Common Problems

Debian 13 — libapache-mod-jk — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libapache-mod-jk — multiple vulnerabilities (7 CVEs) — patch and remediation guide

  • August 2, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 2 August 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-0774 CVE-2007-1860 CVE-2008-5519 CVE-2014-8111 CVE-2018-11759 CVE-2023-41081 CVE-2024-46544 Upstream summary: Stack-based buffer overflow in the map_uri_to_worker function (native/common/jk_uri_worker_map.c) in mod_jk.so for Apache Tomcat JK Web Server Connector 1.2.19 and […]

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SLES 16 — libQt6Svg6 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — libQt6Svg6 — vulnerability — patch and remediation guide

  • August 2, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 2 August 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2023:2967-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-32573 Upstream summary: In Qt before 5.15.14, 6.0.x through 6.2.x before 6.2.9, and 6.3.x through 6.5.x before 6.5.1, QtSvg QSvgFont m_unitsPerEm initialization is mishandled. Table […]

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openSUSE Tumbleweed — python311-multipart — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — python311-multipart — vulnerability — patch and remediation guide

  • August 2, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2026-28356 Upstream summary: multipart is a fast multipart/form-data parser for python. Prior to 1.2.2, 1.3.1 and 1.4.0-dev, the parse_options_header() function in multipart.py uses a regular […]

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SLES 16 — lua53 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — lua53 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • August 2, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 2 August 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2021:254-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-24370 CVE-2020-24371 Upstream summary: ldebug.c in Lua 5.4.0 allows a negation overflow and segmentation fault in getlocal and setlocal, as demonstrated by getlocal(3,2^31). Table of […]

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SLES 16 — taglib — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — taglib — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • August 2, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 2 August 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2017-12678 CVE-2012-2396 CVE-2018-11439 Upstream summary: In TagLib 1.11.1, the rebuildAggregateFrames function in id3v2framefactory.cpp has a pointer to cast vulnerability, which allows remote attackers to cause […]

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Common Problems 115924

Ubuntu 26.04 LTS – netplan apply fails with invalid YAML and drops networking – Fix & Prevention

  • August 2, 2026
  • Linux
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🔴 Critical   ⏱ 5–30 min  Last verified: 2 August 2026 Affected versions: Ubuntu 26.04 LTS 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]

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openSUSE Tumbleweed — libngtcp2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libngtcp2 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • August 2, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2026-40170 CVE-2024-52811 Upstream summary: ngtcp2 is a C implementation of the IETF QUIC protocol. In versions prior to 1.22.1, ngtcp2_qlog_parameters_set_transport_params() serializes peer transport parameters into […]

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Oracle Linux 9 — freerdp — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — freerdp — vulnerability — patch and remediation guide (ELSA-2026-2048)

  • August 2, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 2 August 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-2048 Related CVEs: CVE-2026-23530 CVE-2026-23531 CVE-2026-23532 CVE-2026-23533 CVE-2026-23534 CVE-2026-23883 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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CentOS Stream 9 — mecab — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — mecab — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • August 2, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 2 August 2026 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2026:5640 Related CVEs: CVE-2026-21936 CVE-2026-21937 CVE-2026-21941 CVE-2026-21948 CVE-2026-21964 CVE-2026-21968 CVE-2025-53040 CVE-2025-53042  +12 more Upstream summary: MySQL is a multi-user, multi-threaded SQL database server. It consists of the MySQL server daemon (mysqld) […]

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CentOS Stream 9 — nodejs — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — nodejs — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • August 2, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 2 August 2026 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2026:7896 Related CVEs: CVE-2026-21710 CVE-2026-26996 CVE-2026-27135 CVE-2026-27904 CVE-2026-1525 CVE-2026-1526 CVE-2026-1527 CVE-2026-1528  +12 more Upstream summary: Node.js is a software development platform for building fast and scalable network applications in the JavaScript […]

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