The huft_build function in inflate.c in gzip before 1.3.13 creates a hufts (aka huffman) table that is too small, which allows remote attackers to cause a denial of service (application crash or infinite loop) or possibly execute arbitrary code via a crafted archive. NOTE: this issue is caused by a CVE-2006-4334 regression.
http://article.gmane.org/gmane.comp.gnu.gzip.bugs/258
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=507263
http://git.savannah.gnu.org/cgit/gzip.git/commit/?id=39a362ae9d9b007473381dba5032f4dfc1744cf2
http://lists.apple.com/archives/security-announce/2010//Nov/msg00000.html
http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00009.html
http://secunia.com/advisories/38132
http://secunia.com/advisories/38223
http://secunia.com/advisories/38232
http://support.apple.com/kb/HT4435
http://www.debian.org/security/2010/dsa-1974
http://www.mandriva.com/security/advisories?name=MDVSA-2010:020
http://www.ubuntu.com/usn/USN-889-1