Security Hardening

Debian 13 — quassel — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — quassel — multiple vulnerabilities (14 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 11 March 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-5657 CVE-2010-3443 CVE-2011-3354 CVE-2013-4422 CVE-2013-6404 CVE-2014-8483 CVE-2015-2778 CVE-2015-2779  +6 more Upstream summary: CRLF injection vulnerability in Quassel Core before 0.3.0.3 allows remote attackers to spoof IRC messages as […]

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Debian 13 — node-markdown-it — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — node-markdown-it — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 March 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-21670 CVE-2025-7969 Upstream summary: markdown-it is a Markdown parser. Prior to version 1.3.2, special patterns with length greater than 50 thousand characterss could slow down the parser significantly. […]

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Rocky Linux 10 — munge — vulnerability — patch and remediation guide — diagnosis and fix on Rocky Linux 10

Rocky Linux 10 — munge — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 10 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2026:3033 Related CVEs: CVE-2026-25506 Upstream summary: MUNGE (MUNGE Uid 'N' Gid Emporium) is an authentication service for creating and validating credentials. It is designed to be highly scalable for use […]

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Debian 13 — libmemcached — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libmemcached — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 March 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-27478 Upstream summary: libmemcached-awesome is an open source C/C++ client library and tools for the memcached server. `libmemcached` could return data for a previously requested key, if that previous […]

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Debian 13 — checkpw — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — checkpw — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 March 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-0885 Upstream summary: checkpw 1.02 and earlier allows remote attackers to cause a denial of service (infinite loop) via a — (dash dash) in a username. Table of contents […]

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Rocky Linux 10 — kea — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Rocky Linux 10

Rocky Linux 10 — kea — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 10 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2026:7342 Related CVEs: CVE-2026-3608 CVE-2025-11232 Upstream summary: DHCP implementation from Internet Systems Consortium, Inc. that features fully functional DHCPv4, DHCPv6 and Dynamic DNS servers. Both DHCP servers fully support server […]

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Debian 11 — msgpack-java — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — msgpack-java — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 March 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2026-21452 Upstream summary: MessagePack for Java is a serializer implementation for Java. A denial-of-service vulnerability exists in versions prior to 0.9.11 when deserializing .msgpack files containing EXT32 objects […]

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Rocky Linux 9 — protobuf — vulnerability — patch and remediation guide — diagnosis and fix on Rocky Linux 9

Rocky Linux 9 — protobuf — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 9 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2026:3095 Related CVEs: CVE-2026-0994 Upstream summary: The protobuf packages provide Protocol Buffers, Google's data interchange format. Protocol Buffers can encode structured data in an efficient yet extensible format, and provide […]

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

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

🟡 Medium   ⏱ 10–30 min  Last verified: 11 March 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-3826 CVE-2026-42151 CVE-2026-42154 Upstream summary: A stored, DOM based, cross-site scripting (XSS) flaw was found in Prometheus before version 2.7.1. An attacker could exploit this by convincing an […]

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Debian 11 — golang-gopkg-square-go-jose.v1 — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — golang-gopkg-square-go-jose.v1 — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 11 March 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-9121 CVE-2016-9122 CVE-2016-9123 CVE-2026-34986 Upstream summary: go-jose before 1.0.4 suffers from an invalid curve attack for the ECDH-ES algorithm. When deriving a shared key using ECDH-ES for an […]

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CHAT