Package Management

openSUSE Leap 15.5 — python311-M2Crypto — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — python311-M2Crypto — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.5 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2022:2562-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-25657 Upstream summary: A flaw was found in all released versions of m2crypto, where they are vulnerable to Bleichenbacher timing attacks in the RSA […]

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NetBSD 9.4 — qt5-qtwebsockets — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — qt5-qtwebsockets — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2018-21035 Upstream summary: pkgsrc audit-packages flagged qt5-qtwebsockets<5.15.0 for vulnerability class 'denial-of-service'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2018-21035 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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FreeBSD 14 — libgit — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — libgit — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 31 January 2024 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Libgit2 — multiple vulnerabilities Related CVEs: CVE-2018-10887 CVE-2018-10888 CVE-2018-11235 CVE-2018-17456 CVE-2024-24577 Upstream summary: Git community reports: A bug in git_revparse_single is fixed that could have caused the function to enter […]

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FreeBSD 14 — py35-gunicorn — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — py35-gunicorn — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 31 January 2024 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-gunicorn — CWE-113 vulnerability Related CVEs: CVE-2018-1000164 Upstream summary: Everardo reports: gunicorn version 19.4.5 contains a CWE-113: Improper Neutralization of CRLF Sequences in HTTP Headers vulnerability in process_headers function in […]

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NetBSD 9.4 — php55-mbstring — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — php55-mbstring — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2016-5768 Upstream summary: pkgsrc audit-packages flagged php55-mbstring>=5.5<5.5.37 for vulnerability class 'denial-of-service'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5768 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Debian 12 — uglify-js — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — uglify-js — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 31 January 2024 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-37598 Upstream summary: Prototype pollution vulnerability in function DEFNODE in ast.js in mishoo UglifyJS 3.13.2 via the name variable in ast.js. NOTE: the vendor considers this an invalid […]

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Alpine Linux edge — xrdp — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — xrdp — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0.9.23.1-r0 📖 ~4 min read  •  Source: Alpine secdb entry — xrdp 0.9.23.1-r0 Related CVEs: CVE-2023-42822 CVE-2023-40184 CVE-2022-23468 CVE-2022-23477 CVE-2022-23478 CVE-2022-23479 CVE-2022-23480 CVE-2022-23481  +12 more Upstream summary: Alpine community repository for vedge ships xrdp 0.9.23.1-r0 which […]

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FreeBSD 14 — rubygem-rack — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — rubygem-rack — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 31 January 2024 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: rack — possible denial of service vulnerability in header parsing Related CVEs: CVE-2011-4815 CVE-2011-4838 CVE-2011-5036 CVE-2011-5037 CVE-2015-1840 CVE-2015-3224 CVE-2015-3225 CVE-2015-3226  +7 more Upstream summary: ooooooo_q reports: Carefully crafted input can […]

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How to Configure Database Connection Pooling with PgBouncer on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Configure Database Connection Pooling with PgBouncer on RHEL 9

PgBouncer is a lightweight PostgreSQL connection pooler that solves one of PostgreSQL’s most common scalability problems: the high cost of creating new database connections. Unlike MySQL, PostgreSQL spawns a new OS process for each client connection, which consumes approximately 5–10 MB of memory and requires significant CPU time to establish. Web applications that open hundreds […]

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