OpenBSD 7.5

OpenBSD 7.5 — xserver — errata 012_xserver — security advisory — syspatch and remediation — diagnosis and fix on OpenBSD 7.5

OpenBSD 7.5 — xserver — errata 012_xserver — security advisory — syspatch and remediation

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: OpenBSD 7.5 📖 ~4 min read  •  Source: OpenBSD 7.5 errata 012_xserver Errata topic: Security: xserver (All architectures) Issued: October 29, 2024 Related CVEs: CVE-2024-9632 Upstream summary: Fix memory allocation error in the Xkb X11 server extension. CVE-2024-9632 Table of contents Symptom […]

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OpenBSD 7.5 — unbound — errata 011_unbound — security advisory — syspatch and remediation — diagnosis and fix on OpenBSD 7.5

OpenBSD 7.5 — unbound — errata 011_unbound — security advisory — syspatch and remediation

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: OpenBSD 7.5 📖 ~4 min read  •  Source: OpenBSD 7.5 errata 011_unbound Errata topic: Security: unbound (All architectures) Issued: October 14, 2024 Related CVEs: CVE-2024-8508 Upstream summary: Querying a maliciously constructed DNS zone could result in degraded performance or denial of service. […]

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OpenBSD 7.5 — xserver — errata 001_xserver — multiple vulnerabilities (3 CVEs) — syspatch and remediation — diagnosis and fix on OpenBSD 7.5

OpenBSD 7.5 — xserver — errata 001_xserver — multiple vulnerabilities (3 CVEs) — syspatch and remediation

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: OpenBSD 7.5 📖 ~4 min read  •  Source: OpenBSD 7.5 errata 001_xserver Errata topic: Security: xserver (All architectures) Issued: April 8, 2024 Related CVEs: CVE-2024-31080 CVE-2024-31081 CVE-2024-31083 Upstream summary: Fix multiple heap buffer overread and data leakage in the X11 server Xi […]

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OpenBSD 7.5 — sndiod — errata 005_sndiod — reliability fix — syspatch and remediation — diagnosis and fix on OpenBSD 7.5

OpenBSD 7.5 — sndiod — errata 005_sndiod — reliability fix — syspatch and remediation

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: OpenBSD 7.5 📖 ~4 min read  •  Source: OpenBSD 7.5 errata 005_sndiod Errata topic: Security: sndiod (All architectures) Issued: August 2, 2024 Upstream summary: sndiod(8) main process could crash due to buffer overread. Table of contents Symptom & Impact Environment & Reproduction […]

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OpenBSD 7.5 — miniroot — errata 002_miniroot — reliability fix — syspatch and remediation — diagnosis and fix on OpenBSD 7.5

OpenBSD 7.5 — miniroot — errata 002_miniroot — reliability fix — syspatch and remediation

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: OpenBSD 7.5 📖 ~4 min read  •  Source: OpenBSD 7.5 errata 002_miniroot Errata topic: Reliability: miniroot (alpha) Issued: April 11, 2024 Upstream summary: Install media for alpha architecture was broken due to strip(1) bug. Table of contents Symptom & Impact Environment & […]

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OpenBSD 7.5 — expat — errata 007_expat — multiple vulnerabilities (3 CVEs) — syspatch and remediation — diagnosis and fix on OpenBSD 7.5

OpenBSD 7.5 — expat — errata 007_expat — multiple vulnerabilities (3 CVEs) — syspatch and remediation

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: OpenBSD 7.5 📖 ~4 min read  •  Source: OpenBSD 7.5 errata 007_expat Errata topic: Security: expat (All architectures) Issued: September 17, 2024 Related CVEs: CVE-2024-45490 CVE-2024-45491 CVE-2024-45492 Upstream summary: In libexpat add integer range checks. CVE-2024-45490 CVE-2024-45491 CVE-2024-45492 Table of contents Symptom […]

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OpenBSD 7.5 — readdir — errata 009_readdir — reliability fix — syspatch and remediation — diagnosis and fix on OpenBSD 7.5

OpenBSD 7.5 — readdir — errata 009_readdir — reliability fix — syspatch and remediation

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: OpenBSD 7.5 📖 ~4 min read  •  Source: OpenBSD 7.5 errata 009_readdir Errata topic: Security: readdir (All architectures) Issued: September 17, 2024 Upstream summary: In readdir name validation exclude any '/' to avoid unexpected directory traversal on untrusted file systems. Table of […]

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OpenBSD 7.5 — ssh — errata 017_ssh — reliability fix — syspatch and remediation — diagnosis and fix on OpenBSD 7.5

OpenBSD 7.5 — ssh — errata 017_ssh — reliability fix — syspatch and remediation

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: OpenBSD 7.5 📖 ~4 min read  •  Source: OpenBSD 7.5 errata 017_ssh Errata topic: Security: ssh (All architectures) Issued: February 18, 2025 Upstream summary: sshd(8) denial of service relating to SSH2_MSG_PING handling. ssh(1) server impersonation when VerifyHostKeyDNS enabled. Table of contents Symptom […]

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