Debian

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

Debian 11 — libjcat — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 June 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-10759 Upstream summary: A PGP signature bypass flaw was found in fwupd (all versions), which could lead to the installation of unsigned firmware. As per upstream, a signature […]

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

Debian 11 — mkvtoolnix — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 June 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-4022 Upstream summary: A use-after-free vulnerability exists in the way MKVToolNix MKVINFO v25.0.0 handles the MKV (matroska) file format. A specially crafted MKV file can cause arbitrary code […]

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Common Problems 120498

Debian 11 – dist-upgrade aborts with held broken packages

🟠 High   ⏱ 5–30 min  Last verified: 22 June 2022 Affected versions: Debian 11 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]

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

Debian 11 — phabricator — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 22 June 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-17536 Upstream summary: Phabricator before 2017-11-10 does not block the –config and –debugger flags to the Mercurial hg program, which allows remote attackers to execute arbitrary code by […]

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Debian 11 — nautilus — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — nautilus — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 21 June 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-14604 CVE-2019-11461 CVE-2022-37290 Upstream summary: GNOME Nautilus before 3.23.90 allows attackers to spoof a file type by using the .desktop file extension, as demonstrated by an attack in […]

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

Debian 11 — kconfig — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 June 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-14744 Upstream summary: In KDE Frameworks KConfig before 5.61.0, malicious desktop files and configuration files lead to code execution with minimal user interaction. This relates to libKF5ConfigCore.so, and […]

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

Debian 11 — singular — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 June 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-40299 Upstream summary: In Singular before 4.3.1, a predictable /tmp pathname is used (e.g., by sdb.cc), which allows local users to gain the privileges of other users via […]

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Debian 10 — varnish — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — varnish — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 21 June 2022 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-15892 CVE-2021-36740 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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Common Problems 120702

Debian 11 – cloud-init Datasource Timeout Delays Boot – Fast Metadata Recovery

🟡 Medium   ⏱ 5–30 min  Last verified: 20 June 2022 Affected versions: Debian 11 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]

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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: 20 June 2022 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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