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Debian 12 — yubico-pam — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — yubico-pam — multiple vulnerabilities (2 CVEs) — 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-2011-4120 CVE-2018-9275 Upstream summary: Yubico PAM Module before 2.10 performed user authentication when 'use_first_pass' PAM configuration option was not used and the module was configured as 'sufficient' in […]

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

Debian 12 — pykerberos — 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-2015-3206 Upstream summary: The checkPassword function in python-kerberos does not authenticate the KDC it attempts to communicate with, which allows remote attackers to cause a denial of service […]

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

Debian 11 — yubico-pam — 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-2011-4120 CVE-2018-9275 Upstream summary: Yubico PAM Module before 2.10 performed user authentication when 'use_first_pass' PAM configuration option was not used and the module was configured as 'sufficient' in […]

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Debian 12 — pam-p11 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — pam-p11 — 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-2019-16058 Upstream summary: An issue was discovered in the pam_p11 component 0.2.0 and 0.3.0 for OpenSC. If a smart card creates a signature with a length longer than […]

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Debian 12 — pam-pkcs11 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — pam-pkcs11 — 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-2025-24031 CVE-2025-24032 CVE-2025-24531 Upstream summary: PAM-PKCS#11 is a Linux-PAM login module that allows a X.509 certificate based user login. In versions 0.6.12 and prior, the pam_pkcs11 module segfaults […]

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Debian 12 — python-pam — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — python-pam — 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-2012-1502 Upstream summary: Double free vulnerability in the PyPAM_conv in PAMmodule.c in PyPam 0.5.0 and earlier allows remote attackers to cause a denial of service (application crash) or […]

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

Debian 13 — opam — 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-2026-41082 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria […]

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Gentoo Linux — app-crypt/mit-krb5 — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — app-crypt/mit-krb5 — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202405-11 Related CVEs: CVE-2021-36222 CVE-2021-37750 CVE-2022-42898 CVE-2023-36054 CVE-2023-39975 CVE-2020-28196 Upstream summary: Multiple vulnerabilities have been discovered in MIT krb5. Please review the CVE identifiers referenced below for details. Table of contents Symptom […]

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Arch Linux — pam-u2f — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — pam-u2f — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202106-16 Related CVEs: CVE-2021-31924 CVE-2019-12210 CVE-2019-12209 Upstream summary: Type: authentication bypass. Status: Fixed. Affected: 1.1.0-1. Fixed in: 1.1.1-1. Group: AVG-2001. Table of contents Symptom & Impact Environment & Reproduction Root […]

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Ubuntu 20.04 — opam — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — opam — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8256-1 Related CVEs: CVE-2026-41082 Upstream summary: Andrew Nesbitt discovered that opam did not properly validate file destination paths in package install files. An attacker could use this issue to bypass […]

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