Debian

Debian 12 — stunnel4 — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — stunnel4 — multiple vulnerabilities (7 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-2002-1563 CVE-2003-0740 CVE-2008-2420 CVE-2011-2940 CVE-2013-1762 CVE-2015-3644 CVE-2021-20230 Upstream summary: stunnel 4.0.3 and earlier allows attackers to cause a denial of service (crash) via SIGCHLD signal handler race conditions […]

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Debian 13 — systemtap — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — systemtap — multiple vulnerabilities (12 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-2009-0784 CVE-2009-2911 CVE-2009-4273 CVE-2010-0411 CVE-2010-0412 CVE-2010-4170 CVE-2010-4171 CVE-2011-1769  +4 more Upstream summary: Race condition in the SystemTap stap tool 0.0.20080705 and 0.0.20090314 allows local users in the stapusr […]

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

Debian 11 — libinput — 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-2022-1215 Upstream summary: A format string vulnerability was found in libinput Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution […]

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

Debian 13 — puppetserver — 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-2023-1894 Upstream summary: A Regular Expression Denial of Service (ReDoS) issue was discovered in Puppet Server 7.9.2 certificate validation. An issue related to specifically crafted certificate names significantly slowed […]

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

Debian 11 — xmlbeans — 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-2021-23926 Upstream summary: The XML parsers used by XMLBeans up to version 2.6.0 did not set the properties needed to protect the user from malicious XML input. Vulnerabilities […]

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Debian 11 — gradle — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — gradle — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-6199 CVE-2019-11065 CVE-2019-15052 CVE-2019-16370 CVE-2021-29428 CVE-2021-29429 CVE-2021-32751 CVE-2023-35946  +5 more Upstream summary: ObjectSocketWrapper.java in Gradle 2.12 allows remote attackers to execute arbitrary code via a crafted serialized object. […]

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

Debian 11 — alsa-lib — 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-2005-0087 CVE-2026-25068 Upstream summary: The alsa-lib package in Red Hat Linux 4 disables stack protection for the libasound.so library, which makes it easier for attackers to execute arbitrary […]

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Debian 12 — yubico-piv-tool — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — yubico-piv-tool — multiple vulnerabilities (4 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-2018-14779 CVE-2018-14780 CVE-2020-13131 CVE-2020-13132 Upstream summary: A buffer overflow issue was discovered in the Yubico-Piv 1.5.0 smartcard driver. The file lib/ykpiv.c contains the following code in the function […]

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Debian 9 — network-manager-ssh — vulnerability — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — network-manager-ssh — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-9355 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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