Common Problems

NetBSD 9.4 — html2ps — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — html2ps — vulnerability — patch and remediation guide

  • December 9, 2023
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Upstream summary: pkgsrc audit-packages flagged html2ps<1.0b6 for vulnerability class 'sensitive-information-exposure'. Reference: http://secunia.com/advisories/39957/ Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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FreeBSD 14 — py27-djblets — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — py27-djblets — security advisory — patch and remediation guide

  • December 9, 2023
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 9 December 2023 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-djblets — Self-XSS vulnerability Upstream summary: Djblets Release Notes reports: A recently-discovered vulnerability in the datagrid templates allows an attacker to generate a URL to any datagrid page containing malicious […]

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openSUSE Tumbleweed — owasp-modsecurity-crs — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — owasp-modsecurity-crs — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • December 9, 2023
  • Linux
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🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2023-38199 CVE-2023-5003 CVE-2021-40438 Upstream summary: coreruleset (aka OWASP ModSecurity Core Rule Set) through 3.3.4 does not detect multiple Content-Type request headers on some platforms. This […]

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Debian 12 — libitext-java — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libitext-java — vulnerability — patch and remediation guide

  • December 9, 2023
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 9 December 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-37819 Upstream summary: PDF Labs pdftk-java v3.2.3 was discovered to contain an infinite loop via the component /text/pdf/PdfReader.java. Table of contents Symptom & Impact Environment & Reproduction Root […]

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NetBSD 9.4 — py-ruamel-yaml — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — py-ruamel-yaml — vulnerability — patch and remediation guide

  • December 9, 2023
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2019-20478 Upstream summary: pkgsrc audit-packages flagged py{27,36,37,38}-ruamel-yaml-[0-9]* for vulnerability class 'arbitrary-code-execution'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2019-20478 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Debian 12 — liquidsoap — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — liquidsoap — vulnerability — patch and remediation guide

  • December 9, 2023
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 9 December 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-4965 Upstream summary: liguidsoap.py in liguidsoap 0.3.8.1+2 allows local users to overwrite arbitrary files via a symlink attack on (1) /tmp/liguidsoap.liq, (2) /tmp/lig.#####.log, and (3) /tmp/emission.ogg temporary files. […]

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

Oracle Linux 8 — kernel — vulnerability — patch and remediation guide (ELSA-2025-22801)

  • December 9, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 9 December 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-22801 Related CVEs: CVE-2022-50543 CVE-2023-53401 CVE-2023-53539 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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NetBSD 9.4 — mit-krb5-appl — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — mit-krb5-appl — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • December 9, 2023
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2011-4862 CVE-2019-25017 CVE-2019-25018 Upstream summary: pkgsrc audit-packages flagged mit-krb5-appl<1.0.1nb1 for vulnerability class 'remote-system-access'. Reference: http://web.mit.edu/kerberos/www/advisories/MITKRB5-SA-2011-005.txt Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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Alpine Linux 3.18 — optipng — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — optipng — vulnerability — patch and remediation guide

  • December 9, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 0.7.8-r0 📖 ~4 min read  •  Source: Alpine secdb entry — optipng 0.7.8-r0 Related CVEs: CVE-2023-43907 Upstream summary: Alpine community repository for vv3.18 ships optipng 0.7.8-r0 which addresses CVE-2023-43907. Table of contents Symptom & Impact Environment […]

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

Oracle Linux 9 — libwebp — vulnerability — patch and remediation guide (ELSA-2023-5214)

  • December 9, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 9 December 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-5214 Related CVEs: CVE-2023-4863 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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