July 2023 - Page 24 of 78

Debian 12 — nagios-nrpe — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — nagios-nrpe — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-1362 CVE-2014-2913 CVE-2020-6581 CVE-2020-6582 Upstream summary: Incomplete blacklist vulnerability in nrpc.c in Nagios Remote Plug-In Executor (NRPE) before 2.14 might allow remote attackers to execute arbitrary shell commands […]

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How to Install Minio as S3-Compatible Storage on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Install Minio as S3-Compatible Storage on Debian 12

Introduction How to Install Minio as S3-Compatible Storage on Debian 12 is a fundamental operation for any administrator maintaining a Debian 12 Bookworm server. Debian 12 Bookworm 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 […]

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

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

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-11471 CVE-2020-19498 CVE-2020-19499 CVE-2020-23109 CVE-2023-0996 CVE-2023-29659 CVE-2023-49462 CVE-2023-49463  +12 more Upstream summary: libheif 1.4.0 has a use-after-free in heif::HeifContext::Image::set_alpha_channel in heif_context.h because heif_context.cc mishandles references to non-existing alpha […]

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Debian 12 — libnet-cidr-perl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libnet-cidr-perl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-4456 Upstream summary: Net::CIDR versions before 0.24 for Perl mishandle leading zeros in IP CIDR addresses, which may have unspecified impact. The functions `addr2cidr` and `cidrlookup` may return […]

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Debian 12 — jupyter-notebook — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — jupyter-notebook — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-19351 CVE-2018-19352 CVE-2018-21030 CVE-2018-8768 CVE-2019-10255 CVE-2019-9644 CVE-2020-26215 CVE-2021-32798  +3 more Upstream summary: Jupyter Notebook before 5.7.1 allows XSS via an untrusted notebook because nbconvert responses are considered to […]

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Debian 12 — libice — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libice — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-2626 Upstream summary: It was discovered that libICE before 1.0.9-8 used a weak entropy to generate keys. A local attacker could potentially use this flaw for session hijacking […]

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Debian 12 — gtk+2.0 — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — gtk+2.0 — multiple vulnerabilities (14 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-0782 CVE-2004-0783 CVE-2004-0788 CVE-2005-0891 CVE-2005-2975 CVE-2005-2976 CVE-2005-3186 CVE-2007-0010  +6 more Upstream summary: Integer overflow in pixbuf_create_from_xpm (io-xpm.c) in the XPM image decoder for gtk+ 2.4.4 (gtk2) and earlier, […]

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How to Configure NTP Time Synchronization on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Configure NTP Time Synchronization on Debian 12

Introduction Deploying configure ntp time synchronization on debian 12 on a Debian 12 Bookworm machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites You will […]

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Ubuntu 18.04 — zookeeper — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — zookeeper — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6559-1 Related CVEs: CVE-2019-0201 CVE-2023-44981 Upstream summary: It was discovered that ZooKeeper incorrectly handled authorization for the getACL() command. A remote attacker could possibly use this issue to obtain sensitive […]

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Ubuntu 18.04 — kvmtool — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — kvmtool — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8172-1 Related CVEs: CVE-2023-2861 CVE-2021-45464 Upstream summary: It was discovered that kvmtool did not properly manage memory under certain circumstances. A malicious guest attacker could use this issue to cause […]

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