Common Problems

Amazon Linux 2 — bash — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — bash — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2020-1503 Related CVEs: CVE-2019-9924 Upstream summary: rbash in Bash before 4.4-beta2 did not prevent the shell user from modifying BASH_CMDS, thus allowing the user to execute any command with the […]

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SLES 12 — bzip2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — bzip2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 28 January 2019 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SR:2010:018 (see also SUSE bugzilla) Related CVEs: CVE-2010-0405 CVE-2019-12900 CVE-2016-3189 Upstream summary: Integer overflow in the BZ2_decompress function in decompress.c in bzip2 and libbzip2 before 1.0.6 allows context-dependent attackers to cause a […]

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FreeBSD 12 — mysql81-client — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — mysql81-client — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 January 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: MySQL — Multiple vulnerabilities Upstream summary: Oracle reports: 36 new security patches for Oracle MySQL. 11 of these vulnerabilities may be remotely exploitable without authentication, i.e., may be exploited over […]

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

FreeBSD 12 — inn — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 January 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: inn — plaintext command injection into encrypted channel Related CVEs: CVE-2011-0411 CVE-2012-3523 Upstream summary: INN developers report: Fixed a possible plaintext command injection during the negotiation of a TLS layer. […]

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

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

🟢 Low   ⏱ 5–15 min  Last verified: 27 January 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: ircd-ratbox and charybdis — remote DoS vulnerability Upstream summary: atheme.org reports: All versions of Charybdis are vulnerable to a remotely-triggered crash bug caused by code originating from ircd-ratbox 2.0. (Incidentally, […]

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

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

🟢 Low   ⏱ 5–15 min  Last verified: 27 January 2019 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: tin — buffer overflow vulnerabilities Upstream summary: Urs Janssen and Aleksey Salow report possible buffer overflows in tin versions 1.8.0 and 1.8.1. OpenPKG project elaborates there is an allocation off-by-one […]

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Alpine Linux edge — lame — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — lame — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 3.99.5-r6 📖 ~4 min read  •  Source: Alpine secdb entry — lame 3.99.5-r6 Related CVEs: CVE-2015-9099 CVE-2015-9100 CVE-2017-9410 CVE-2017-9411 CVE-2017-9412 CVE-2017-11720 Upstream summary: Alpine main repository for vedge ships lame 3.99.5-r6 which addresses CVE-2015-9099. Table of […]

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Ubuntu 16.04 — keepalived — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — keepalived — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 27 January 2019 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-3995-1 Related CVEs: CVE-2018-19115 Upstream summary: It was discovered that Keepalived incorrectly handled certain HTTP status response codes. A remote attacker could use this issue to cause Keepalived to crash, […]

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Ubuntu 16.04 — graphite2 — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — graphite2 — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 27 January 2019 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5657-1 Related CVEs: CVE-2018-7999 CVE-2017-7771 CVE-2017-7772 CVE-2017-7773 CVE-2017-7774 CVE-2017-7775 CVE-2017-7776 CVE-2017-7777  +1 more Upstream summary: It was discovered that Graphite2 mishandled specially crafted files. An attacker could possibly use this […]

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