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Debian Security Advisory DSA 2394-1 (libxml2)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update to libxml2 announced via advisory DSA 2394-1.
Insight
Insight
Many security problems had been fixed in libxml2, a popular library to handle XML data files. CVE-2011-3919: Jüri 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 discoveried 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 to an attacker allows 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. 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. For the testing distribution (wheezy), this problem has been fixed in version 2.7.8.dfsg-7. For the unstable distribution (sid), this problem has been fixed in version 2.7.8.dfsg-7.
Solution
Solution
We recommend that you upgrade your libxml2 packages.