Linux

Debian 12 — evolution — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — evolution — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 7 July 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2002-1471 CVE-2002-1765 CVE-2003-0128 CVE-2003-0129 CVE-2003-0130 CVE-2003-0133 CVE-2003-0296 CVE-2005-0102  +12 more Upstream summary: The camel component for Ximian Evolution 1.0.x and earlier does not verify certificates when it establishes […]

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Debian 12 — cluster-glue — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — cluster-glue — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 July 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2010-2496 Upstream summary: stonith-ng in pacemaker and cluster-glue passed passwords as commandline parameters, making it possible for local attackers to gain access to passwords of the HA stack […]

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Debian 12 — postgresql-ocaml — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — postgresql-ocaml — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 July 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-2943 Upstream summary: The postgresql-ocaml bindings 1.5.4, 1.7.0, and 1.12.1 for PostgreSQL libpq do not properly support the PQescapeStringConn function, which might allow remote attackers to leverage escaping […]

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How to Configure File System Quotas on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Configure File System Quotas on Debian 12

Introduction This guide explains how to Configure File System Quotas 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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Alpine Linux 3.18 — xbps — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — xbps — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 0.58-r0 📖 ~4 min read  •  Source: Alpine secdb entry — xbps 0.58-r0 Related CVEs: CVE-2020-7450 Upstream summary: Alpine community repository for vv3.18 ships xbps 0.58-r0 which addresses CVE-2020-7450. Table of contents Symptom & Impact Environment […]

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Debian 12 — yubico-piv-tool — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — yubico-piv-tool — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 7 July 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-14779 CVE-2018-14780 CVE-2020-13131 CVE-2020-13132 Upstream summary: A buffer overflow issue was discovered in the Yubico-Piv 1.5.0 smartcard driver. The file lib/ykpiv.c contains the following code in the function […]

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Ubuntu 20.04 — ruby-carrierwave — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — ruby-carrierwave — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 July 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7497-1 Related CVEs: CVE-2021-21305 CVE-2023-49090 Upstream summary: Rikita Ishikawa discovered that CarrierWave did not correctly sanitize certain inputs. An attacker could possibly use this issue to execute arbitrary code. This […]

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SLES 12 — xz — vulnerability — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — xz — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 7 July 2023 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2022:1007-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-1271 Upstream summary: An arbitrary file write vulnerability was found in GNU gzip's zgrep utility. When zgrep is applied on the attacker's chosen file name […]

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Amazon Linux 2023 — byacc — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — byacc — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2023-204 Related CVEs: CVE-2021-33641 CVE-2021-33642 Upstream summary: When processing files, malloc stores the data of the current line. When processing comments, malloc incorrectly accesses the released memory (use after free). […]

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How to Configure GPG Key Management on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Configure GPG Key Management on Debian 12

Introduction Debian 12 Bookworm is built around the ethos of stability and free software. Setting up configure gpg key management on debian 12 on Bookworm leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Bookworm freeze. Follow each step carefully and […]

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