Debian DSA-2394-1 : libxml2 - several vulnerabilities
High Nessus Plugin ID 57702
The remote Debian host is missing a security-related update.
Many security problems have been fixed in libxml2, a popular library to handle XML data files. - CVE-2011-3919 : Juri Aedla discovered a heap-based buffer overflow that allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors. - CVE-2011-0216 : An Off-by-one error have been discovered that allows remote attackers to execute arbitrary code or cause a denial of service. - CVE-2011-2821 : A memory corruption (double free) bug has been identified in libxml2's XPath engine. Through it, it is possible for an attacker to cause a denial of service or possibly have unspecified other impact. This vulnerability does not affect the oldstable distribution (lenny). - CVE-2011-2834 : Yang Dingning discovered a double free vulnerability related to XPath handling. - CVE-2011-3905 : An out-of-bounds read vulnerability had been discovered, which allows remote attackers to cause a denial of service.
Upgrade the libxml2 packages. For the oldstable distribution (lenny), this problem has been fixed in version 2.6.32.dfsg-5+lenny5. For the stable distribution (squeeze), this problem has been fixed in version 2.7.8.dfsg-2+squeeze2.