2022:1802 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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Debian 11 — isc-dhcp — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — isc-dhcp — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 21 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-1892 CVE-2010-2156 CVE-2010-3611 CVE-2011-0413 CVE-2011-0997 CVE-2011-2748 CVE-2011-2749 CVE-2011-4539  +12 more Upstream summary: dhcpd in ISC DHCP 3.0.4 and 3.1.1, when the dhcp-client-identifier and hardware ethernet configuration settings are […]

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Debian 11 — glib2.0 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — glib2.0 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 21 April 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2006-7225 CVE-2006-7226 CVE-2007-1659 CVE-2007-1660 CVE-2007-1661 CVE-2007-1662 CVE-2007-4766 CVE-2007-4767  +12 more Upstream summary: Perl-Compatible Regular Expression (PCRE) library before 6.7 allows context-dependent attackers to cause a denial of service […]

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Ubuntu 20.04 — gupnp — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — gupnp — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 April 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4970-1 Related CVEs: CVE-2021-33516 CVE-2020-12695 Upstream summary: It was discovered that GUPnP incorrectly filtered local requests. If a user were tricked into visiting a malicious website, a remote attacker could […]

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Ubuntu 14.04 — heimdal — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — heimdal — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 21 April 2022 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5849-1 Related CVEs: CVE-2022-45142 CVE-2021-44758 CVE-2022-3437 CVE-2022-42898 CVE-2022-44640 CVE-2022-41916 CVE-2018-16860 CVE-2019-12098  +3 more Upstream summary: Helmut Grohne discovered that Heimdal GSSAPI incorrectly handled logical conditions that are related to memory […]

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Oracle Linux 8 — libtiff — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — libtiff — vulnerability — patch and remediation guide (ELSA-2024-3059)

🟡 Medium   ⏱ 10–30 min  Last verified: 21 April 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-3059 Related CVEs: CVE-2022-4645 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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IBM AIX 7.3 — CVE-2007-4792 — buffer overflow — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2007-4792 — buffer overflow — patch and remediation guide

🟠 High   ⏱ 30–90 min  Last verified: 21 April 2022 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2007-4792, IBM Support Bulletin CVE: CVE-2007-4792 NVD summary: Buffer overflow in ibstat in devices.common.IBM.ib.rte in IBM AIX 5.3 allows local users to gain privileges via unspecified vectors. References: secunia.com/advisories/26715   www-1.ibm.com/support/docview.wss?uid=isg1IY9723   […]

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Alpine Linux edge — rabbitmq-server — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — rabbitmq-server — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 3.9.1-r0 📖 ~4 min read  •  Source: Alpine secdb entry — rabbitmq-server 3.9.1-r0 Related CVEs: CVE-2021-32719 CVE-2015-9251 CVE-2017-16012 CVE-2019-11358 Upstream summary: Alpine community repository for vedge ships rabbitmq-server 3.9.1-r0 which addresses CVE-2021-32719. Table of contents Symptom […]

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Common Problems 120565

Debian 11 Filesystem Remounted Read-Only After Error

🟠 High   ⏱ 5–30 min  Last verified: 21 April 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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