Common Problems

FreeBSD 12 — quagga-re — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — quagga-re — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 1 April 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: quagga — BGP OPEN denial of service vulnerability Related CVEs: CVE-2012-0249 CVE-2012-0250 CVE-2012-0255 CVE-2012-1820 Upstream summary: CERT reports: If a pre-configured BGP peer sends a specially-crafted OPEN message with a […]

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Arch Linux — jbig2dec — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — jbig2dec — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201711-28 Related CVEs: CVE-2017-9216 Upstream summary: Type: denial of service. Status: Fixed. Affected: 0.13-1. Fixed in: 0.14-1. Group: AVG-517. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Debian 9 — ikiwiki — vulnerability — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — ikiwiki — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 April 2019 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-9187 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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Ubuntu 18.04 — librsvg — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — librsvg — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 1 April 2019 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4436-2 Related CVEs: https://launchpad.net/bugs/1889206 CVE-2017-11464 CVE-2019-20446 Upstream summary: USN-4436-1 fixed a vulnerability in librsvg. The upstream fix caused a regression when parsing certain SVG files. This update backs out the […]

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FreeBSD 12 — vinyl — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — vinyl — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 31 March 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Vinyl/Varnish — HTTP/2 parsing deficiency Upstream summary: Vinyl Development Team reports: A deficiency in HTTP/2 request parsing can be exploited to launch a backend request desync attack (request smuggling), which […]

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FreeBSD 12 — p5-Email-Address-List — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — p5-Email-Address-List — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 31 March 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: p5-Email-Address-List — DDoS related vulnerability Related CVEs: CVE-2014-1474 CVE-2018-18898 Upstream summary: Best PRactical Solutions reports: 0.06 2019-01-02 – Changes to address CVE-2018-18898 which could allow DDoS-type attacks. Thanks to Lukas […]

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Amazon Linux 2 — SDL — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — SDL — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2019-1375 Related CVEs: CVE-2019-13616 CVE-2019-14906 CVE-2019-7572 CVE-2019-7573 CVE-2019-7574 CVE-2019-7575 CVE-2019-7576 CVE-2019-7577  +5 more Upstream summary: A heap-based buffer overflow flaw, in SDL while copying an existing surface into a new […]

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FreeBSD 12 — el-openoffice — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — el-openoffice — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 31 March 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: openoffice — DOC document heap overflow vulnerability Related CVEs: CVE-2004-0752 CVE-2005-0941 Upstream summary: AD-LAB reports that a heap-based buffer overflow vulnerability exists in OpenOffice's handling of DOC documents. When reading […]

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FreeBSD 12 — opendkim — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — opendkim — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 31 March 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: DomainKeys Identified Mail (DKIM) Verifiers may inappropriately convey message trust Upstream summary: US-CERT reports: DomainKeys Identified Mail (DKIM) Verifiers may inappropriately convey message trust when messages are signed using test […]

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FreeBSD 12 — openjpeg — multiple vulnerabilities (17 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — openjpeg — multiple vulnerabilities (17 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 31 March 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: OpenJPEG — integer overflow Related CVEs: CVE-2012-3358 CVE-2012-3535 CVE-2013-1447 CVE-2013-4289 CVE-2013-4290 CVE-2013-6045 CVE-2013-6052 CVE-2013-6053  +9 more Upstream summary: NVD reports: In OpenJPEG 2.3.0, there is an integer overflow vulnerability in […]

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