2023 - Page 139 of 885

openSUSE Leap 15.5 — libssh2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — libssh2 — 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 SUSE-SU-2023:3555-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-22218 CVE-2019-17498 Upstream summary: An issue was discovered in function _libssh2_packet_add in libssh2 1.10.0 allows attackers to access out of bounds memory. Table of […]

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NetBSD 9.4 — dovecot-pigeonhole — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — dovecot-pigeonhole — vulnerability — 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-2019-11500 Upstream summary: pkgsrc audit-packages flagged dovecot-pigeonhole<0.5.7.2 for vulnerability class 'remote-code-execution'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2019-11500 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Oracle Linux 9 — edk2 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — edk2 — vulnerability — patch and remediation guide (ELSA-2023-13024)

🟠 High   ⏱ 15–60 min  Last verified: 12 November 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-13024 Related CVEs: CVE-2023-0215 CVE-2022-4304 CVE-2022-4450 CVE-2023-0286 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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NetBSD 9.4 — cmus — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — cmus — vulnerability — 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-2008-5375 Upstream summary: pkgsrc audit-packages flagged cmus<2.2.0nb5 for vulnerability class 'privilege-escalation'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-5375 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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How to Configure Postfix Mail Server on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Configure Postfix Mail Server on Debian 12

Introduction This guide explains how to Configure Postfix Mail Server on Debian 12 on Debian 12 Bookworm. Debian Bookworm uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 12 install with the […]

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NetBSD 9.4 — apache-2.0.3[5-9] — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — apache — vulnerability — 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 Upstream summary: pkgsrc audit-packages flagged apache for vulnerability class 'privilege-escalation'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0885 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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Debian 12 — git-extras — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — git-extras — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 November 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-6114 Upstream summary: The git-changelog utility in git-extras 1.7.0 allows local users to overwrite arbitrary files via a symlink attack on (1) /tmp/changelog or (2) /tmp/.git-effort. Table of […]

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Amazon Linux 2 — kernel-livepatch-4.14.304-226.531 — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-4.14.304-226.531 — vulnerability — 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 ALAS2LIVEPATCH-2023-113 Related CVEs: CVE-2023-26545 Upstream summary: In the Linux kernel before 6.1.13, there is a double free in net/mpls/af_mpls.c upon an allocation failure (for registering the sysctl table under a […]

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Debian 12 — libofx — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libofx — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 11 November 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-14731 CVE-2017-2816 CVE-2019-9656 Upstream summary: ofx_proc_file in ofx_preproc.cpp in LibOFX 0.9.12 allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via a […]

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Gentoo Linux — dev-libs/nettle — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — dev-libs/nettle — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202401-24 Related CVEs: CVE-2021-3580 CVE-2023-36660 CVE-2021-20305 Upstream summary: Multiple vulnerabilities have been discovered in Nettle. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & […]

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