Package Management

AlmaLinux 8 — gcc-toolset-10-strace — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — gcc-toolset-10-strace — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALEA-2021:1831 Upstream summary: GCC Toolset is a compiler toolset that provides recent versions of development tools. GCC Toolset is an Application Stream packaged as a Software Collection. For instructions on usage, see […]

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How to Install and Configure Erlang on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install and Configure Erlang on Debian 9

Introduction How to Install and Configure Erlang on Debian 9 is a fundamental operation for any administrator maintaining a Debian 9 Stretch server. Debian 9 Stretch ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 9. […]

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Debian 11 — ksmtp — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — ksmtp — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 9 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-15954 CVE-2021-38373 Upstream summary: KDE KMail 19.12.3 (aka 5.13.3) engages in unencrypted POP3 communication during times when the UI indicates that encryption is in use. Table of contents […]

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Debian 11 — exfat-utils — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — exfat-utils — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 9 February 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-8026 Upstream summary: Heap-based buffer overflow in the verify_vbr_checksum function in exfatfsck in exfat-utils before 1.2.1 allows remote attackers to cause a denial of service (infinite loop) or […]

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Ubuntu 16.04 — privoxy — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — privoxy — multiple vulnerabilities (14 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 9 February 2022 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4886-1 Related CVEs: CVE-2020-35502 CVE-2021-20209 CVE-2021-20210 CVE-2021-20211 CVE-2021-20212 CVE-2021-20213 CVE-2021-20214 CVE-2021-20215  +6 more Upstream summary: It was discovered that Privoxy incorrectly handled CGI requests. An attacker could possibly use this […]

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Ubuntu 16.04 — php-pear — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — php-pear — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 9 February 2022 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5027-2 Related CVEs: CVE-2021-32610 CVE-2020-36193 CVE-2020-28948 CVE-2020-28949 CVE-2018-1000888 Upstream summary: USN-5027-1 fixed a vulnerability in PEAR. This update provides the corresponding update for Ubuntu 16.04 ESM. Original advisory details: It […]

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How to Configure Apache2 with mod_security on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Configure Apache2 with mod_security on Debian 11

Introduction Debian 11 Bullseye is built around the ethos of stability and free software. Setting up configure apache2 with mod_security on debian 11 on Bullseye leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Bullseye freeze. Follow each step carefully and […]

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Ubuntu 16.04 — scilab — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — scilab — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 9 February 2022 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5061-1 Related CVEs: CVE-2021-30485 CVE-2021-31229 CVE-2021-31347 CVE-2021-31598 Upstream summary: It was discovered that Scilab did not properly sanitize XML inputs. An atacker could use a crafted XML file to cause […]

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Amazon Linux 2 — nettle — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — nettle — 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 ALAS2-2021-1629 Related CVEs: CVE-2021-20305 Upstream summary: A flaw was found in Nettle, where several Nettle signature verification functions (GOST DSA, EDDSA & ECDSA) result in the Elliptic Curve Cryptography point […]

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