Linux

Amazon Linux 2 — poppler — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — poppler — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2023-2281 Related CVEs: CVE-2020-36023 CVE-2020-36024 CVE-2022-38349 CVE-2020-23804 CVE-2018-20662 CVE-2020-18839 CVE-2022-37050 CVE-2022-27337  +12 more Upstream summary: An issue was discovered in freedesktop poppler version 20.12.1, allows remote attackers to cause a […]

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Alpine Linux edge — synapse — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — synapse — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 1.95.1-r0 📖 ~4 min read  •  Source: Alpine secdb entry — synapse 1.95.1-r0 Related CVEs: CVE-2023-43796 CVE-2023-45129 CVE-2023-41335 CVE-2023-42453 CVE-2023-32683 CVE-2023-32682 CVE-2023-32323 CVE-2022-39335  +12 more Upstream summary: Alpine community repository for vedge ships synapse 1.95.1-r0 which […]

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Debian 11 — py7zr — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — py7zr — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 June 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-44900 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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Ubuntu 20.04 — awstats — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — awstats — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 11 June 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5899-1 Related CVEs: CVE-2022-46391 CVE-2017-1000501 CVE-2020-29600 CVE-2020-35176 Upstream summary: It was discovered that AWStats did not properly sanitize the content of whois responses in the hostinfo plugin. An attacker could […]

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Ubuntu 20.04 — graphviz — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — graphviz — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 11 June 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6708-1 Related CVEs: CVE-2023-46045 CVE-2018-10196 CVE-2019-11023 CVE-2020-18032 Upstream summary: It was discovered that Graphviz incorrectly handled certain config6a files. An attacker could possibly use this issue to cause a denial […]

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Ubuntu 18.04 — node-minimatch — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — node-minimatch — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 June 2023 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6086-1 Related CVEs: CVE-2022-3517 Upstream summary: It was discovered that minimatch incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted input […]

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Red Hat Enterprise Linux 9 — libxslt — vulnerability — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 9

Red Hat Enterprise Linux 9 — libxslt — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 9 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:6499 Related CVEs: CVE-2023-40403 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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SLES 12 — tar — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — tar — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 11 June 2023 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2023:1498-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-48303 CVE-2021-20193 CVE-2010-0624 CVE-2016-6321 CVE-2023-39804 CVE-2018-20482 CVE-2019-9923 Upstream summary: GNU Tar through 1.34 has a one-byte out-of-bounds read that results in use of uninitialized memory […]

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Oracle Linux 9 — tomcat — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — tomcat — vulnerability — patch and remediation guide (ELSA-2023-5929)

🟠 High   ⏱ 15–60 min  Last verified: 11 June 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-5929 Related CVEs: CVE-2023-44487 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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Oracle Linux 9 — thunderbird — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — thunderbird — vulnerability — patch and remediation guide (ELSA-2023-5435)

🟠 High   ⏱ 15–60 min  Last verified: 11 June 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-5435 Related CVEs: CVE-2023-5169 CVE-2023-5217 CVE-2023-5171 CVE-2023-5176 CVE-2023-3600 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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