It was discovered that specially crafted regular expressions involving codepoints greater than 255 could cause a buffer overflow in the PCRE library (CVE-2008-0674).
For the old stable distribution (sarge), this problem has been fixed in version 4.5+7.4-2.
For the stable distribution (etch), this problem has been fixed in version 6.7+7.4-3.
For the unstable distribution (sid), this problem has been fixed in version 7.6-1.
We recommend that you upgrade your pcre3 package.
MD5 checksums of the listed files are available in the original advisory.