DNS

FreeBSD 13 — p5-Net-DNS — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — p5-Net-DNS — 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: p5-Net-DNS — multiple Vulnerabilities Related CVEs: CVE-2007-3377 CVE-2007-3409 Upstream summary: A Secunia Advisory reports: An error exists in the handling of DNS queries where IDs are incremented with a fixed […]

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FreeBSD 14 — powerdns — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — powerdns — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: powerdns — denial of service Related CVEs: CVE-2005-2302 CVE-2012-0206 CVE-2015-1868 CVE-2015-5230 CVE-2015-5311 CVE-2015-5470 CVE-2016-2120 CVE-2016-6170  +12 more Upstream summary: PowerDNS Team reports: PowerDNS Security Advisory 2022-01: incomplete validation of incoming […]

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FreeBSD 14 — dnsmasq-devel — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — dnsmasq-devel — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: dnsmasq — multiple vulnerabilities Related CVEs: CVE-2015-3294 CVE-2015-8899 CVE-2017-13704 CVE-2017-14491 CVE-2017-14492 CVE-2017-14493 CVE-2017-14494 CVE-2017-14495  +12 more Upstream summary: Simon Kelley reports: Today, 11th May 2026 CERT is releasing a set […]

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FreeBSD 14 — bind9-devel — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — bind9-devel — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: DNSSEC validators — denial-of-service/CPU exhaustion from KeyTrap and NSEC3 vulnerabilities Related CVEs: CVE-2015-3193 CVE-2015-8000 CVE-2015-8461 CVE-2016-1285 CVE-2016-1286 CVE-2016-2088 CVE-2016-2775 CVE-2016-2776  +12 more Upstream summary: Simon Kelley reports: If DNSSEC validation […]

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

FreeBSD 13 — powerdns_recursor — 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: powerdns-recursor — cache pollution Related CVEs: CVE-2025-59023 CVE-2025-59024 Upstream summary: PowerDNS Team reports: It has been brought to our attention that the Recursor does not apply strict enough validation of […]

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FreeBSD 14 — unbound — multiple vulnerabilities (18 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — unbound — multiple vulnerabilities (18 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: unbound — Possible domain hijacking via promiscuous records in the authority section Related CVEs: CVE-2011-1922 CVE-2011-4528 CVE-2014-8602 CVE-2017-15105 CVE-2019-16866 CVE-2019-18934 CVE-2020-12662 CVE-2020-12663  +10 more Upstream summary: [email protected] reports: NLnet Labs […]

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Red Hat Enterprise Linux 9 — unbound — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 9

Red Hat Enterprise Linux 9 — unbound — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 9 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:18931 Related CVEs: CVE-2024-33655 CVE-2025-11411 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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openSUSE Leap 15.5 — dnsdist — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — dnsdist — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.5 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2023:2760-1 (see also SUSE bugzilla) Related CVEs: CVE-2016-7069 CVE-2017-7557 CVE-2018-14663 Upstream summary: An issue has been found in dnsdist before 1.2.0 in the way EDNS0 OPT records are handled when parsing […]

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