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Debian 13 — libnetwork-ipv4addr-perl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libnetwork-ipv4addr-perl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 November 2025 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-47155 Upstream summary: The Net::IPV4Addr module 0.10 for Perl does not properly consider extraneous zero characters in an IP address string, which (in some situations) allows attackers to bypass […]

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NetBSD 9.4 — krita — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — krita — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2025-59820 Upstream summary: pkgsrc audit-packages flagged krita<5.2.13 for vulnerability class 'heap-overflow'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2025-59820 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Debian 13 — node-yarnpkg — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — node-yarnpkg — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 24 November 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-10773 CVE-2019-15608 CVE-2019-5448 CVE-2020-8131 CVE-2021-4435 CVE-2025-8262 CVE-2025-9308 Upstream summary: In Yarn before 1.21.1, the package install functionality can be abused to generate arbitrary symlinks on the host filesystem […]

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Debian 12 — php-nesbot-carbon — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — php-nesbot-carbon — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 November 2025 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2025-22145 Upstream summary: Carbon is an international PHP extension for DateTime. Application passing unsanitized user input to Carbon::setLocale are at risk of arbitrary file include, if the application […]

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Alpine Linux 3.20 — mruby — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — mruby — multiple vulnerabilities (14 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 3.1.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — mruby 3.1.0-r0 Related CVEs: CVE-2021-4110 CVE-2021-4188 CVE-2022-0080 CVE-2022-0240 CVE-2022-0326 CVE-2022-0481 CVE-2022-0631 CVE-2022-0632  +6 more Upstream summary: Alpine community repository for vv3.20 ships mruby 3.1.0-r0 which […]

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

Debian 13 — proxytunnel — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 24 November 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-2440 Upstream summary: Unspecified vulnerability in cmdline.c in proxytunnel 1.1.3 and earlier allows local users to obtain proxy credentials (username or password) of other users. Table of contents […]

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Ubuntu 22.04 — python-authlib — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — python-authlib — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 24 November 2025 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8065-1 Related CVEs: CVE-2025-62706 CVE-2025-68158 CVE-2025-59420 CVE-2024-37568 CVE-2025-61920 Upstream summary: Millie Solem discovered that Authlib did not properly restrict algorithm selection during JWT verification, allowing HMAC verification with asymmetric public […]

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SLES 16 — newt — vulnerability — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — newt — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 24 November 2025 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SR:2009:017 (see also SUSE bugzilla) Related CVEs: CVE-2009-2905 Upstream summary: Heap-based buffer overflow in textbox.c in newt 0.51.5, 0.51.6, and 0.52.2 allows local users to cause a denial of service (application crash) […]

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openSUSE Tumbleweed — cyradm — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — cyradm — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2025-23394 CVE-2019-18928 CVE-2025-49812 CVE-2019-11356 CVE-2021-33582 CVE-2019-19783 CVE-2024-34055 CVE-2009-3235  +3 more Upstream summary: A UNIX Symbolic Link (Symlink) Following vulnerability in openSUSE Tumbleweed cyrus-imapd allows escalation […]

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Oracle Linux 8 — kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — kernel — vulnerability — patch and remediation guide (ELSA-2026-1662)

🟡 Medium   ⏱ 10–30 min  Last verified: 24 November 2025 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-1662 Related CVEs: CVE-2022-50865 CVE-2024-26766 CVE-2025-38022 CVE-2025-38024 CVE-2025-38415 CVE-2025-38459 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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