Security Hardening

FreeBSD 12 — py27-bleach — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py27-bleach — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-bleach — regular expression denial-of-service Related CVEs: CVE-2020-6817 Upstream summary: Bleach developers reports: bleach.clean behavior parsing style attributes could result in a regular expression denial of service (ReDoS). Calls to […]

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FreeBSD 12 — bnc — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — bnc — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: fd_set — bitmap index overflow in multiple applications Related CVEs: CVE-2004-1052 Upstream summary: 3APA3A reports: If programmer fails to check socket number before using select() or fd_set macros, it's possible […]

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FreeBSD 12 — snort — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — snort — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: snort — DCE/RPC preprocessor vulnerability Related CVEs: CVE-2006-5276 Upstream summary: A IBM Internet Security Systems Protection Advisory reports: Snort is vulnerable to a stack-based buffer overflow as a result of […]

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FreeBSD 14 — php71-imap — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — php71-imap — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: php-imap — imap_open allows to run arbitrary shell commands via mailbox parameter Upstream summary: The PHP team reports: imap_open allows to run arbitrary shell commands via mailbox parameter. Table of […]

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FreeBSD 14 — doas — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — doas — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: doas — Prevent passing of environment variables Upstream summary: Jesse Smith (upstream author of the doas program) reported: Previous versions of "doas" transferred most environment variables, such as USER, HOME, […]

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FreeBSD 14 — tmux — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — tmux — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: tmux — stack overflow in CSI parsing Upstream summary: Nicholas Marriott reports: tmux has a stack overflow in CSI parsing. Table of contents Symptom & Impact Environment & Reproduction Root […]

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FreeBSD 14 — ksh — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — ksh — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: ksh93 — certain environment variables interpreted as arithmetic expressions on startup, leading to code injection Upstream summary: Upstream ksh93 maintainer Siteshwar Vashisht reports: A flaw was found in the way […]

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FreeBSD 14 — py36-cairosvg — security advisory — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — py36-cairosvg — security advisory — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: CairoSVG — Regular Expression Denial of Service vulnerability Upstream summary: CairoSVG security advisories: When processing SVG files, the python package CairoSVG uses two regular expressions which are vulnerable to Regular […]

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