OpenBSD 7.6

OpenBSD 7.6 — xserver — errata 020_xserver — security advisory — syspatch and remediation — diagnosis and fix on OpenBSD 7.6

OpenBSD 7.6 — xserver — errata 020_xserver — security advisory — syspatch and remediation

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: OpenBSD 7.6 📖 ~4 min read  •  Source: OpenBSD 7.6 errata 020_xserver Errata topic: Security: xserver (All architectures) Issued: July 1, 2025 Related CVEs: CVE-2025-49176 Upstream summary: Previous fix for X11 server was incomplete. CVE-2025-49176 Table of contents Symptom & Impact Environment […]

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OpenBSD 7.6 — acme — errata 018_acme — reliability fix — syspatch and remediation — diagnosis and fix on OpenBSD 7.6

OpenBSD 7.6 — acme — errata 018_acme — reliability fix — syspatch and remediation

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: OpenBSD 7.6 📖 ~4 min read  •  Source: OpenBSD 7.6 errata 018_acme Errata topic: Reliability: acme (All architectures) Issued: June 17, 2025 Upstream summary: In acme-client(1), handle as yet unobserved "processing" state when fetching an issued certificate by retrying instead of giving […]

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OpenBSD 7.6 — ssh — errata 008_ssh — reliability fix — syspatch and remediation — diagnosis and fix on OpenBSD 7.6

OpenBSD 7.6 — ssh — errata 008_ssh — reliability fix — syspatch and remediation

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: OpenBSD 7.6 📖 ~4 min read  •  Source: OpenBSD 7.6 errata 008_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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OpenBSD 7.6 — aplsmc — errata 004_aplsmc — reliability fix — syspatch and remediation — diagnosis and fix on OpenBSD 7.6

OpenBSD 7.6 — aplsmc — errata 004_aplsmc — reliability fix — syspatch and remediation

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: OpenBSD 7.6 📖 ~4 min read  •  Source: OpenBSD 7.6 errata 004_aplsmc Errata topic: Reliability: aplsmc (arm64) Issued: October 31, 2024 Upstream summary: Updating Apple Silicon system firmware to the latest version cripples OpenBSD. This disabled the onboard WiFi. Table of contents […]

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OpenBSD 7.6 — unbound — errata 001_unbound — security advisory — syspatch and remediation — diagnosis and fix on OpenBSD 7.6

OpenBSD 7.6 — unbound — errata 001_unbound — security advisory — syspatch and remediation

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: OpenBSD 7.6 📖 ~4 min read  •  Source: OpenBSD 7.6 errata 001_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 7.6 — pffrag — errata 007_pffrag — reliability fix — syspatch and remediation — diagnosis and fix on OpenBSD 7.6

OpenBSD 7.6 — pffrag — errata 007_pffrag — reliability fix — syspatch and remediation

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: OpenBSD 7.6 📖 ~4 min read  •  Source: OpenBSD 7.6 errata 007_pffrag Errata topic: Reliability: pffrag (All architectures) Issued: February 10, 2025 Upstream summary: pf(4) could reassemble overlapping fragments into an incorrect IP packet that was too short. Table of contents Symptom […]

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OpenBSD 7.6 — ssh — errata 003_ssh — reliability fix — syspatch and remediation — diagnosis and fix on OpenBSD 7.6

OpenBSD 7.6 — ssh — errata 003_ssh — reliability fix — syspatch and remediation

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: OpenBSD 7.6 📖 ~4 min read  •  Source: OpenBSD 7.6 errata 003_ssh Errata topic: Reliability: ssh (hppa m88k mips64 powerpc powerpc64 sh sparc64) Issued: October 29, 2024 Upstream summary: mlkem768x25519-sha256 byte order bug on big-endian machines. Table of contents Symptom & Impact […]

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