Common Problems

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

Debian 12 — shibboleth-sp — 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-2009-3300 CVE-2009-3474 CVE-2009-3475 CVE-2009-3476 CVE-2019-19191 CVE-2021-28963 CVE-2021-31826 CVE-2025-9943 Upstream summary: Multiple cross-site scripting (XSS) vulnerabilities in the Identity Provider (IdP) 1.3.x before 1.3.4 and 2.x before 2.1.5, and […]

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

Debian 13 — libxdmcp — 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-2017-2625 Upstream summary: It was discovered that libXdmcp before 1.1.2 including used weak entropy to generate session keys. On a multi-user system using xdmcp, a local attacker could potentially […]

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Debian 11 — libcommons-lang-java — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libcommons-lang-java — 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-2025-48924 Upstream summary: Uncontrolled Recursion vulnerability in Apache Commons Lang. This issue affects Apache Commons Lang: Starting with commons-lang:commons-lang 2.0 to 2.6, and, from org.apache.commons:commons-lang3 3.0 before 3.18.0. The methods ClassUtils.getClass(…) […]

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

Debian 12 — slapi-nis — 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-2015-0283 CVE-2021-3480 Upstream summary: The slapi-nis plug-in before 0.54.2 does not properly reallocate memory when processing user accounts, which allows remote attackers to cause a denial of service […]

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

Debian 12 — ketm — 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-2005-3535 Upstream summary: Buffer overflow in KETM 0.0.6 allows local users to execute arbitrary code via unknown vectors. Table of contents Symptom & Impact Environment & Reproduction Root […]

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Debian 11 — emacs-jabber — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — emacs-jabber — 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-2008-4952 Upstream summary: emacs-jabber in emacs-jabber 0.7.91 allows local users to overwrite arbitrary files via a symlink attack on a /tmp/*.log temporary file. Table of contents Symptom & […]

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

Debian 13 — pesign — 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-2022-3560 Upstream summary: A flaw was found in pesign. The pesign package provides a systemd service used to start the pesign daemon. This service unit runs a script to […]

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Debian 12 — libmatio — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libmatio — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-13107 CVE-2019-17533 CVE-2019-20017 CVE-2019-20018 CVE-2019-20019 CVE-2019-20020 CVE-2019-9026 CVE-2019-9027  +12 more Upstream summary: Multiple integer overflows exist in MATIO before 1.5.16, related to mat.c, mat4.c, mat5.c, mat73.c, and matvar_struct.c […]

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

Debian 11 — mapproxy — 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-2017-1000426 Upstream summary: MapProxy version 1.10.3 and older is vulnerable to a Cross Site Scripting attack in the demo service resulting in possible information disclosure. Table of contents […]

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Debian 13 — ecryptfs-utils — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — ecryptfs-utils — multiple vulnerabilities (14 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-5188 CVE-2009-1296 CVE-2011-1831 CVE-2011-1832 CVE-2011-1833 CVE-2011-1834 CVE-2011-1835 CVE-2011-1836  +6 more Upstream summary: The (1) ecryptfs-setup-private, (2) ecryptfs-setup-confidential, and (3) ecryptfs-setup-pam-wrapped.sh scripts in ecryptfs-utils 45 through 61 in eCryptfs […]

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