Package Management

Ubuntu 18.04 — pdns-recursor — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — pdns-recursor — multiple vulnerabilities (6 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-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 20.04 — anope — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — anope — 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-6761-1 Related CVEs: CVE-2024-30187 Upstream summary: It was discovered that Anope did not properly process credentials for suspended accounts. An attacker could possibly use this issue to normally login to […]

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Ubuntu 22.04 — netdata — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — netdata — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7250-1 Related CVEs: CVE-2018-18836 CVE-2018-18837 CVE-2018-18838 CVE-2023-22497 CVE-2024-23722 CVE-2024-34250 CVE-2024-34251 Upstream summary: It was discovered that Netdata incorrectly handled parsing JSON input, which could lead to a JSON injection. An […]

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Ubuntu 14.04 — kde4libs — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — kde4libs — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-3286-1 Related CVEs: CVE-2017-8422 CVE-2017-6410 CVE-2016-6232 CVE-2014-5033 Upstream summary: Sebastian Krahmer discovered that the KDE-Libs Kauth component incorrectly checked services invoking D-Bus. A local attacker could use this issue to […]

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

Ubuntu 20.04 — cryptojs — 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-6753-1 Related CVEs: CVE-2023-46233 Upstream summary: Thomas Neil James Shadwell discovered that CryptoJS was using an insecure cryptographic default configuration. A remote attacker could possibly use this issue to expose […]

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Ubuntu 22.04 — htmldoc — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — htmldoc — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7225-1 Related CVEs: CVE-2022-0137 CVE-2022-0534 CVE-2022-24191 CVE-2022-27114 CVE-2022-28085 CVE-2022-34033 CVE-2022-34035 CVE-2024-45508  +1 more Upstream summary: It was discovered that HTMLDOC incorrectly handled memory in the image_set_mask, git_read_lzw, write_header and write_node […]

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Ubuntu 22.04 — apache2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — apache2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8239-1 Related CVEs: CVE-2026-33007 CVE-2026-34059 CVE-2026-23918 CVE-2026-33523 CVE-2026-24072 CVE-2026-34032 CVE-2026-28780 CVE-2026-29168  +12 more Upstream summary: Bartlomiej Dmitruk and Stanislaw Strzalkowski discovered that Apache HTTP Server incorrectly handled certain memory operations […]

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Ubuntu 22.04 — zabbix — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — zabbix — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6751-1 Related CVEs: CVE-2022-35229 CVE-2022-35230 Upstream summary: It was discovered that Zabbix incorrectly handled input data in the discovery and graphs pages. A remote authenticated attacker could possibly use this […]

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Ubuntu 22.04 — dogtag-pki — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — dogtag-pki — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7146-1 Related CVEs: CVE-2017-7537 CVE-2020-25715 CVE-2022-2414 Upstream summary: Christina Fu discovered that Dogtag PKI accidentally enabled a mock authentication plugin by default. An attacker could potentially use this flaw to […]

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Ubuntu 20.04 — exiv2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — exiv2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8103-2 Related CVEs: CVE-2025-55304 https://bugs.launchpad.net/ubuntu/+source/gimp/+bug/2144731 CVE-2026-27596 CVE-2026-25884 CVE-2020-18899 CVE-2025-54080 CVE-2026-27631 CVE-2020-18771  +12 more Upstream summary: USN-8103-1 fixed vulnerabilities in Exiv2. The update caused a regression for Ubuntu 20.04 LTS, Ubuntu […]

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