Systemd Services

Debian 11 — dpkg-cross — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — dpkg-cross — 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-2008-4950 Upstream summary: gccross in dpkg-cross 2.3.0 allows local users to overwrite arbitrary files via a symlink attack on the tmp/gccross2.log temporary file. NOTE: the vendor disputes this […]

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Debian 12 — golang-github-buger-jsonparser — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — golang-github-buger-jsonparser — 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-2020-10675 CVE-2020-35381 CVE-2026-32285 Upstream summary: The Library API in buger jsonparser through 2019-12-04 allows attackers to cause a denial of service (infinite loop) via a Delete call. Table […]

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

Debian 12 — mosquitto — 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-2017-7650 CVE-2017-7651 CVE-2017-7652 CVE-2017-7653 CVE-2017-7654 CVE-2017-7655 CVE-2017-9868 CVE-2018-12546  +12 more Upstream summary: In Mosquitto before 1.4.12, pattern based ACLs can be bypassed by clients that set their username/client […]

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

Debian 12 — kmail — 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-2020-11880 Upstream summary: An issue was discovered in KDE KMail before 19.12.3. By using the proprietary (non-RFC6068) "mailto?attach=…" parameter, a website (or other source of mailto links) can […]

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Debian 11 — nettle — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — nettle — multiple vulnerabilities (7 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-2015-8803 CVE-2015-8804 CVE-2015-8805 CVE-2016-6489 CVE-2018-16869 CVE-2021-20305 CVE-2021-3580 Upstream summary: The ecc_256_modp function in ecc-256.c in Nettle before 3.2 does not properly handle carry propagation and produces incorrect output […]

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Debian 11 — libgit2 — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libgit2 — multiple vulnerabilities (15 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-2014-9390 CVE-2016-10128 CVE-2016-10129 CVE-2016-10130 CVE-2016-8568 CVE-2016-8569 CVE-2018-10887 CVE-2018-10888  +7 more Upstream summary: Git before 1.8.5.6, 1.9.x before 1.9.5, 2.0.x before 2.0.5, 2.1.x before 2.1.4, and 2.2.x before 2.2.1 […]

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Debian 12 — node-xml2js — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — node-xml2js — 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-2023-0842 Upstream summary: xml2js version 0.4.23 allows an external attacker to edit or add new properties to an object. This is possible because the application does not properly […]

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Debian 13 — gnucobol — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — gnucobol — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-14468 CVE-2019-14486 CVE-2019-14528 CVE-2019-14541 CVE-2019-16395 CVE-2019-16396 Upstream summary: GnuCOBOL 2.2 has a buffer overflow in cb_push_op in cobc/field.c via crafted COBOL source code. Table of contents Symptom & […]

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

Debian 13 — openpyxl — 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-2017-5992 Upstream summary: Openpyxl 2.4.1 resolves external entities by default, which allows remote attackers to conduct XXE attacks via a crafted .xlsx document. Table of contents Symptom & Impact […]

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

Debian 11 — tang — 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-2021-4076 CVE-2023-1672 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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