Linux

Debian 11 — resteasy3.0 — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — resteasy3.0 — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 31 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-6345 CVE-2016-6346 CVE-2016-6347 CVE-2016-6348 CVE-2016-9606 CVE-2017-7561 CVE-2020-10688 CVE-2020-1695  +2 more Upstream summary: RESTEasy allows remote authenticated users to obtain sensitive information by leveraging "insufficient use of random values" […]

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Debian 11 — network-manager-vpnc — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — network-manager-vpnc — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 31 January 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-10900 Upstream summary: Network Manager VPNC plugin (aka networkmanager-vpnc) before version 1.2.6 is vulnerable to a privilege escalation attack. A new line character can be used to inject […]

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Ubuntu 20.04 — xterm — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — xterm — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 31 January 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4746-1 Related CVEs: CVE-2021-27135 Upstream summary: Tavis Ormandy discovered that xterm incorrectly handled certain character sequences. A remote attacker could use this issue to cause xterm to crash, resulting in […]

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AlmaLinux 8 — cmake — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — cmake — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALEA-2021:4246 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Ubuntu 20.04 — dpkg — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — dpkg — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 31 January 2022 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5446-1 Related CVEs: CVE-2022-1664 Upstream summary: Max Justicz discovered that dpkg incorrectly handled unpacking certain source packages. If a user or an automated system were tricked into unpacking a specially […]

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Ubuntu 14.04 — python-bottle — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — python-bottle — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 31 January 2022 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5532-2 Related CVEs: CVE-2022-31799 Upstream summary: USN-5532-1 fixed a vulnerability in Bottle. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM Original advisory details: It […]

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SLES 15 — python311-mistune — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — python311-mistune — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 31 January 2022 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2025:14637-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-34749 CVE-2017-15612 CVE-2017-16876 Upstream summary: In mistune through 2.0.2, support of inline markup is implemented by using regular expressions that can involve a high amount […]

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Oracle Linux 8 — annobin — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — annobin — vulnerability — patch and remediation guide (ELSA-2021-4593)

🟡 Medium   ⏱ 10–30 min  Last verified: 31 January 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-4593 Related CVEs: CVE-2021-42574 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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AlmaLinux 8 — gnome-calculator — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — gnome-calculator — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2021:4381 Related CVEs: CVE-2020-13558 CVE-2020-24870 CVE-2020-27918 CVE-2020-29623 CVE-2020-36241 CVE-2021-1765 CVE-2021-1788 CVE-2021-1789  +12 more Upstream summary: GNOME is the default desktop environment of AlmaLinux. The following packages have been upgraded to a later […]

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Oracle Linux 8 — openssl — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — openssl — vulnerability — patch and remediation guide (ELSA-2021-9632)

🟡 Medium   ⏱ 10–30 min  Last verified: 31 January 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-9632 Related CVEs: CVE-2021-3712 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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