Common Problems

Debian 13 — ruby3.3 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — ruby3.3 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2024-39908 CVE-2024-41123 CVE-2024-41946 CVE-2024-43398 CVE-2024-49761 CVE-2025-24294 CVE-2025-25186 CVE-2025-27219  +12 more Upstream summary: REXML is an XML toolkit for Ruby. The REXML gem before 3.3.1 has some DoS vulnerabilities […]

Read more
Debian 11 — phpunit — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — phpunit — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2017-9841 CVE-2026-24765 CVE-2026-41570 Upstream summary: Util/PHP/eval-stdin.php in PHPUnit before 4.8.28 and 5.x before 5.6.3 allows remote attackers to execute arbitrary PHP code via HTTP POST data beginning with […]

Read more
Debian 11 — streamlink — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — streamlink — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2026-44353 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

Read more
Debian 13 — sddm — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — sddm — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-7271 CVE-2014-7272 CVE-2015-0856 CVE-2018-14345 CVE-2020-28049 Upstream summary: Simple Desktop Display Manager (SDDM) before 0.10.0 allows local users to log in as user "sddm" without authentication. Table of contents […]

Read more
Debian 11 — leaflet — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — leaflet — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2025-69993 Upstream summary: Leaflet versions up to and including 1.9.4 are vulnerable to Cross-Site Scripting (XSS) via the bindPopup() method. This method renders user-supplied input as raw HTML […]

Read more
Debian 12 — tmate — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — tmate — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2026-4751 Upstream summary: NULL Pointer Dereference vulnerability in tmate-io tmate.This issue affects tmate: before 2.4.0. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick […]

Read more
Ubuntu 24.04 — tiff — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — tiff — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8113-1 Related CVEs: CVE-2025-61144 CVE-2025-61143 CVE-2025-8961 CVE-2025-9165 CVE-2025-9900 CVE-2025-8177 CVE-2025-8851 CVE-2025-8534  +3 more Upstream summary: It was discovered that LibTIFF did not properly handle memory when processing certain images. An […]

Read more
Ubuntu 22.04 — gdk-pixbuf — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — gdk-pixbuf — 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-8156-1 Related CVEs: CVE-2026-5201 CVE-2025-6199 CVE-2025-7345 CVE-2022-48622 CVE-2021-44648 Upstream summary: It was discovered that GDK-PixBuf incorrectly handled certain JPEG files. An attacker could use this issue to cause GDK-PixBuf to […]

Read more
Ubuntu 20.04 — libheif — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — libheif — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7952-1 Related CVEs: CVE-2024-25269 CVE-2025-68431 CVE-2019-11471 CVE-2020-23109 CVE-2023-0996 CVE-2023-29659 CVE-2023-49460 CVE-2023-49462  +2 more Upstream summary: It was discovered that libheif did not correctly handle certain memory operations. An attacker could […]

Read more
SLES 16 — runc — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — runc — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2023:2958-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-19921 CVE-2021-30465 CVE-2023-27561 CVE-2024-21626 CVE-2025-31133 CVE-2025-52565 CVE-2025-52881 CVE-2016-9962  +7 more Upstream summary: runc through 1.0.0-rc9 has Incorrect Access Control leading to Escalation of Privileges, related […]

Read more
CHAT