Security Hardening

Debian 13 — golang-gogoprotobuf — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — golang-gogoprotobuf — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-3121 Upstream summary: An issue was discovered in GoGo Protobuf before 1.3.2. plugin/unmarshal/unmarshal.go lacks certain index validation, aka the "skippy peanut butter" issue. Table of contents Symptom & Impact […]

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

Debian 12 — grilo — 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-2021-39365 Upstream summary: In GNOME grilo though 0.3.13, grl-net-wc.c does not enable TLS certificate verification on the SoupSessionAsync objects it creates, leaving users vulnerable to network MITM attacks. […]

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

Debian 13 — tcmu — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-3139 Upstream summary: In Open-iSCSI tcmu-runner 1.3.x, 1.4.x, and 1.5.x through 1.5.2, xcopy_locate_udev in tcmur_cmd_handler.c lacks a check for transport-layer restrictions, allowing remote attackers to read or write files […]

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

Debian 12 — libgdiplus — 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-2010-1526 Upstream summary: Multiple integer overflows in libgdiplus 2.6.7, as used in Mono, allow attackers to execute arbitrary code via (1) a crafted TIFF file, related to the […]

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Debian 12 — libapache2-mod-fcgid — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libapache2-mod-fcgid — multiple vulnerabilities (3 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-2010-3872 CVE-2012-1181 CVE-2013-4365 Upstream summary: A flaw was found in the mod_fcgid module of httpd. A malformed FastCGI response may result in a stack-based buffer overflow in the […]

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Debian 11 — playmidi — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — playmidi — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-0020 Upstream summary: Buffer overflow in playmidi before 2.4 allows local users to execute arbitrary code. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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Debian 12 — node-turndown — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — node-turndown — 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-2025-9670 Upstream summary: A security flaw has been discovered in mixmark-io turndown up to 7.2.1. This affects an unknown function of the file src/commonmark-rules.js. Performing manipulation results in […]

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Debian 12 — nagios4 — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — nagios4 — multiple vulnerabilities (6 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-2018-13441 CVE-2018-13457 CVE-2018-13458 CVE-2018-18245 CVE-2020-13977 CVE-2020-35269 Upstream summary: qh_help in Nagios Core version 4.4.1 and earlier is prone to a NULL pointer dereference vulnerability, which allows attacker to […]

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

Debian 12 — smartdns — 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-2026-1425 Upstream summary: A security flaw has been discovered in pymumu SmartDNS up to 47.1. This vulnerability affects the function _dns_decode_rr_head/_dns_decode_SVCB_HTTPS of the file src/dns.c of the component […]

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Debian 12 — ruby-loofah — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — ruby-loofah — multiple vulnerabilities (6 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-2018-16468 CVE-2018-8048 CVE-2019-15587 CVE-2022-23514 CVE-2022-23515 CVE-2022-23516 Upstream summary: In the Loofah gem for Ruby, through v2.2.2, unsanitized JavaScript may occur in sanitized output when a crafted SVG element […]

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