IT, Cloud & DevOps Blog

Debian 10 — libreswan — vulnerability — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — libreswan — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-1763 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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Debian 12 — libbpf — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libbpf — multiple vulnerabilities (6 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-2021-45940 CVE-2021-45941 CVE-2022-3533 CVE-2022-3534 CVE-2022-3606 CVE-2025-29481 Upstream summary: libbpf 0.6.0 and 0.6.1 has a heap-based buffer overflow (4 bytes) in __bpf_object__open (called from bpf_object__open_mem and bpf-object-fuzzer.c). Table of […]

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Debian 11 — eclipse-wtp — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — eclipse-wtp — 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-2019-17637 Upstream summary: In all versions of Eclipse Web Tools Platform through release 3.18 (2020-06), XML and DTD files referring to external entities could be exploited to send […]

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Debian 13 — t-coffee — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — t-coffee — 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-2015-8621 Upstream summary: t-coffee before 11.00.8cbe486-2 allows local users to write to ~/.t_coffee globally. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

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Debian 11 — ruby-rails-html-sanitizer — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — ruby-rails-html-sanitizer — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-7578 CVE-2015-7579 CVE-2015-7580 CVE-2018-3741 CVE-2022-23517 CVE-2022-23518 CVE-2022-23519 CVE-2022-23520  +1 more Upstream summary: Cross-site scripting (XSS) vulnerability in the rails-html-sanitizer gem before 1.0.3 for Ruby on Rails 4.2.x and […]

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Debian 13 — golang-glog — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — golang-glog — 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-2024-45339 Upstream summary: When logs are written to a widely-writable directory (the default), an unprivileged attacker may predict a privileged process's log file path and pre-create a symbolic link […]

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

Debian 11 — polygen — 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-2005-2656 Upstream summary: Polygen before 1.0.6 generates precompiled grammar objects with world-writable permissions, which allows local users to cause a denial of service (disk consumption) and possibly perform […]

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

Debian 12 — fwbuilder — 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-2008-4956 CVE-2009-4664 Upstream summary: fwb_install in fwbuilder 2.1.19 allows local users to overwrite arbitrary files via a symlink attack on a /tmp/ssh-agent.##### temporary file. Table of contents Symptom […]

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Debian 13 — virglrenderer — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — virglrenderer — multiple vulnerabilities (20 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-2016-10163 CVE-2016-10214 CVE-2017-5580 CVE-2017-5937 CVE-2017-5956 CVE-2017-5957 CVE-2017-5993 CVE-2017-5994  +12 more Upstream summary: Memory leak in the vrend_renderer_context_create_internal function in vrend_decode.c in virglrenderer before 0.6.0 allows local guest OS […]

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Debian 12 — haskell-xml-conduit — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — haskell-xml-conduit — 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-2021-4249 Upstream summary: A vulnerability was found in xml-conduit. It has been classified as problematic. Affected is an unknown function of the file xml-conduit/src/Text/XML/Stream/Parse.hs of the component DOCTYPE […]

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