OpenBSD

OpenBSD 7.5 — cron — errata 006_cron — security advisory — syspatch and remediation — diagnosis and fix on OpenBSD 7.5

OpenBSD 7.5 — cron — errata 006_cron — 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 006_cron Errata topic: Security: cron (All architectures) Issued: August 19, 2024 Related CVEs: CVE-2024-43688 Upstream summary: cron(8) and crontab(1) can crash due to incorrect /step values. CVE-2024-43688 Table of contents Symptom […]

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OpenBSD 7.5 — libcrypto — errata 003_libcrypto — reliability fix — syspatch and remediation — diagnosis and fix on OpenBSD 7.5

OpenBSD 7.5 — libcrypto — errata 003_libcrypto — 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 003_libcrypto Errata topic: Reliability: libcrypto (All architectures) Issued: May 10, 2024 Upstream summary: A missing bounds check could lead to a crash in libcrypto. Table of contents Symptom & Impact Environment […]

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OpenBSD 7.4 — xserver — errata 010_xserver — multiple vulnerabilities (2 CVEs) — syspatch and remediation — diagnosis and fix on OpenBSD 7.4

OpenBSD 7.4 — xserver — errata 010_xserver — multiple vulnerabilities (2 CVEs) — syspatch and remediation

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: OpenBSD 7.4 📖 ~4 min read  •  Source: OpenBSD 7.4 errata 010_xserver Errata topic: Security: xserver (All architectures) Issued: December 14, 2023 Related CVEs: CVE-2023-6377 CVE-2023-6478 Upstream summary: Fix out of bounds memory accesses in XRandR and XKB X server extensions. CVE-2023-6377 […]

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OpenBSD 7.6 — perl — errata 015_perl — security advisory — syspatch and remediation — diagnosis and fix on OpenBSD 7.6

OpenBSD 7.6 — perl — errata 015_perl — 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 015_perl Errata topic: Security: perl (All architectures) Issued: April 13, 2025 Related CVEs: CVE-2024-56406 Upstream summary: In Perl, non-ASCII bytes in the left-hand-side of the `tr` operator can overflow an insufficiently […]

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OpenBSD 7.4 — ospfd — errata 004_ospfd — reliability fix — syspatch and remediation — diagnosis and fix on OpenBSD 7.4

OpenBSD 7.4 — ospfd — errata 004_ospfd — reliability fix — syspatch and remediation

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: OpenBSD 7.4 📖 ~4 min read  •  Source: OpenBSD 7.4 errata 004_ospfd Errata topic: Reliability: ospfd (All architectures) Issued: November 21, 2023 Upstream summary: Simple passwords which were 8 characters long caused ospfd(8) to send out packets with invalid checksum. Table of […]

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OpenBSD 7.4 — xserver — errata 001_xserver — multiple vulnerabilities (3 CVEs) — syspatch and remediation — diagnosis and fix on OpenBSD 7.4

OpenBSD 7.4 — xserver — errata 001_xserver — multiple vulnerabilities (3 CVEs) — syspatch and remediation

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: OpenBSD 7.4 📖 ~4 min read  •  Source: OpenBSD 7.4 errata 001_xserver Errata topic: Security: xserver (All architectures) Issued: October 25, 2023 Related CVEs: CVE-2023-5367 CVE-2023-5380 CVE-2023-5574 Upstream summary: Fix several input validation errors in the X server. CVE-2023-5367 CVE-2023-5380 CVE-2023-5574 Table […]

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OpenBSD 7.6 — expat — errata 011_expat — reliability fix — syspatch and remediation — diagnosis and fix on OpenBSD 7.6

OpenBSD 7.6 — expat — errata 011_expat — 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 011_expat Errata topic: Reliability: expat (All architectures) Issued: April 1, 2025 Upstream summary: In libexpat fix regression of behavior introduced by previous errata. Table of contents Symptom & Impact Environment & […]

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OpenBSD 7.6 — xserver — errata 002_xserver — security advisory — syspatch and remediation — diagnosis and fix on OpenBSD 7.6

OpenBSD 7.6 — xserver — errata 002_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 002_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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