DNS

openSUSE Leap 15.5 — pdns-recursor — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — pdns-recursor — multiple vulnerabilities (2 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 openSUSE-SU-2024:0114-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-25583 CVE-2023-26437 Upstream summary: A crafted response from an upstream server the recursor has been configured to forward-recurse to can cause a Denial of […]

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AlmaLinux 8 — jackson-databind — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — jackson-databind — multiple vulnerabilities (14 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-2025:14126 Related CVEs: CVE-2025-52999 CVE-2020-36518 CVE-2019-14540 CVE-2019-16335 CVE-2019-16942 CVE-2019-16943 CVE-2019-17531 CVE-2019-20330  +6 more Upstream summary: The Public Key Infrastructure (PKI) Core contains fundamental packages required by AlmaLinux Certificate System. Security Fix(es): * […]

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Amazon Linux 2 — unbound — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — unbound — multiple vulnerabilities (20 CVEs) — 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 ALAS2UNBOUND-1.17-2025-005 Related CVEs: CVE-2025-5994 CVE-2023-50387 CVE-2023-50868 CVE-2024-1488 CVE-2024-33655 CVE-2020-10772 CVE-2020-12662 CVE-2020-12663  +12 more Upstream summary: A multi-vendor cache poisoning vulnerability named 'Rebirthday Attack' has been discovered in caching resolvers that […]

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AlmaLinux 8 — bind-dyndb-ldap — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — bind-dyndb-ldap — multiple vulnerabilities (11 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-2025:21140 Related CVEs: CVE-2025-59088 CVE-2025-59089 CVE-2025-7493 CVE-2025-4404 CVE-2024-2698 CVE-2024-3183 CVE-2021-3480 CVE-2020-17049  +3 more Upstream summary: AlmaLinux Identity Management (IdM) is a centralized authentication, identity management, and authorization solution for both traditional and […]

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

FreeBSD 14 — bind — 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-2003-0914 CVE-2005-0033 CVE-2005-0034 CVE-2006-4095 CVE-2006-4096 CVE-2009-0696 CVE-2011-1910 CVE-2011-2464  +12 more Upstream summary: Simon Kelley reports: If DNSSEC validation […]

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

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

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: DNSSEC validators — denial-of-service/CPU exhaustion from KeyTrap and NSEC3 vulnerabilities Related CVEs: CVE-2003-0914 CVE-2005-0033 CVE-2005-0034 CVE-2006-4095 CVE-2006-4096 CVE-2009-0696 CVE-2011-1910 CVE-2011-2464  +12 more Upstream summary: Simon Kelley reports: If DNSSEC validation […]

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AlmaLinux 8 — unbound — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — unbound — multiple vulnerabilities (8 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-2025:11884 Related CVEs: CVE-2025-5994 CVE-2024-1488 CVE-2024-8508 CVE-2023-50387 CVE-2023-50868 CVE-2022-3204 CVE-2022-30698 CVE-2022-30699 Upstream summary: The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver. Security Fix(es): * unbound: Unbound Cache […]

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Arch Linux — powerdns — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — powerdns — multiple vulnerabilities (11 CVEs) — 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-201903-13 Related CVEs: CVE-2019-3871 CVE-2018-1046 CVE-2021-36754 CVE-2018-14626 CVE-2018-10851 CVE-2016-7074 CVE-2016-7073 CVE-2016-7072  +3 more Upstream summary: Type: insufficient validation. Status: Fixed. Affected: 4.1.6-2. Fixed in: 4.1.7-1. Group: AVG-927. Table of contents […]

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

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

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 9 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:18786 Related CVEs: CVE-2025-8677 CVE-2026-1519 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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AlmaLinux 8 — opendnssec — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — opendnssec — multiple vulnerabilities (11 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-2025:21140 Related CVEs: CVE-2025-59088 CVE-2025-59089 CVE-2025-7493 CVE-2025-4404 CVE-2024-2698 CVE-2024-3183 CVE-2021-3480 CVE-2020-17049  +3 more Upstream summary: AlmaLinux Identity Management (IdM) is a centralized authentication, identity management, and authorization solution for both traditional and […]

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