May 2021 - Page 40 of 69

Ubuntu 20.04 — libmaxminddb — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — libmaxminddb — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4631-1 Related CVEs: CVE-2020-28241 Upstream summary: It was discovered that libmaxminddb incorrectly handled certain memory operations. A remote attacker could possibly use this issue to cause applications using libmaxminddb to […]

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SLES 15 — ipmitool — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — ipmitool — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2020:0405-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-5208 Upstream summary: It's been found that multiple functions in ipmitool before 1.8.19 neglect proper checking of the data received from a remote LAN party, […]

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

FreeBSD 13 — xen-kernel — 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: xen-kernel — multiple vulnerabilities Related CVEs: CVE-2015-0268 CVE-2015-1563 CVE-2015-2044 CVE-2015-2045 CVE-2015-2151 CVE-2015-2751 CVE-2015-2752 CVE-2015-3340  +12 more Upstream summary: The Xen project reports multiple vulnerabilities. Table of contents Symptom & Impact […]

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AlmaLinux 8 — spacewalk-remote-utils — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — spacewalk-remote-utils — 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-2019:3355 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 — samba security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — samba security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2023-7139)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-7139 Related CVEs: CVE-2023-34968 CVE-2023-34967 CVE-2023-34966 CVE-2022-2127 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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AlmaLinux 8 — nettle — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — nettle — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2021:4451 Related CVEs: CVE-2021-20231 CVE-2021-20232 CVE-2021-3580 Upstream summary: The gnutls packages provide the GNU Transport Layer Security (GnuTLS) library, which implements cryptographic algorithms and protocols such as SSL, TLS, and DTLS. Nettle […]

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