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TITLE:
Libxml2 Two XSLT Double Free Vulnerabilities

SECUNIA ADVISORY ID:
SA46632

VERIFY ADVISORY:
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http://secunia.com/advisories/46632/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=46632

RELEASE DATE:
2011-10-28

DISCUSS ADVISORY:
http://secunia.com/advisories/46632/#comments

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http://secunia.com/advisories/46632/

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https://ca.secunia.com/?page=viewadvisory&vuln_id=46632

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DESCRIPTION:
Two vulnerabilities have been reported in Libxml2, which can be
exploited by malicious people to cause a DoS (Denial of Service) or
potentially compromise an application using the library.

1) A double free error exists in the processing of XPath queries.

For more information, see vulnerability #5 in:
SA45698

2) A double free error exists in the processing of XPath queries.

For more information, see vulnerability #20 in:
SA46049

The vulnerabilities are reported in version 2.7.8. Other versions may
also be affected.

SOLUTION:
Fixed in the GIT repository.

Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

PROVIDED AND/OR DISCOVERED BY:
Yang Dingning from NCNIPC, Graduate University of Chinese Academy of
Sciences.

ORIGINAL ADVISORY:
http://code.google.com/p/chromium/issues/detail?id=89402
http://code.google.com/p/chromium/issues/detail?id=93472

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

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