Common Problems

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: 27 December 2021 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: 27 December 2021 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: 27 December 2021 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: 27 December 2021 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: 27 December 2021 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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Debian 11 — ruby-redis-store — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — ruby-redis-store — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 December 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-1000248 Upstream summary: Redis-store <=v1.3.0 allows unsafe objects to be loaded from redis Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

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

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

🟢 Low   ⏱ 5–15 min  Last verified: 27 December 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-11728 CVE-2020-11729 Upstream summary: An issue was discovered in DAViCal Andrew's Web Libraries (AWL) through 0.60. Session management does not use a sufficiently hard-to-guess session key. Anyone who […]

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

Debian 11 — dcmtk — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 27 December 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-6825 CVE-2015-8979 CVE-2019-1010228 CVE-2020-36855 CVE-2021-41687 CVE-2021-41688 CVE-2021-41689 CVE-2021-41690  +12 more Upstream summary: (1) movescu.cc and (2) storescp.cc in dcmnet/apps/, (3) dcmnet/libsrc/scp.cc, (4) dcmwlm/libsrc/wlmactmg.cc, (5) dcmprscp.cc and (6) dcmpsrcv.cc […]

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Debian 11 — graphite2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — graphite2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 27 December 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-1521 CVE-2016-1522 CVE-2016-1523 CVE-2016-1526 CVE-2016-1969 CVE-2016-1977 CVE-2016-2790 CVE-2016-2791  +12 more Upstream summary: The directrun function in directmachine.cpp in Libgraphite in Graphite 2 1.2.4, as used in Mozilla Firefox […]

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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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CHAT