Unrated severityNVD Advisory· Published Jan 13, 2005· Updated Jun 16, 2026
CVE-2005-0740
CVE-2005-0740
Description
The TCP stack (tcp_input.c) in OpenBSD 3.5 and 3.6 allows remote attackers to cause a denial of service (system panic) via crafted values in the TCP timestamp option, which causes invalid arguments to be used when calculating the retransmit timeout.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
18cpe:2.3:o:openbsd:openbsd:2.0:*:*:*:*:*:*:*+ 17 more
- cpe:2.3:o:openbsd:openbsd:2.0:*:*:*:*:*:*:*
- cpe:2.3:o:openbsd:openbsd:2.1:*:*:*:*:*:*:*
- cpe:2.3:o:openbsd:openbsd:2.2:*:*:*:*:*:*:*
- cpe:2.3:o:openbsd:openbsd:2.3:*:*:*:*:*:*:*
- cpe:2.3:o:openbsd:openbsd:2.4:*:*:*:*:*:*:*
- cpe:2.3:o:openbsd:openbsd:2.5:*:*:*:*:*:*:*
- cpe:2.3:o:openbsd:openbsd:2.6:*:*:*:*:*:*:*
- cpe:2.3:o:openbsd:openbsd:2.7:*:*:*:*:*:*:*
- cpe:2.3:o:openbsd:openbsd:2.8:*:*:*:*:*:*:*
- cpe:2.3:o:openbsd:openbsd:2.9:*:*:*:*:*:*:*
- cpe:2.3:o:openbsd:openbsd:3.0:*:*:*:*:*:*:*
- cpe:2.3:o:openbsd:openbsd:3.1:*:*:*:*:*:*:*
- cpe:2.3:o:openbsd:openbsd:3.2:*:*:*:*:*:*:*
- cpe:2.3:o:openbsd:openbsd:3.3:*:*:*:*:*:*:*
- cpe:2.3:o:openbsd:openbsd:3.4:*:*:*:*:*:*:*
- cpe:2.3:o:openbsd:openbsd:3.5:*:*:*:*:*:*:*
- cpe:2.3:o:openbsd:openbsd:3.6:*:*:*:*:*:*:*
- (no CPE)
Patches
Vulnerability mechanics
References
4- securitytracker.com/idnvdPatchVendor Advisory
- www.openbsd.org/errata35.htmlnvdPatchVendor Advisory
- www.securityfocus.com/bid/12250nvdExploitPatchVendor Advisory
- secunia.com/advisories/13819nvd
News mentions
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