A buffer overflow was discovered in gas (the GNU assembler). By tricking an user or automated system (like a compile farm) into assembling a specially crafted source file with gcc or gas, this could be exploited to execute arbitrary code with the user's privileges.

=========================================================== 
Ubuntu Security Notice USN-366-1           October 18, 2006
binutils vulnerability
CVE-2005-4808
==========================================================
A security issue affects the following Ubuntu releases:

Ubuntu 5.10

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 5.10:
  binutils                                 2.16.1-2ubuntu6.3
  binutils-static                          2.16.1-2ubuntu6.3

In general, a standard system upgrade is sufficient to effect the
necessary changes.

Details follow:

A buffer overflow was discovered in gas (the GNU assembler). By
tricking an user or automated system (like a compile farm) into
assembling a specially crafted source file with gcc or gas, this could
be exploited to execute arbitrary code with the user's privileges.


Updated packages for Ubuntu 5.10:

  Source archives:

          Size/MD5:    41663 eb868bd74f535df57afe1cdf6630f5f7
          Size/MD5:      892 2959647799b6a665bea62066279e2ce7
          Size/MD5: 16378360 818bd33cc45bfe3d5b4b2ddf288ecdea

  Architecture independent packages:

          Size/MD5:   459922 3007ff36ccf1f20d02c92684e74862bd

  amd64 architecture (Athlon64, Opteron, EM64T Xeon)

          Size/MD5:  2359216 db2762f982b4a9251f3a9420960c5837
          Size/MD5:  7202118 66c145b29ecba13265c90ff14eee743d
          Size/MD5:   605798 7e84c6ae5c9283b6bbc2519dc5ea045b
          Size/MD5:   632032 95ab22250e577fbfc3a7a93b15ca12e4
          Size/MD5:  1553768 3bb85a70948df7436f59fa69746281d7

  i386 architecture (x86 compatible Intel/AMD)

          Size/MD5:  2219910 7eeebf4b5fd5df9887c7e782375f37c2
          Size/MD5:  6748598 f31d91f437947a96c39cc638c7204bcb
          Size/MD5:   500860 340069f8b292df6cadd2f3b6919ce332
          Size/MD5:   526798 447e3be6be74c1cc6b3210255965c5dd
          Size/MD5:  1470052 efc870689b6d3fd90b9a078670498a5b

  powerpc architecture (Apple Macintosh G3/G4/G5)

          Size/MD5:  2836604 a70cc1fb92e14aa2ba3d141854fef344
          Size/MD5:  8204624 6503f8145c38f0e009236c9625d19538
          Size/MD5:   619148 1beb63b658036d46ae917bd41d7fd2b6
          Size/MD5:   645238 cfe70541d367b7e8345362c10085496f
          Size/MD5:  1653200 dd230b6a61934185aaf084921a1b4df0

  sparc architecture (Sun SPARC/UltraSPARC)

          Size/MD5:  2198844 f1f90a2b1bdc569ee85c467e79a99bd1
          Size/MD5:  7109028 649c2e8ecd95081d61e8f232dc1c7135
          Size/MD5:   622592 254e2d9f860f0cd7c7d316a6d0338aa3
          Size/MD5:   648510 6aac4122fa6848e2dfd5754da7100a76
          Size/MD5:  1494012 aa172404df517bbdef896cffa6bfb59b