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

Debian 11 — pycryptodome — 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-2018-6594 CVE-2023-52323 Upstream summary: lib/Crypto/PublicKey/ElGamal.py in PyCrypto through 2.6.1 generates weak ElGamal key parameters, which allows attackers to obtain sensitive information by reading ciphertext data (i.e., it does […]

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Debian 13 — python-formencode — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — python-formencode — 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-2008-6547 Upstream summary: schema.py in FormEncode for Python (python-formencode) 1.0 does not apply the chained_validators feature, which allows attackers to bypass intended access restrictions via unknown vectors. Table […]

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Debian 11 — radvd — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — radvd — multiple vulnerabilities (4 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-2011-3601 CVE-2011-3602 CVE-2011-3604 CVE-2011-3605 Upstream summary: Buffer overflow in the process_ra function in the router advertisement daemon (radvd) before 1.8.2 allows remote attackers to execute arbitrary code or […]

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

Debian 12 — freeipmi — 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-2026-33554 Upstream summary: ipmi-oem in FreeIPMI before 1.16.17 has exploitable buffer overflows on response messages. The Intelligent Platform Management Interface (IPMI) specification defines a set of interfaces for […]

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

Debian 13 — btrbk — 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-2021-38173 Upstream summary: Btrbk before 0.31.2 allows command execution because of the mishandling of remote hosts filtering SSH commands using ssh_filter_btrbk.sh in authorized_keys. Table of contents Symptom & Impact […]

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

Debian 12 — knot — 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-2014-0486 CVE-2016-6171 CVE-2017-11104 Upstream summary: Knot DNS before 1.5.2 allows remote attackers to cause a denial of service (application crash) via a crafted DNS message. Table of contents […]

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Debian 11 — swupdate — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — swupdate — multiple vulnerabilities (20 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-2019-12951 CVE-2019-13503 CVE-2019-19307 CVE-2020-25756 CVE-2020-25887 CVE-2021-26528 CVE-2021-26529 CVE-2021-26530  +12 more Upstream summary: An issue was discovered in Mongoose before 6.15. The parse_mqtt() function in mg_mqtt.c has a critical […]

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Debian 11 — das-watchdog — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — das-watchdog — 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-2015-2831 Upstream summary: Buffer overflow in das_watchdog 0.9.0 allows local users to execute arbitrary code with root privileges via a large string in the XAUTHORITY environment variable. Table […]

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Debian 9 — ceph — vulnerability — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — ceph — 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-2017-7519 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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