Linux

Ubuntu 20.04 — symfony — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — symfony — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 8 September 2024 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7272-1 Related CVEs: CVE-2022-24894 CVE-2022-24895 CVE-2023-46734 CVE-2024-50340 CVE-2024-50341 CVE-2024-50342 CVE-2024-50343 CVE-2024-50345  +3 more Upstream summary: Soner Sayakci discovered that Symfony incorrectly handled cookie storage in the web cache. An attacker […]

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Alpine Linux 3.18 — dino — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — dino — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 0.4.2-r0 📖 ~4 min read  •  Source: Alpine secdb entry — dino 0.4.2-r0 Related CVEs: CVE-2023-28686 CVE-2021-33896 Upstream summary: Alpine community repository for vv3.18 ships dino 0.4.2-r0 which addresses CVE-2023-28686. Table of contents Symptom & Impact […]

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Alpine Linux 3.18 — f2fs-tools — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — f2fs-tools — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 1.14.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — f2fs-tools 1.14.0-r0 Related CVEs: CVE-2020-6104 CVE-2020-6105 CVE-2020-6106 CVE-2020-6107 CVE-2020-6108 Upstream summary: Alpine main repository for vv3.18 ships f2fs-tools 1.14.0-r0 which addresses CVE-2020-6104. Table of contents […]

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

Debian 12 — librsync — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 September 2024 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-8242 Upstream summary: librsync before 1.0.0 uses a truncated MD4 checksum to match blocks, which makes it easier for remote attackers to modify transmitted data via a birthday […]

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Debian 11 — node-send — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — node-send — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 7 September 2024 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-6394 CVE-2015-8859 CVE-2024-43799 Upstream summary: visionmedia send before 0.8.4 for Node.js uses a partial comparison for verifying whether a directory is within the document root, which allows remote […]

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

Debian 12 — eric — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 September 2024 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-3068 Upstream summary: Unspecified vulnerability in Eric Integrated Development Environment (eric3) before 3.7.2 has unknown impact and attack vectors related to a "potential security exploit." Table of contents […]

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Debian 11 — kmail-account-wizard — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — kmail-account-wizard — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 7 September 2024 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-15954 CVE-2024-50624 Upstream summary: KDE KMail 19.12.3 (aka 5.13.3) engages in unencrypted POP3 communication during times when the UI indicates that encryption is in use. Table of contents […]

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Common Problems 114561

RHEL 9 OpenSSL Policy Too Strict for Legacy Client

🟡 Medium   ⏱ 5–30 min  Last verified: 7 September 2024 📖 ~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 & Cross-Refs References & Further […]

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Debian 12 — jansson — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — jansson — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 7 September 2024 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-6401 CVE-2016-4425 CVE-2020-36325 Upstream summary: Jansson, possibly 2.4 and earlier, does not restrict the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial […]

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