ubuntu

Ubuntu 18.04 — pcre2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — pcre2 — 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-5627-2 Related CVEs: CVE-2022-1586 CVE-2022-1587 Upstream summary: USN-5627-1 fixed several vulnerabilities in PCRE. This update provides the corresponding fixes for Ubuntu 18.04 ESM. Original advisory details: It was discovered that […]

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Ubuntu 16.04 — sqlite3 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — sqlite3 — 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-7679-1 Related CVEs: CVE-2025-6965 CVE-2025-29088 CVE-2022-35737 CVE-2020-35525 CVE-2018-8740 CVE-2019-19603 CVE-2019-19645 CVE-2020-11655  +12 more Upstream summary: It was discovered that SQLite incorrectly handled aggregate terms. An attacker could use this issue […]

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Ubuntu 22.04 — redis — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — redis — multiple vulnerabilities (10 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-7824-3 Related CVEs: CVE-2025-49844 CVE-2024-31228 CVE-2024-46981 CVE-2024-51741 CVE-2022-24834 CVE-2022-35977 CVE-2022-36021 CVE-2023-25155  +2 more Upstream summary: USN-7824-1 fixed several vulnerabilities in Redis. This update provides the corresponding update for Ubuntu 22.04 […]

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Ubuntu 18.04 — libpgjava — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — libpgjava — vulnerability — 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-5238-1 Related CVEs: CVE-2020-13692 Upstream summary: It was discovered that PostgreSQL JDBC Driver incorrectly handled certain requests from external entities. A remote attacker could use this vulnerability to cause a […]

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

Ubuntu 20.04 — shiro — multiple vulnerabilities (4 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-6352-1 Related CVEs: CVE-2020-13933 CVE-2020-17510 CVE-2020-11989 CVE-2020-1957 Upstream summary: It was discovered that Apache Shiro incorrectly handled certain HTTP requests. A remote attacker could possibly use this issue to bypass […]

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Ubuntu 20.04 — atftp — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — atftp — multiple vulnerabilities (3 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-6334-1 Related CVEs: CVE-2020-6097 CVE-2021-41054 CVE-2021-46671 Upstream summary: Peter Wang discovered that atftp did not properly manage certain inputs. A remote attacker could send a specially crafted tftp request to […]

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Ubuntu 20.04 — wireshark — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — wireshark — multiple vulnerabilities (15 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-7552-1 Related CVEs: CVE-2021-4185 CVE-2022-0582 CVE-2022-0586 CVE-2022-3190 CVE-2021-4182 CVE-2022-0585 CVE-2021-39929 CVE-2021-4186  +7 more Upstream summary: It was discovered that Wireshark did not correctly handle recursion. If a user or system […]

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Ubuntu 24.04 — resteasy — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — resteasy — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7351-1 Related CVEs: CVE-2020-10688 CVE-2020-1695 CVE-2020-25633 CVE-2021-20289 CVE-2023-0482 CVE-2024-9622 Upstream summary: Nikos Papadopoulos discovered that RESTEasy improperly handled URL encoding when certain errors occur. An attacker could possibly use this […]

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

Ubuntu 18.04 — isc-dhcp — 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-5658-1 Related CVEs: CVE-2022-2928 CVE-2022-2929 CVE-2021-25217 CVE-2019-6470 Upstream summary: It was discovered that DHCP incorrectly handled option reference counting. A remote attacker could possibly use this issue to cause DHCP […]

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Ubuntu 18.04 — tor — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — tor — multiple vulnerabilities (7 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-5036-1 Related CVEs: CVE-2019-8955 CVE-2021-28089 CVE-2021-28090 CVE-2021-34548 CVE-2021-34549 CVE-2021-34550 CVE-2021-38385 Upstream summary: It was discovered that Tor incorrectly handled certain memory operations. A remote attacker could use this issue to […]

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