Package Management

Debian 11 — lookup-el — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — lookup-el — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 5 July 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-0237 Upstream summary: The ndeb-binary feature in Lookup (lookup-el) allows local users to overwrite arbitrary files via a symlink attack on temporary files. Table of contents Symptom & […]

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

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

🟢 Low   ⏱ 5–15 min  Last verified: 5 July 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-0296 CVE-2015-1191 Upstream summary: Race condition in pigz before 2.2.5 uses permissions derived from the umask when compressing a file before setting that file's permissions to match those […]

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Ubuntu 20.04 — linux-hwe-5.11 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — linux-hwe-5.11 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 5 July 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5219-1 Related CVEs: CVE-2021-4204 https://launchpad.net/bugs/1956585 CVE-2021-20321 CVE-2021-3760 CVE-2021-4002 CVE-2021-41864 CVE-2021-43056 CVE-2021-43267  +12 more Upstream summary: It was discovered that the eBPF implementation in the Linux kernel did not properly validate […]

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Amazon Linux 2 — kernel-livepatch-5.10.50-44.132 — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-5.10.50-44.132 — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2LIVEPATCH-2021-066 Related CVEs: CVE-2021-41073 Upstream summary: No CVE associated with this advisory Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – […]

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FreeBSD 13 — dovecot — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — dovecot — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 5 July 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Dovecot — DoS Related CVEs: CVE-2008-4577 CVE-2008-4578 CVE-2009-3897 CVE-2011-1929 CVE-2017-15132 CVE-2017-2669 CVE-2019-10691 CVE-2019-11494  +12 more Upstream summary: Dovecot reports: A DoS is possible with a large number of address headers […]

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FreeBSD 13 — apache+mod_ssl+mod_deflate+ipv — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

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

🟡 Medium   ⏱ 10–30 min  Last verified: 4 July 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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FreeBSD 13 — opendkim — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 13

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

🟢 Low   ⏱ 5–15 min  Last verified: 4 July 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: DomainKeys Identified Mail (DKIM) Verifiers may inappropriately convey message trust Upstream summary: US-CERT reports: DomainKeys Identified Mail (DKIM) Verifiers may inappropriately convey message trust when messages are signed using test […]

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AlmaLinux 8 — sil-nuosu-fonts — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — sil-nuosu-fonts — 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-2021:4164 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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Oracle Linux 8 — GStreamer, libmad, and SDL security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — GStreamer, libmad, and SDL security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2020-1631)

🟢 Low   ⏱ 5–15 min  Last verified: 4 July 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-1631 Related CVEs: CVE-2018-7263 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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