A new Cairo regression update is available for Ubuntu Linux. Here the announcement:
Ubuntu Security Notice USN-550-3 December 13, 2007
libcairo regression
https://launchpad.net/bugs/175573
==========================
==========================
=========
A security issue affects the following Ubuntu releases:
Ubuntu 6.06 LTS
Ubuntu 6.10
Ubuntu 7.04
Ubuntu 7.10
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 6.06 LTS:
libcairo2 1.0.4-0ubuntu1.2
Ubuntu 6.10:
libcairo2 1.2.4-1ubuntu2.2
Ubuntu 7.04:
libcairo2 1.4.2-0ubuntu1.3
Ubuntu 7.10:
libcairo2 1.4.10-1ubuntu4.4
After a standard system upgrade you need to restart your session to effect
the necessary changes.
Details follow:
USN-550-1 fixed vulnerabilities in Cairo. A bug in font glyph rendering
was uncovered as a result of the new memory allocation routines. In
certain situations, fonts containing characters with no width or height
would not render any more. This update fixes the problem.
We apologize for the inconvenience.
Original advisory details:
Peter Valchev discovered that Cairo did not correctly decode PNG image dat=
a.
By tricking a user or automated system into processing a specially crafted
PNG with Cairo, a remote attacker could execute arbitrary code with user
privileges.
Updated packages for Ubuntu 6.06 LTS:
Source archives:
http://security.ubuntu.com/ubuntu/pool/main/libc/libcairo/libcairo_1.0.=
4-0ubuntu1.2.diff.gz
Size/MD5: 21759 e41fe630a06c82f9a7f977ace3b72098
http://security.ubuntu.com/ubuntu/pool/main/libc/libcairo/libcairo_1.0.=
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Size/MD5: 758 6c51cf24a74fedd37809e4cc1a7b2f9d
http://security.ubuntu.com/ubuntu/pool/main/libc/libcairo/libcairo_1.0.=
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Size/MD5: 1475777 9002b0e69b3f94831a22d3f2a7735ce2
Architecture independent packages:
http://security.ubuntu.com/ubuntu/pool/main/libc/libcairo/libcairo2-doc=
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Size/MD5: 249090 b47a8a55394e4d80991ee7e113a7319a
amd64 architecture (Athlon64, Opteron, EM64T Xeon):
http://security.ubuntu.com/ubuntu/pool/main/libc/libcairo/libcairo2-dev=
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Size/MD5: 379432 db1755dd03cb6872c8812fb95a70fda6
http://security.ubuntu.com/ubuntu/pool/main/libc/libcairo/libcairo2_1.0=
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Size/MD5: 325784 6aa35609e35bd3e585f9c2d8676c41ed
i386 architecture (x86 compatible Intel/AMD):
http://security.ubuntu.com/ubuntu/pool/main/libc/libcairo/libcairo2-dev=
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Size/MD5: 349960 c7e8786bf619a5b56ccdc52476495e23
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Size/MD5: 306244 a8b8718de3cae9481c414f8f02ba5353
powerpc architecture (Apple Macintosh G3/G4/G5):
http://security.ubuntu.com/ubuntu/pool/main/libc/libcairo/libcairo2-dev=
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Size/MD5: 358940 13a0175de8bc77610a04cba052096d52
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sparc architecture (Sun SPARC/UltraSPARC):
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Updated packages for Ubuntu 6.10:
Source archives:
http://security.ubuntu.com/ubuntu/pool/main/libc/libcairo/libcairo_1.2.=
4-1ubuntu2.2.diff.gz
Size/MD5: 25217 b27d11953aa5ffdb1820ebd03c18c701
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Architecture independent packages:
http://security.ubuntu.com/ubuntu/pool/main/libc/libcairo/libcairo2-doc=
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Size/MD5: 299434 a8124a9014a71d7586d9f4bb45ad1977
amd64 architecture (Athlon64, Opteron, EM64T Xeon):
http://security.ubuntu.com/ubuntu/pool/main/libc/libcairo/libcairo-dire=
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Size/MD5: 146982 7d8afc1573aba11efb65584f7cd5f059
sparc architecture (Sun SPARC/UltraSPARC):
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Size/MD5: 333300 3c780eaba574fbed0bcf1ace23f2df54
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Size/MD5: 369110 e1a57ff50fa5719fbeef537c7cab2b8c
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Size/MD5: 135032 bb15b511c6ba0b5af0d393abf7c1574a
Updated packages for Ubuntu 7.04:
Source archives:
http://security.ubuntu.com/ubuntu/pool/main/libc/libcairo/libcairo_1.4.=
2-0ubuntu1.3.diff.gz
Size/MD5: 29768 4a876d28110b1a3424f13da8203b156a
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http://security.ubuntu.com/ubuntu/pool/main/libc/libcairo/libcairo_1.4.=
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Architecture independent packages:
http://security.ubuntu.com/ubuntu/pool/main/libc/libcairo/libcairo2-doc=
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Size/MD5: 329292 5a2ef8b496d2b39e7c0a30f56a5ec4b2
amd64 architecture (Athlon64, Opteron, EM64T Xeon):
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i386 architecture (x86 compatible Intel/AMD):
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powerpc architecture (Apple Macintosh G3/G4/G5):
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Size/MD5: 498570 11f55dc91143a6d0c23bdcf668ab8329
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Size/MD5: 423184 843707e16edccb864293512f6b39c3b2
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sparc architecture (Sun SPARC/UltraSPARC):
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Updated packages for Ubuntu 7.10:
Source archives:
http://security.ubuntu.com/ubuntu/pool/main/libc/libcairo/libcairo_1.4.=
10-1ubuntu4.4.diff.gz
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Architecture independent packages:
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