Common Problems

Debian 13 — libdata-validate-ip-perl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libdata-validate-ip-perl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 March 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-29662 Upstream summary: The Data::Validate::IP module through 0.29 for Perl does not properly consider extraneous zero characters at the beginning of an IP address string, which (in some situations) […]

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Debian 13 — ruby-rails-html-sanitizer — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — ruby-rails-html-sanitizer — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 1 March 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-7578 CVE-2015-7579 CVE-2015-7580 CVE-2018-3741 CVE-2022-23517 CVE-2022-23518 CVE-2022-23519 CVE-2022-23520  +1 more Upstream summary: Cross-site scripting (XSS) vulnerability in the rails-html-sanitizer gem before 1.0.3 for Ruby on Rails 4.2.x and […]

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Debian 13 — bchunk — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — bchunk — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 1 March 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-15953 CVE-2017-15954 CVE-2017-15955 Upstream summary: bchunk (related to BinChunker) 1.2.0 and 1.2.1 is vulnerable to a heap-based buffer overflow and crash when processing a malformed CUE (.cue) file. […]

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Debian 12 — re2c — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — re2c — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 1 March 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-21232 CVE-2020-11958 CVE-2022-23901 CVE-2026-2903 Upstream summary: re2c before 2.0 has uncontrolled recursion that causes stack consumption in find_fixed_tags. Table of contents Symptom & Impact Environment & Reproduction Root […]

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openSUSE Tumbleweed — php-composer2 — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — php-composer2 — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2026:1784-1 (see also SUSE bugzilla) Related CVEs: CVE-2026-40176 CVE-2026-40261 CVE-2024-35241 CVE-2024-35242 CVE-2024-24821 CVE-2023-43655 CVE-2025-67746 Upstream summary: Composer is a dependency manager for PHP. Versions 1.0 through 2.2.26 and 2.3 through 2.9.5 contain […]

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Red Hat Enterprise Linux 10 — freeipmi — vulnerability — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 10

Red Hat Enterprise Linux 10 — freeipmi — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 10 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:19053 Related CVEs: CVE-2026-33554 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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Red Hat Enterprise Linux 9 — pki-servlet — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 9

Red Hat Enterprise Linux 9 — pki-servlet — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 9 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:0293 Related CVEs: CVE-2025-31651 CVE-2025-55752 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Ubuntu 24.04 — ruby-rack — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — ruby-rack — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 1 March 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8182-1 Related CVEs: CVE-2026-34785 CVE-2026-26962 CVE-2026-26961 CVE-2026-34230 CVE-2026-34830 CVE-2026-34763 CVE-2026-34827 CVE-2026-32762  +12 more Upstream summary: Andrew Lacambra discovered that Rack did not properly parse certain regular expressions. An attacker could […]

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Ubuntu 24.04 — usbmuxd — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — usbmuxd — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 March 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7929-1 Related CVEs: CVE-2025-66004 Upstream summary: It was discovered that usbmuxd incorrectly handled certain paths received with the SavePairRecord command. A local attacker could possibly use this issue to delete […]

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Ubuntu 24.04 — nss — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — nss — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 March 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8071-1 Related CVEs: CVE-2026-2781 Upstream summary: It was discovered that NSS incorrectly handled memory when performing certain GHASH operations. A remote attacker could use this issue to cause NSS to […]

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