ubuntu

Ubuntu 20.04 — libapache-mod-jk — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — libapache-mod-jk — 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-6826-1 Related CVEs: CVE-2023-41081 Upstream summary: Karl von Randow discovered that mod_jk was vulnerable to an authentication bypass. If the configuration did not provide explicit mounts for all possible proxied […]

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Ubuntu 20.04 — node-browserify-sign — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — node-browserify-sign — 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-6800-1 Related CVEs: CVE-2023-46234 Upstream summary: It was discovered that browserify-sign incorrectly handled an upper bound check in signature verification. If a user or an automated system were tricked into […]

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Ubuntu 16.04 — python-werkzeug — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — python-werkzeug — multiple vulnerabilities (6 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-6799-1 Related CVEs: CVE-2024-34069 CVE-2023-23934 CVE-2023-25577 CVE-2019-14806 CVE-2020-28724 CVE-2016-10516 Upstream summary: It was discovered that the debugger in Werkzeug was not restricted to trusted hosts. A remote attacker could possibly […]

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Ubuntu 18.04 — opencv — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — opencv — multiple vulnerabilities (9 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-7247-1 Related CVEs: CVE-2019-14493 CVE-2019-16249 CVE-2019-19624 CVE-2023-2617 CVE-2023-2618 CVE-2019-15939 CVE-2019-14491 CVE-2017-18009  +1 more Upstream summary: It was discovered that OpenCV did not properly manage certain XML data, leading to a […]

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

Ubuntu 20.04 — gpac — 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-7320-1 Related CVEs: CVE-2023-5520 CVE-2024-0321 CVE-2024-0322 Upstream summary: It was discovered that the GPAC MP4Box utility incorrectly handled certain AC3 files, which could lead to an out-of-bounds read. A remote […]

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

Ubuntu 18.04 — gawk — 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-6373-1 Related CVEs: CVE-2023-4156 Upstream summary: It was discovered that gawk could be made to read out of bounds when processing certain inputs. If a user or an automated system […]

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Ubuntu 16.04 — ujson — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — ujson — multiple vulnerabilities (3 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-6629-1 Related CVEs: CVE-2021-45958 CVE-2022-31116 CVE-2022-31117 Upstream summary: It was discovered that UltraJSON incorrectly handled certain input with a large amount of indentation. An attacker could possibly use this issue […]

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Ubuntu 22.04 — opencv — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — opencv — multiple vulnerabilities (5 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-7247-1 Related CVEs: CVE-2019-14493 CVE-2019-16249 CVE-2019-19624 CVE-2023-2617 CVE-2023-2618 Upstream summary: It was discovered that OpenCV did not properly manage certain XML data, leading to a NULL pointer dereference. If a […]

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

Ubuntu 24.04 — pymongo — 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-6904-1 Related CVEs: CVE-2024-5629 Upstream summary: It was discovered that PyMongo incorrectly handled certain BSON. An attacker could possibly use this issue to read sensitive information or cause a crash. […]

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