Logging Monitoring

Amazon Linux 2 — ctags — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — ctags — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2023-2343 Related CVEs: CVE-2022-4515 Upstream summary: A flaw was found in Exuberant Ctags in the way it handles the "-o" option. This option specifies the tag filename. A crafted tag […]

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Gentoo Linux — net-mail/fetchmail — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — net-mail/fetchmail — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202209-14 Related CVEs: CVE-2021-36386 CVE-2021-39272 Upstream summary: Multiple vulnerabilities have been discovered in Fetchmail. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & Reproduction […]

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Rocky Linux 10 — firefox — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Rocky Linux 10

Rocky Linux 10 — firefox — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 10 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2026:10767 Related CVEs: CVE-2026-6746 CVE-2026-6747 CVE-2026-6748 CVE-2026-6749 CVE-2026-6750 CVE-2026-6751 CVE-2026-6752 CVE-2026-6753  +12 more Upstream summary: Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security […]

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Alpine Linux 3.18 — py3-urllib3 — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — py3-urllib3 — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 1.26.4-r0 📖 ~4 min read  •  Source: Alpine secdb entry — py3-urllib3 1.26.4-r0 Related CVEs: CVE-2021-28363 CVE-2023-45803 CVE-2023-43804 CVE-2020-26137 Upstream summary: Alpine main repository for vv3.18 ships py3-urllib3 1.26.4-r0 which addresses CVE-2021-28363. Table of contents Symptom […]

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NetBSD 9.4 — lha — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — lha — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2006-4337 CVE-2006-4335 CVE-2006-4338 Upstream summary: pkgsrc audit-packages flagged lha<1.14i for vulnerability class 'local-code-execution'. Reference: http://www2m.biglobe.ne.jp/~dolphin/lha/lha-unix.htm Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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Windows Server 2016 — KB5022842 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5022842 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5022842 • MSRC update-guide entry Related CVEs: CVE-2023-21689 CVE-2023-21690 CVE-2023-21692 CVE-2023-21684 CVE-2023-21701 CVE-2023-21797 CVE-2023-21798 CVE-2023-21799  +12 more Affected components: Windows Server 2016 Table of contents Symptom & Impact Environment & Reproduction Root […]

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openSUSE Leap 15.6 — go1.26 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — go1.26 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2026:0876-1 (see also SUSE bugzilla) Related CVEs: CVE-2026-27138 CVE-2026-27137 Upstream summary: Certificate verification can panic when a certificate in the chain has an empty DNS name and another certificate in the […]

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AlmaLinux 8 — jackson-module-jaxb-annotations — multiple vulnerabilities (17 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — jackson-module-jaxb-annotations — multiple vulnerabilities (17 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2019:2720 Related CVEs: CVE-2019-12384 CVE-2018-11784 CVE-2018-8014 CVE-2018-8034 CVE-2018-8037 CVE-2019-14540 CVE-2019-16335 CVE-2019-16942  +9 more Upstream summary: The Public Key Infrastructure (PKI) Deps module contains fundamental packages required as dependencies for the pki-core module […]

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Amazon Linux 2 — re2c — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — re2c — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2023-2344 Related CVEs: CVE-2022-23901 Upstream summary: A stack overflow re2c 2.2 exists due to infinite recursion issues in src/dfa/dead_rules.cc. (CVE-2022-23901) Table of contents Symptom & Impact Environment & Reproduction Root […]

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Gentoo Linux — www-servers/puma — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — www-servers/puma — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202208-28 Related CVEs: CVE-2021-29509 CVE-2021-41136 CVE-2022-23634 CVE-2022-24790 Upstream summary: Multiple vulnerabilities have been discovered in Puma. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment […]

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