ubuntu

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

Ubuntu 20.04 — munge — 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-8040-1 Related CVEs: CVE-2026-25506 Upstream summary: Titouan Lazard discovered that MUNGE contained an exploitable buffer overflow in munged (the MUNGE authentication daemon). A local attacker could possibly use this issue […]

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

Ubuntu 22.04 — dnsdist — 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-8037-1 Related CVEs: CVE-2025-30193 CVE-2025-30187 CVE-2025-8671 Upstream summary: It was discovered that HTTP/2, which is used/vendored by DNSdist, did not properly account for resources when handling client-triggered stream resets. An […]

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Ubuntu 18.04 — linux-oem — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — linux-oem — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4660-1 Related CVEs: CVE-2020-14351 CVE-2020-14390 CVE-2020-25211 CVE-2020-25284 CVE-2020-25285 CVE-2020-25641 CVE-2020-25643 CVE-2020-25645  +12 more Upstream summary: It was discovered that a race condition existed in the perf subsystem of the Linux […]

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

Ubuntu 20.04 — python-filelock — 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-7999-1 Related CVEs: CVE-2025-68146 CVE-2026-22701 Upstream summary: It was discovered that Filelock incorrectly handled symlinks in temp files. A local attacker could possibly use this issue to cause lock operations […]

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Ubuntu 20.04 — python-internetarchive — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — python-internetarchive — 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-7989-1 Related CVEs: CVE-2025-58438 Upstream summary: Pengo Wray discovered that The Internet Archive Python Library incorrectly handled certain file paths when downloading files. An attacker could possibly use this issue […]

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Ubuntu 20.04 — libowasp-esapi-java — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — libowasp-esapi-java — 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-8181-1 Related CVEs: CVE-2022-23457 CVE-2022-24891 CVE-2025-5878 Upstream summary: Jaroslav Lobačevski discovered that ESAPI incorrectly validated directory paths during path verification. An attacker could possibly use this issue to bypass directory […]

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Ubuntu 22.04 — libfile-find-rule-perl — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — libfile-find-rule-perl — vulnerability — 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-7620-1 Related CVEs: CVE-2011-10007 Upstream summary: Kevin Ryde discovered that File::Find::Rule incorrectly handled certain file names. An attacker could possibly use this issue to execute arbitrary code. Table of contents […]

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

Ubuntu 22.04 — logback — 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-7616-1 Related CVEs: CVE-2023-6378 CVE-2021-42550 Upstream summary: It was discovered that logback could read malicious configuration files from LDAP servers. An attacker with the required permissions could possibly use this […]

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

Ubuntu 22.04 — snowflake — 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-7966-1 Related CVEs: CVE-2022-29189 CVE-2022-29222 CVE-2022-29190 Upstream summary: It was discovered that Pion DTLS, vendored in Snowflake, did not impose a limit on the amount of data that was buffered […]

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Ubuntu 14.04 — libxml-libxml-perl — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — libxml-libxml-perl — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-3494-1 Related CVEs: CVE-2017-10672 CVE-2015-3451 Upstream summary: It was discovered that XML::LibXML incorrectly handled memory when processing a replaceChild call. A remote attacker could possibly use this issue to execute […]

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