OpenBSD 7.4

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: OpenBSD 7.4 📖 ~4 min read  •  Source: OpenBSD 7.4 errata 012_xserver Errata topic: Security: xserver (All architectures) Issued: January 16, 2024 Related CVEs: CVE-2023-6816 CVE-2024-0229 CVE-2024-0408 CVE-2024-0409 CVE-2024-21885 CVE-2024-21886 Upstream summary: Fix multiple xserver heap buffer overflows, out of bounds memory […]

🟠 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 […]

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: OpenBSD 7.4 📖 ~4 min read  •  Source: OpenBSD 7.4 errata 016_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 […]

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: OpenBSD 7.4 📖 ~4 min read  •  Source: OpenBSD 7.4 errata 020_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 […]

🟠 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 […]

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: OpenBSD 7.4 📖 ~4 min read  •  Source: OpenBSD 7.4 errata 013_unbound Errata topic: Security: unbound (All architectures) Issued: February 13, 2024 Related CVEs: CVE-2023-50387 CVE-2023-50868 Upstream summary: DNSSEC protocol vulnerabilities have been discovered that render various DNSSEC validators victims of Denial […]

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: OpenBSD 7.4 📖 ~4 min read  •  Source: OpenBSD 7.4 errata 007_perl Errata topic: Security: perl (All architectures) Issued: November 29, 2023 Related CVEs: CVE-2023-47038 Upstream summary: A crafted regular expression when compiled by perl can cause a one-byte attacker controlled buffer […]

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: OpenBSD 7.4 📖 ~4 min read  •  Source: OpenBSD 7.4 errata 015_expat Errata topic: Security: expat (All architectures) Issued: March 18, 2024 Related CVEs: CVE-2024-28757 Upstream summary: In libexpat fix billion laughs attack vulnerability CVE-2024-28757. Table of contents Symptom & Impact Environment […]

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: OpenBSD 7.4 📖 ~4 min read  •  Source: OpenBSD 7.4 errata 019_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 […]

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: OpenBSD 7.4 📖 ~4 min read  •  Source: OpenBSD 7.4 errata 002_msplit Errata topic: Security: msplit (All architectures) Issued: October 25, 2023 Upstream summary: A network buffer that had to be split at certain length could crash the kernel. Table of contents […]