Troubleshooting

Debian 12 — libdata-uuid-perl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libdata-uuid-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-2013-4184 Upstream summary: Perl module Data::UUID from CPAN version 1.219 vulnerable to symlink attacks Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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Debian 12 — fail2ban — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — fail2ban — multiple vulnerabilities (8 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-2007-4321 CVE-2009-0362 CVE-2009-5023 CVE-2012-5642 CVE-2013-2178 CVE-2013-7176 CVE-2013-7177 CVE-2021-32749 Upstream summary: fail2ban 0.8 and earlier does not properly parse sshd log files, which allows remote attackers to add arbitrary […]

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Debian 13 — node-nodemailer — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — node-nodemailer — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-7769 CVE-2021-23400 CVE-2025-13033 CVE-2025-14874 Upstream summary: This affects the package nodemailer before 6.4.16. Use of crafted recipient email addresses may result in arbitrary command flag injection in sendmail […]

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Debian 11 — nbconvert — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — nbconvert — multiple vulnerabilities (2 CVEs) — 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-2021-32862 CVE-2026-39378 Upstream summary: The GitHub Security Lab discovered sixteen ways to exploit a cross-site scripting vulnerability in nbconvert. When using nbconvert to generate an HTML version of […]

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Debian 13 — python-oslo.middleware — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — python-oslo.middleware — 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-2017-2592 Upstream summary: python-oslo-middleware before versions 3.8.1, 3.19.1, 3.23.1 is vulnerable to an information disclosure. Software using the CatchError class could include sensitive values in a traceback's error message. […]

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Debian 13 — foo2zjs — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — foo2zjs — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2011-2684 Upstream summary: foo2zjs before 20110722dfsg-3ubuntu1 as packaged in Ubuntu, 20110722dfsg-1 as packaged in Debian unstable, and 20090908dfsg-5.1+squeeze0 as packaged in Debian squeeze create temporary files insecurely, which […]

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

Debian 12 — netkit-rsh — 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-2019-7282 CVE-2019-7283 CVE-2023-38336 Upstream summary: In NetKit through 0.17, rcp.c in the rcp client allows remote rsh servers to bypass intended access restrictions via the filename of . […]

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

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

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-29622 CVE-2025-46653 Upstream summary: An arbitrary file upload vulnerability in formidable v3.1.4 allows attackers to execute arbitrary code via a crafted filename. NOTE: some third parties dispute this […]

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Debian 12 — ruby-kaminari — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — ruby-kaminari — 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-2020-11082 Upstream summary: In Kaminari before 1.2.1, there is a vulnerability that would allow an attacker to inject arbitrary code into pages with pagination links. This has been […]

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