OpenBSD

OpenBSD 7.5 — perl — errata 025_perl — security advisory — syspatch and remediation — diagnosis and fix on OpenBSD 7.5

OpenBSD 7.5 — perl — errata 025_perl — 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 025_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 […]

Read more
OpenBSD 7.5 — xserver — errata 018_xserver — multiple vulnerabilities (8 CVEs) — syspatch and remediation — diagnosis and fix on OpenBSD 7.5

OpenBSD 7.5 — xserver — errata 018_xserver — multiple vulnerabilities (8 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 018_xserver Errata topic: Security: xserver (All architectures) Issued: February 25, 2025 Related CVEs: CVE-2025-26594 CVE-2025-26595 CVE-2025-26596 CVE-2025-26597 CVE-2025-26598 CVE-2025-26599 CVE-2025-26600 CVE-2025-26601 Upstream summary: Multiple X server issues. CVE-2025-26594 CVE-2025-26595 CVE-2025-26596 CVE-2025-26597 […]

Read more
OpenBSD 7.5 — expat — errata 021_expat — reliability fix — syspatch and remediation — diagnosis and fix on OpenBSD 7.5

OpenBSD 7.5 — expat — errata 021_expat — 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 021_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 & […]

Read more
OpenBSD 7.4 — ssh — errata 011_ssh — reliability fix — syspatch and remediation — diagnosis and fix on OpenBSD 7.4

OpenBSD 7.4 — ssh — errata 011_ssh — reliability fix — 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 011_ssh Errata topic: Security: ssh (All architectures) Issued: December 18, 2023 Upstream summary: An SSH protocol weakness (the Terrapin Attack) exists that allows an on-path adversary to disable keystroke timing obfuscation. […]

Read more
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 […]

Read more
OpenBSD 7.4 — bgpd — errata 017_bgpd — reliability fix — syspatch and remediation — diagnosis and fix on OpenBSD 7.4

OpenBSD 7.4 — bgpd — errata 017_bgpd — 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 017_bgpd Errata topic: Reliability: bgpd (All architectures) Issued: June 26, 2024 Upstream summary: Repair a withdraw desyncronization problem in bgpd(8). Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

Read more
OpenBSD 7.6 — expat — errata 005_expat — security advisory — syspatch and remediation — diagnosis and fix on OpenBSD 7.6

OpenBSD 7.6 — expat — errata 005_expat — 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 005_expat Errata topic: Security: expat (All architectures) Issued: November 15, 2024 Related CVEs: CVE-2024-50602 Upstream summary: In libexpat fix crash within function XML_ResumeParser. CVE-2024-50602 Table of contents Symptom & Impact Environment […]

Read more
OpenBSD 7.4 — httpd — errata 006_httpd — reliability fix — syspatch and remediation — diagnosis and fix on OpenBSD 7.4

OpenBSD 7.4 — httpd — errata 006_httpd — 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 006_httpd Errata topic: Reliability: httpd (All architectures) Issued: November 21, 2023 Upstream summary: httpd(8): Avoid a NULL dereference when handling a malformed fastcgi request. Table of contents Symptom & Impact Environment […]

Read more
OpenBSD 7.6 — libcrypto — errata 023_libcrypto — reliability fix — syspatch and remediation — diagnosis and fix on OpenBSD 7.6

OpenBSD 7.6 — libcrypto — errata 023_libcrypto — 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 023_libcrypto Errata topic: Security: libcrypto (All architectures) Issued: September 30, 2025 Upstream summary: Fix out-of-bounds read and write, memory leaks and incorrect error check for CMS enveloped data. Table of contents […]

Read more
CHAT