Operations

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

Debian 11 — nut — 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-2012-2944 Upstream summary: Buffer overflow in the addchar function in common/parseconf.c in upsd in Network UPS Tools (NUT) before 2.6.4 allows remote attackers to execute arbitrary code or […]

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Debian 13 — ldap-git-backup — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — ldap-git-backup — 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-2013-1425 Upstream summary: ldap-git-backup before 1.0.4 exposes password hashes due to incorrect directory permissions. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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

Debian 12 — cppcheck — 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-2023-39070 Upstream summary: An issue in Cppcheck 2.12 dev allows a local attacker to execute arbitrary code via the removeContradiction parameter in token.cpp:1934. Table of contents Symptom & […]

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Debian 11 — python-treq — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — python-treq — 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-2022-23607 Upstream summary: treq is an HTTP library inspired by requests but written on top of Twisted's Agents. Treq's request methods (`treq.get`, `treq.post`, etc.) and `treq.client.HTTPClient` constructor accept […]

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Debian 12 — x11vnc — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — x11vnc — 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-2020-29074 Upstream summary: scan.c in x11vnc 0.9.16 uses IPC_CREAT|0777 in shmget calls, which allows access by actors other than the current user. Table of contents Symptom & Impact […]

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

Debian 11 — liboggz — 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-2009-3377 Upstream summary: Multiple unspecified vulnerabilities in liboggz before cf5feeaab69b05e24, as used in Mozilla Firefox 3.5.x before 3.5.4, allow remote attackers to cause a denial of service (application […]

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

Debian 12 — python-eventlet — 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-2021-21419 CVE-2025-58068 Upstream summary: Eventlet is a concurrent networking library for Python. A websocket peer may exhaust memory on Eventlet side by sending very large websocket frames. Malicious […]

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

Debian 13 — dnsmasq — 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-2005-0876 CVE-2005-0877 CVE-2006-2017 CVE-2008-1447 CVE-2008-3214 CVE-2008-3350 CVE-2009-2957 CVE-2009-2958  +12 more Upstream summary: Off-by-one buffer overflow in Dnsmasq before 2.21 may allow attackers to execute arbitrary code via the […]

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Debian 11 — rust-stackvector — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — rust-stackvector — 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-2021-29939 Upstream summary: An issue was discovered in the stackvector crate through 2021-02-19 for Rust. There is an out-of-bounds write in StackVec::extend if size_hint provides certain anomalous data. […]

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

Debian 12 — colpack — 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-2024-55566 Upstream summary: ColPack 1.0.10 through 9a7293a has a predictable temporary file (located under /tmp with a name derived from an unseeded RNG). The impact can be overwriting […]

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