Linux

SLES 15 — python2-Mako — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — python2-Mako — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 13 May 2023 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2023:496-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-40023 Upstream summary: Sqlalchemy mako before 1.2.2 is vulnerable to Regular expression Denial of Service when using the Lexer class to parse. This also affects […]

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Oracle Linux 8 — pcs — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — pcs — vulnerability — patch and remediation guide (ELSA-2023-3082)

🟡 Medium   ⏱ 10–30 min  Last verified: 13 May 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-3082 Related CVEs: CVE-2023-27539 CVE-2023-27530 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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Alpine Linux 3.18 — jetty-runner — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — jetty-runner — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 9.4.53.20231009-r0 📖 ~4 min read  •  Source: Alpine secdb entry — jetty-runner 9.4.53.20231009-r0 Related CVEs: CVE-2023-44487 CVE-2023-36478 Upstream summary: Alpine community repository for vv3.18 ships jetty-runner 9.4.53.20231009-r0 which addresses CVE-2023-44487. Table of contents Symptom & Impact […]

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Amazon Linux 2023 — file — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — file — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2023-333 Related CVEs: CVE-2022-48554 Upstream summary: File before 5.43 has an stack-based buffer over-read in file_copystr in funcs.c. NOTE: "File" is the name of an Open Source project. (CVE-2022-48554) Table […]

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openSUSE Tumbleweed — libyang2 — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libyang2 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2023-26916 Upstream summary: libyang from v2.0.164 to v2.1.30 was discovered to contain a NULL pointer dereference via the function lys_parse_mem at lys_parse_mem.c. Table of contents […]

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

Ubuntu 16.04 — postfix — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 12 May 2023 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6591-2 Related CVEs: CVE-2023-51764 https://bugs.launchpad.net/ubuntu/+source/postfix/+bug/2049337 https://bugs.launchpad.net/ubuntu/+source/postfix/+bug/2050834 Upstream summary: USN-6591-1 fixed vulnerabilities in Postfix. A fix with less risk of regression has been made available since the last update. This update […]

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Gentoo Linux — dev-libs/protobuf-c — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — dev-libs/protobuf-c — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202408-33 Related CVEs: CVE-2022-33070 CVE-2022-48468 Upstream summary: Multiple denial of service vulnerabilities have been discovered in protobuf-c. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

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

Ubuntu 22.04 — mame — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 12 May 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7913-1 Related CVEs: CVE-2022-34300 CVE-2018-16981 CVE-2021-46143 Upstream summary: It was discovered that the stb library, included in MAME, had a heap-based buffer overflow. An attacker could possibly use this issue […]

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

Ubuntu 20.04 — node-moment — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 12 May 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5559-1 Related CVEs: CVE-2022-24785 CVE-2022-31129 Upstream summary: It was discovered that Moment.js incorrectly handled certain input paths. An attacker could possibly use this issue to cause a loss of integrity […]

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Ubuntu 20.04 — gnome-control-center — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — gnome-control-center — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 12 May 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6554-1 Related CVEs: CVE-2023-5616 Upstream summary: Zygmunt Krynicki discovered that GNOME Settings did not accurately reflect the SSH remote login status when the system was configured to use systemd socket […]

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