FreeBSD The Power to Serve

FreeBSD 4.11-RELEASE Errata

The FreeBSD Project

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Intel, Celeron, EtherExpress, i386, i486, Itanium, Pentium, and Xeon are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries.

Many of the designations used by manufacturers and sellers to distinguish their products are claimed as trademarks. Where those designations appear in this document, and the FreeBSD Project was aware of the trademark claim, the designations have been followed by the ``™'' or the ``®'' symbol.

This document lists errata items for FreeBSD 4.11-RELEASE, containing significant information discovered after the release or too late in the release cycle to be otherwise included in the release documentation. This information includes security advisories, as well as news relating to the software or documentation that could affect its operation or usability. An up-to-date version of this document should always be consulted before installing this version of FreeBSD.

1 Introduction

This errata document contains ``late-breaking news'' about FreeBSD 4.11-RELEASE. Before installing this version, it is important to consult this document to learn about any post-release discoveries or problems that may already have been found and fixed.

Any version of this errata document actually distributed with the release (for example, on a CDROM distribution) will be out of date by definition, but other copies are kept updated on the Internet and should be consulted as the ``current errata'' for this release. These other copies of the errata are located at, plus any sites which keep up-to-date mirrors of this location.

Source and binary snapshots of FreeBSD 4-STABLE also contain up-to-date copies of this document (as of the time of the snapshot).

For a list of all FreeBSD CERT security advisories, see or

Note: FreeBSD 4.11-RELEASE, as well as the FreeBSD 4-STABLE branch from which it comes, have reached ``End of Life'' status and are no longer supported as of 1 February 2007. Specifically, the Security Officer Team will no longer be issuing advisories against FreeBSD 4-STABLE. In addition, the Ports Manager Team will no longer perform package builds for 4-STABLE, and building ports from source on 4-STABLE is no longer supported.

Additional information on this topic can be found in a posting to the FreeBSD-STABLE mailing list.

2 Security Advisories

The following security advisories pertain to FreeBSD 4.11-RELEASE. For more information, consult the individual advisories available from

Advisory Date Topic
SA-05:01.telnet 28 March 2005

telnet client buffer overflows

SA-05:02.sendfile 4 April 2005

sendfile kernel memory disclosure

SA-05:04.ifconf 15 April 2005

Kernel memory disclosure in ifconf()

SA-05:05.cvs 22 April 2005

Multiple vulnerabilities in CVS

SA-05:06.iir 6 May 2005

Incorrect permissions on /dev/iir

SA-05:07.ldt 6 May 2005

Local kernel memory disclosure in i386_get_ldt

SA-05:08.kmem 6 May 2005

Local kernel memory disclosure

SA-05:09.htt 13 May 2005

information disclosure when using HTT

SA-05:11.gzip 9 June 2005

gzip directory traversal and permission race vulnerabilities

SA-05:14.bzip2 29 June 2005

bzip2 denial of service and permission race vulnerabilities

SA-05:15.tcp 29 June 2005

TCP connection stall denial of service

SA-06:16.smbfs 31 May 2006

smbfs chroot escape

SA-06:17.sendmail 14 June 2006

Incorrect multipart message handling in Sendmail

SA-06:18.ppp 23 August 2006

Buffer overflow in sppp(4)

SA-06:19.openssl 06 September 2006

Incorrect PKCS#1 v1.5 padding validation in crypto(3)

SA-06:21.gzip 19 September 2006

Multiple vulnerabilities in gzip(1)

SA-06:22.openssh 30 September 2006

Multiple vulnerabilities in OpenSSH

SA-06:23.openssl 28 September 2006

Multiple problems in crypto(3)

SA-06:25.kmem 6 December 2006

Kernel memory disclosure in firewire(4)

SA-06:26.gtar 6 December 2006

gtar(1) name mangling symlink vulnerability

This file, and other release-related documents, can be downloaded from

For questions about FreeBSD, read the documentation before contacting <>.

All users of FreeBSD 4-STABLE should subscribe to the <> mailing list.

For questions about this documentation, e-mail <>.

Last modified on: May 15, 2021 by Allan Jude