chris

Ubuntu 20.04 — raptor2 — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — raptor2 — 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-7316-1 Related CVEs: CVE-2020-25713 CVE-2024-57822 CVE-2024-57823 CVE-2017-18926 Upstream summary: It was discovered that Raptor incorrectly handled memory operations when processing certain input files. A remote attacker could possibly use this […]

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Ubuntu 22.04 — linux-aws-6.8 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — linux-aws-6.8 — 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-8254-1 Related CVEs: CVE-2026-23112 CVE-2026-23231 CVE-2026-23273 CVE-2024-36347 CVE-2024-57795 CVE-2025-22022 CVE-2025-22111 CVE-2025-38022  +12 more Upstream summary: Several security issues were discovered in the Linux kernel. An attacker could possibly use these […]

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Ubuntu 14.04 — lxc — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — lxc — multiple vulnerabilities (8 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-3375-1 Related CVEs: CVE-2016-10124 CVE-2017-5985 CVE-2016-8649 https://launchpad.net/bugs/1501491 https://launchpad.net/bugs/1501310 CVE-2015-1335 CVE-2015-1331 CVE-2015-1334 Upstream summary: It was discovered that LXC incorrectly handled the TIOCSTI ioctl. An attacker could possibly use this issue […]

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Ubuntu 22.04 — tpm2-tss — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — tpm2-tss — 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-6796-1 Related CVEs: CVE-2023-22745 CVE-2024-29040 Upstream summary: Fergus Dall discovered that TPM2 Software Stack did not properly handle layer arrays. An attacker could possibly use this issue to cause TPM2 […]

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

Ubuntu 18.04 — cyrus-imapd — 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-7224-1 Related CVEs: CVE-2019-18928 CVE-2021-33582 CVE-2024-34055 CVE-2019-11356 CVE-2019-19783 Upstream summary: It was discovered that non-authentication-related HTTP requests could be interpreted in an authentication context by a Cyrus IMAP Server when […]

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Ubuntu 18.04 — iperf3 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — iperf3 — 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-6431-1 Related CVEs: CVE-2023-38403 https://launchpad.net/bugs/2038654 Upstream summary: It was discovered that iperf3 did not properly manage certain inputs, which could lead to a crash. A remote attacker could possibly use […]

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Ubuntu 24.04 — znc — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — znc — 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-6990-1 Related CVEs: CVE-2024-39844 Upstream summary: Johannes Kuhn (DasBrain) discovered that znc incorrectly handled user input under certain operations. An attacker could possibly use this issue to execute arbitrary code […]

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

Ubuntu 22.04 — libsndfile — 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-7273-1 Related CVEs: CVE-2021-4156 CVE-2024-50612 CVE-2022-33065 Upstream summary: It was discovered that libsndfile incorrectly handled memory when executing its FLAC codec. If a user or automated system were tricked into […]

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Ubuntu 16.04 — graphviz — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — graphviz — multiple vulnerabilities (4 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-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 20.04 — cmark-gfm — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — cmark-gfm — multiple vulnerabilities (5 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-7319-1 Related CVEs: CVE-2022-39209 CVE-2023-22483 CVE-2023-22484 CVE-2023-22486 CVE-2023-26485 Upstream summary: It was discovered that cmark-gfm's autolink extension did not correctly handle parsing large inputs. An attacker could possibly use this […]

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