Navigation Bar Top Applications Support Documentation Vendors Search Index Top Top

libxml2 stack buffer overflow in URI parsing

Description:

Yuuichi Teranishi reported a crash in libxml2's URI handling when a long URL is supplied. The implementation in nanohttp.c and nanoftp.c uses a 4K stack buffer, and longer URLs will overwrite the stack. This could result in denial-of-service or arbitrary code execution in applications using libxml2 to parse documents.

References:

Affects:

portaudit: libxml2 stack buffer overflow in URI parsing

Disclaimer: The data contained on this page is derived from the VuXML document, please refer to the the original document for copyright information. The author of portaudit makes no claim of authorship or ownership of any of the information contained herein.

If you have found a vulnerability in a FreeBSD port not listed in the database, please contact the FreeBSD Security Officer. Refer to "FreeBSD Security Information" for more information.


Oliver Eikemeier <eik@FreeBSD.org>