A new libksba vulnerability update is available for Ubuntu Linux. Here the announcement:

Ubuntu Security Notice USN-365-1 October 16, 2006
libksba vulnerability
CVE-2006-5111
==========================
==========================
=========

A security issue affects the following Ubuntu releases:

Ubuntu 5.04

This advisory also applies to the corresponding versions of
Kubuntu, Edubuntu, and Xubuntu.

The problem can be corrected by upgrading your system to the
following package versions:

Ubuntu 5.04:
libksba8 0.9.9-2ubuntu0.5.04

After a standard system upgrade you need to restart your session to
effect the necessary changes.

Details follow:

A parsing failure was discovered in the handling of X.509 certificates
that contained extra trailing data. Malformed or malicious certificates
could cause services using libksba to crash, potentially creating a
denial of service.


Updated packages for Ubuntu 5.04:

Source archives:

http://security.ubuntu.com/ubuntu/pool/main/libk/libksba/libksba_0.9.9-=
2ubuntu0.5.04.diff.gz
Size/MD5: 256789 7814506294c66d47a7acc67325acf5ba
http://security.ubuntu.com/ubuntu/pool/main/libk/libksba/libksba_0.9.9-=
2ubuntu0.5.04.dsc
Size/MD5: 675 b3398604d25bcbcb7dda502b0b36428d
http://security.ubuntu.com/ubuntu/pool/main/libk/libksba/libksba_0.9.9.=
orig.tar.gz
Size/MD5: 398846 458c6880f6cb191b65a6436877e413b8

amd64 architecture (Athlon64, Opteron, EM64T Xeon)

http://security.ubuntu.com/ubuntu/pool/main/libk/libksba/libksba-dev_0.=
9.9-2ubuntu0.5.04_amd64.deb
Size/MD5: 132624 475f536666cc3b96aee0ccc6c9b3847d
http://security.ubuntu.com/ubuntu/pool/main/libk/libksba/libksba8_0.9.9=
-2ubuntu0.5.04_amd64.deb
Size/MD5: 92024 7eda61b96dedbdf5b73437819e3cbfc3

i386 architecture (x86 compatible Intel/AMD)

http://security.ubuntu.com/ubuntu/pool/main/libk/libksba/libksba-dev_0.=
9.9-2ubuntu0.5.04_i386.deb
Size/MD5: 118938 af9a322a0a826922f505c4949b1c67ad
http://security.ubuntu.com/ubuntu/pool/main/libk/libksba/libksba8_0.9.9=
-2ubuntu0.5.04_i386.deb
Size/MD5: 83352 49589a5bd441daf84384ed46809c296b

powerpc architecture (Apple Macintosh G3/G4/G5)

http://security.ubuntu.com/ubuntu/pool/main/libk/libksba/libksba-dev_0.=
9.9-2ubuntu0.5.04_powerpc.deb
Size/MD5: 133464 665fb8a0e1672bfbef24a23abde1eb18
http://security.ubuntu.com/ubuntu/pool/main/libk/libksba/libksba8_0.9.9=
-2ubuntu0.5.04_powerpc.deb
Size/MD5: 87838 2869d3fec34920fb112502a49fd995d6


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