Linux

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: 21 May 2023 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 18.04 — xrdp — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — xrdp — multiple vulnerabilities (14 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 21 May 2023 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6474-1 Related CVEs: CVE-2022-23468 CVE-2022-23477 CVE-2022-23478 CVE-2022-23479 CVE-2022-23480 CVE-2022-23481 CVE-2022-23482 CVE-2022-23483  +6 more Upstream summary: It was discovered that xrdp incorrectly handled validation of client-supplied data, which could lead to […]

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openSUSE Tumbleweed — dhcp — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — dhcp — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2018:0810-1 (see also SUSE bugzilla) Related CVEs: CVE-2018-5732 CVE-2019-6470 CVE-2021-25217 CVE-2022-2928 CVE-2022-2929 CVE-2009-1892 CVE-2010-2156 CVE-2010-3611  +12 more Upstream summary: Failure to properly bounds-check a buffer used for processing DHCP options allows a […]

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SLES 15 — libjbig2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libjbig2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 21 May 2023 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2013-6369 CVE-2022-1210 Upstream summary: Stack-based buffer overflow in the jbg_dec_in function in libjbig/jbig.c in JBIG-KIT before 2.1 allows remote attackers to cause a denial of […]

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Oracle Linux 8 — c-ares — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — c-ares — vulnerability — patch and remediation guide (ELSA-2023-7207)

🟡 Medium   ⏱ 10–30 min  Last verified: 21 May 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-7207 Related CVEs: CVE-2020-22217 CVE-2023-31130 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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Oracle Linux 9 — thunderbird — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — thunderbird — vulnerability — patch and remediation guide (ELSA-2023-1407)

🟠 High   ⏱ 15–60 min  Last verified: 21 May 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-1407 Related CVEs: CVE-2023-25751 CVE-2023-28162 CVE-2023-25752 CVE-2023-28164 CVE-2023-28176 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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How To Create An Off-Site Backup Of Your Site With Rsync On Centos 6 — step-by-step Linux tutorial on Progressive Robot

How To Create An Off-Site Backup Of Your Site With Rsync On Centos 6

This article provides a quick way to backup the most common things in a typical web hosting scenario: website files and database data. We will setup a full daily backup of a website folder and a copying of this data to a remote server (this can also work for another VPS). We will also set up a rsync example to just copy the incremental changes. Finally, we’ll set up backup of a MySQL database.

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Alpine Linux 3.18 — hostapd — multiple vulnerabilities (16 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — hostapd — multiple vulnerabilities (16 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 2.9-r3 📖 ~4 min read  •  Source: Alpine secdb entry — hostapd 2.9-r3 Related CVEs: CVE-2021-30004 CVE-2020-12695 CVE-2019-16275 CVE-2019-11555 CVE-2019-9496 CVE-2017-13077 CVE-2017-13078 CVE-2017-13079  +8 more Upstream summary: Alpine main repository for vv3.18 ships hostapd 2.9-r3 which […]

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CentOS Stream 9 — pmix — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — pmix — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 21 May 2023 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2024:2199 Related CVEs: CVE-2023-41915 Upstream summary: The Process Management Interface (PMI) provides process management functions for MPI implementations. PMI Exascale (PMIx) provides an extended version of the PMI standard specifically designed […]

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