Common Problems

Ubuntu 20.04 — python3.9 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — python3.9 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • April 13, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 13 April 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8018-2 Related CVEs: CVE-2025-15367 CVE-2025-15366 CVE-2026-0865 https://bugs.launchpad.net/bugs/2143706 CVE-2025-15282 CVE-2026-0672 CVE-2025-13837 CVE-2025-11468  +12 more Upstream summary: USN-8018-1 fixed vulnerabilities in python3. That update introduced regressions. The patches for CVE-2025-15366 and CVE-2025-15367 […]

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Debian 13 — sylpheed — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — sylpheed — multiple vulnerabilities (8 CVEs) — patch and remediation guide

  • April 13, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 13 April 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-0667 CVE-2005-0926 CVE-2005-3354 CVE-2006-2920 CVE-2007-1267 CVE-2007-2958 CVE-2017-17517 CVE-2021-37746 Upstream summary: Buffer overflow in Sylpheed before 1.0.3 and other versions before 1.9.5 allows remote attackers to execute arbitrary code […]

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openSUSE Leap 15.6 — upx — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — upx — vulnerability — patch and remediation guide

  • April 13, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2025:14947-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-2849 Upstream summary: A vulnerability, which was classified as problematic, was found in UPX up to 5.0.0. Affected is the function PackLinuxElf64::un_DT_INIT of the […]

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Ubuntu 24.04 — wlc — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — wlc — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • April 13, 2026
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 13 April 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7981-1 Related CVEs: CVE-2026-22251 CVE-2026-22250 Upstream summary: It was discovered that wlc did not correctly handle SSL verification. An attacker could possibly use this issue to access sensitive resources. (CVE-2026-22250) […]

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openSUSE Leap 15.6 — mercurial — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — mercurial — vulnerability — patch and remediation guide

  • April 13, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2025:14912-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-2361 Upstream summary: A vulnerability was found in Mercurial SCM 4.5.3/71.19.145.211. It has been declared as problematic. This vulnerability affects unknown code of the […]

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Oracle Linux 9 — webkit2gtk3 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — webkit2gtk3 — vulnerability — patch and remediation guide (ELSA-2025-7387)

  • April 13, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 13 April 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-7387 Related CVEs: CVE-2024-54551 CVE-2024-54467 CVE-2025-30427 CVE-2025-24209 CVE-2025-24216 CVE-2024-44192 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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

Oracle Linux 8 — tigervnc — vulnerability — patch and remediation guide (ELSA-2025-9392)

  • April 13, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 13 April 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-9392 Related CVEs: CVE-2025-49180 CVE-2025-49175 CVE-2025-49178 CVE-2025-49179 CVE-2025-49176 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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Oracle Linux 9 — linux-firmware — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — linux-firmware — vulnerability — patch and remediation guide (ELSA-2025-25744)

  • April 13, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 13 April 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-25744 Related CVEs: CVE-2025-62626 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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openSUSE Leap 15.6 — ognl — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — ognl — vulnerability — patch and remediation guide

  • April 13, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2025:03285-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-53192 Upstream summary: ** UNSUPPORTED WHEN ASSIGNED ** Improper Neutralization of Expression/Command Delimiters vulnerability in Apache Commons OGNL. This issue affects Apache Commons OGNL: […]

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CentOS Stream 10 — gstreamer1-plugins-base — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 10

CentOS Stream 10 — gstreamer1-plugins-base — multiple vulnerabilities (7 CVEs) — patch and remediation guide

  • April 13, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 13 April 2026 Affected versions: CentOS Stream 10 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2026:6259 Related CVEs: CVE-2026-2920 CVE-2026-2921 CVE-2026-2922 CVE-2026-2923 CVE-2026-3082 CVE-2026-3083 CVE-2026-3085 Upstream summary: GStreamer is a streaming media framework based on graphs of filters which operate on media data. The gstreamer1-plugins-bad-free package […]

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