Logging Monitoring

Red Hat Enterprise Linux 7 — python-pyasn1 — vulnerability — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 7

Red Hat Enterprise Linux 7 — python-pyasn1 — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 7 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:4148 Related CVEs: CVE-2026-23490 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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

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

🟠 High   ⏱ 15–60 min  Last verified: 22 March 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8273-1 Related CVEs: CVE-2024-50304 CVE-2026-23112 CVE-2026-23209 CVE-2026-31431 CVE-2026-31504 CVE-2026-31533 CVE-2026-43033 CVE-2026-43077  +12 more Upstream summary: Several security issues were discovered in the Linux kernel. An attacker could possibly use these […]

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NetBSD 10.0 — zlib — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — zlib — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2016-9840 CVE-2016-9841 CVE-2016-9842 CVE-2016-9843 CVE-2018-25032 CVE-2022-37434 CVE-2026-27171 Upstream summary: pkgsrc audit-packages flagged zlib<1.2.9 for vulnerability class 'unspecified'. Reference: https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2016-9840 Table of contents Symptom & Impact Environment & Reproduction Root […]

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FreeBSD 15 — postfix-current — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — postfix-current — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 March 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Postfix — memory corruption vulnerability Related CVEs: CVE-2011-0411 CVE-2011-1720 Upstream summary: The Postfix SMTP server has a memory corruption error, when the Cyrus SASL library is used with authentication mechanisms […]

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FreeBSD 15 — postfix-base — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — postfix-base — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 March 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Postfix — memory corruption vulnerability Related CVEs: CVE-2011-0411 CVE-2011-1720 Upstream summary: The Postfix SMTP server has a memory corruption error, when the Cyrus SASL library is used with authentication mechanisms […]

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FreeBSD 15 — sieve-connect — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — sieve-connect — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 March 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: sieve-connect — TLS hostname verification was not occurring Upstream summary: sieve-connect developer Phil Pennock reports: sieve-connect was not actually verifying TLS certificate identities matched the expected hostname. Table of contents […]

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NetBSD 10.0 — py-tornado — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — py-tornado — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2020-28476 CVE-2025-67724 CVE-2014-9720 CVE-2025-67725 CVE-2025-67726 CVE-2026-31958 Upstream summary: pkgsrc audit-packages flagged py{27,36,37,38,39}-tornado-[0-9]* for vulnerability class 'cache-poisoning'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2020-28476 Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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FreeBSD 15 — py37-Scrapy — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — py37-Scrapy — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 March 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-Scrapy — DoS vulnerability Related CVEs: CVE-2017-14158 CVE-2022-0577 Upstream summary: kmike and nramirezuy report: Scrapy 1.4 allows remote attackers to cause a denial of service (memory consumption) via large files […]

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FreeBSD 15 — base — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — base — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 March 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: base — PHP SQL injection vulnerability Upstream summary: A Secunia Advisory reports: Remco Verhoef has discovered a vulnerability in Basic Analysis and Security Engine (BASE), which can be exploited by […]

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NetBSD 10.0 — miniflux — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — miniflux — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2025-67713 CVE-2026-21885 Upstream summary: pkgsrc audit-packages flagged miniflux<2.2.15 for vulnerability class 'open-redirect'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2025-67713 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

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