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CVE-2005-0740 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
http://secunia.com/advisories/13819	CVE
http://securitytracker.com/id?1012861	CVE	PatchVendor Advisory
http://www.openbsd.org/errata35.html	CVE	PatchVendor Advisory
http://www.securityfocus.com/bid/12250	CVE	ExploitPatchVendor Advisory
http://secunia.com/advisories/13819	[email protected]
http://securitytracker.com/id?1012861	[email protected]	PatchVendor Advisory
http://www.openbsd.org/errata35.html	[email protected]	PatchVendor Advisory
http://www.securityfocus.com/bid/12250	[email protected]	ExploitPatchVendor Advisory

see all 8 references

Weakness Enumeration

CWE-ID	CWE Name	Source
NVD-CWE-Other	Weakness Not in a Standard CWE Category	[email protected]

Affected Products

Product	Versions
openbsd openbsd	2.0 2.1 2.2 2.3 2.4
CPE 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:::::::* Remediation No remediation found in references.

Product

Versions

openbsd openbsd

2.0

2.1

2.2

2.3

2.4

CPE

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:*:*:*:*:*:*:*

Remediation

No remediation found in references.

Change History

5 change records found show changes

Date	Action	Recorded By
Jun 16, 2026	CVE Modified	[email protected]
Apr 16, 2026		[email protected]
Nov 20, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Jun 10, 2005	Initial Analysis	[email protected]