Linux

Debian 12 — libpoe-component-irc-perl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libpoe-component-irc-perl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 December 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2010-3438 Upstream summary: libpoe-component-irc-perl before v6.32 does not remove carriage returns and line feeds. This can be used to execute arbitrary IRC commands by passing an argument such […]

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Debian 12 — postfix — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — postfix — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 16 December 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2003-0468 CVE-2003-0540 CVE-2005-0337 CVE-2008-2936 CVE-2008-2937 CVE-2008-3889 CVE-2009-2939 CVE-2011-0411  +3 more Upstream summary: Postfix 1.1.11 and earlier allows remote attackers to use Postfix to conduct "bounce scans" or DDos […]

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

Oracle Linux 8 — firefox — vulnerability — patch and remediation guide (ELSA-2023-5433)

🟠 High   ⏱ 15–60 min  Last verified: 16 December 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-5433 Related CVEs: CVE-2023-3600 CVE-2023-5176 CVE-2023-5217 CVE-2023-5169 CVE-2023-5171 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 8 — mutt — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — mutt — vulnerability — patch and remediation guide (ELSA-2024-3058)

🟡 Medium   ⏱ 10–30 min  Last verified: 16 December 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-3058 Related CVEs: CVE-2023-4875 CVE-2023-4874 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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Alpine Linux 3.19 — fetchmail — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — fetchmail — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 6.4.22-r0 📖 ~4 min read  •  Source: Alpine secdb entry — fetchmail 6.4.22-r0 Related CVEs: CVE-2021-39272 CVE-2021-36386 Upstream summary: Alpine community repository for vv3.19 ships fetchmail 6.4.22-r0 which addresses CVE-2021-39272. Table of contents Symptom & Impact […]

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Oracle Linux 9 — pki-core — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — pki-core — vulnerability — patch and remediation guide (ELSA-2022-7326)

🟠 High   ⏱ 15–60 min  Last verified: 16 December 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-7326 Related CVEs: CVE-2022-2414 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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Debian 12 — beep — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — beep — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 15 December 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-0492 CVE-2018-1000532 Upstream summary: Johnathan Nightingale beep through 1.3.4, if setuid, has a race condition that allows local privilege escalation. Table of contents Symptom & Impact Environment & […]

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Debian 12 — ruby-apollo-upload-server — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — ruby-apollo-upload-server — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 15 December 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-39880 Upstream summary: A Denial Of Service vulnerability in the apollo_upload_server Ruby gem in GitLab CE/EE all versions starting from 11.9 before 14.0.9, all versions starting from 14.1 […]

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

Debian 12 — dist — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 15 December 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-4949 Upstream summary: dist 3.5 allows local users to overwrite arbitrary files via a symlink attack on (a) /tmp/cil#####, (b) /tmp/pdo#####, and (c) /tmp/pdn##### temporary files, related to […]

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Alpine Linux 3.19 — libspf2 — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — libspf2 — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 1.2.11-r3 📖 ~4 min read  •  Source: Alpine secdb entry — libspf2 1.2.11-r3 Related CVEs: CVE-2023-42118 CVE-2021-33912 CVE-2021-33913 CVE-2021-20314 Upstream summary: Alpine main repository for vv3.19 ships libspf2 1.2.11-r3 which addresses CVE-2023-42118. Table of contents Symptom […]

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