Common Problems

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

Debian 11 — asterisk — multiple vulnerabilities (20 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-2003-0761 CVE-2003-0779 CVE-2005-2081 CVE-2005-3559 CVE-2006-1827 CVE-2006-2898 CVE-2006-4345 CVE-2006-4346  +12 more Upstream summary: Buffer overflow in the get_msg_text of chan_sip.c in the Session Initiation Protocol (SIP) protocol implementation for […]

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Debian 11 — php7.4 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — php7.4 — multiple vulnerabilities (20 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-2019-11048 CVE-2020-7059 CVE-2020-7060 CVE-2020-7062 CVE-2020-7063 CVE-2020-7064 CVE-2020-7065 CVE-2020-7066  +12 more Upstream summary: In PHP versions 7.2.x below 7.2.31, 7.3.x below 7.3.18 and 7.4.x below 7.4.6, when HTTP file […]

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Arch Linux — websvn — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — websvn — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202105-16 Related CVEs: CVE-2021-32305 Upstream summary: Type: arbitrary command execution. Status: Fixed. Affected: 2.5-1. Fixed in: 2.6.1-1. Group: AVG-1969. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Oracle Linux 8 — gdb — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — gdb — security and stability fixes — required update (ELSA-2020-1635)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-1635 Related CVEs: CVE-2019-1010180 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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FreeBSD 13 — php5-dom — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — php5-dom — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: php5 — multiple vulnerabilities Related CVEs: CVE-2015-4643 CVE-2015-4644 Upstream summary: The PHP project reports: DOM and GD: Fixed bug #69719 (Incorrect handling of paths with NULs). FTP: Improved fix for […]

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FreeBSD 13 — py311-pygments — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py311-pygments — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-pygments — multiple DoS vulnerabilities Related CVEs: CVE-2021-20270 CVE-2021-27291 Upstream summary: Red Hat reports: An infinite loop in SMLLexer in Pygments versions 1.5 to 2.7.3 may lead to denial of […]

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Common Problems 117395

APT Lock File Held by unattended-upgrades

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: 20.04 📖 ~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 & Cross-Refs […]

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

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

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: mysql — SSL Downgrade Related CVEs: CVE-2015-3152 Upstream summary: Duo Security reports: Researchers have identified a serious vulnerability in some versions of Oracle’s MySQL database product that allows an attacker […]

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FreeBSD 13 — ruby22-gems — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — ruby22-gems — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: rubygems — deserialization vulnerability Related CVEs: CVE-2015-3900 CVE-2017-0903 Upstream summary: oss-security mailing list: There is a possible unsafe object desrialization vulnerability in RubyGems. It is possible for YAML deserialization of […]

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

Debian 11 — sleekxmpp — 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-2017-5591 Upstream summary: An incorrect implementation of "XEP-0280: Message Carbons" in multiple XMPP clients allows a remote attacker to impersonate any user, including contacts, in the vulnerable application's […]

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CHAT