Package Management

Ubuntu 16.04 — openexr — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — openexr — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8259-1 Related CVEs: CVE-2026-27622 CVE-2026-34380 CVE-2026-34588 CVE-2021-3941 CVE-2021-3933 CVE-2021-20296 CVE-2021-23215 CVE-2021-26260  +12 more Upstream summary: Quang Luong discovered that OpenEXR incorrectly handled sample count accumulation when processing deep scan line […]

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Ubuntu 18.04 — libcroco — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — libcroco — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6958-1 Related CVEs: CVE-2017-7960 CVE-2017-8834 CVE-2017-8871 CVE-2020-12825 Upstream summary: It was discovered that Libcroco was incorrectly accessing data structures when reading bytes from memory, which could cause a heap buffer […]

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Ubuntu 20.04 — pdns — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — pdns — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7203-1 Related CVEs: CVE-2018-1046 CVE-2018-10851 CVE-2018-14626 CVE-2018-14644 CVE-2020-17482 CVE-2022-27227 Upstream summary: Wei Hao discovered that PowerDNS Authoritative Server incorrectly handled memory when accessing certain files. An attacker could possibly use […]

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Ubuntu 18.04 — espeak-ng — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — espeak-ng — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6858-1 Related CVEs: CVE-2023-49990 CVE-2023-49991 CVE-2023-49992 CVE-2023-49993 CVE-2023-49994 Upstream summary: It was discovered that eSpeak NG did not properly manage memory under certain circumstances. An attacker could possibly use this […]

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Ubuntu 18.04 — maradns — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — maradns — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6271-1 Related CVEs: CVE-2022-30256 CVE-2023-31137 Upstream summary: Xiang Li discovered that MaraDNS incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted […]

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Ubuntu 20.04 — ruby-image-processing — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — ruby-image-processing — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6675-1 Related CVEs: CVE-2022-24720 Upstream summary: It was discovered that ImageProcessing incorrectly handled series of operations that are coming from unsanitised inputs. If a user or an automated system were […]

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Ubuntu 16.04 — jqueryui — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — jqueryui — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6419-1 Related CVEs: CVE-2016-7103 CVE-2021-41182 CVE-2021-41183 CVE-2021-41184 CVE-2022-31160 Upstream summary: Hong Phat Ly discovered that jQuery UI did not properly manage parameters from untrusted sources, which could lead to arbitrary […]

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Ubuntu 24.04 — python-pymysql — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — python-pymysql — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6801-1 Related CVEs: CVE-2024-36039 Upstream summary: It was discovered that PyMySQL incorrectly escaped untrusted JSON input. An attacker could possibly use this issue to perform SQL injection attacks. Table of […]

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Ubuntu 20.04 — paramiko — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — paramiko — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6598-1 Related CVEs: CVE-2023-48795 CVE-2022-24302 Upstream summary: Fabian Bäumer, Marcus Brinkmann, Jörg Schwenk discovered that the SSH protocol was vulnerable to a prefix truncation attack. If a remote attacker was […]

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