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CVSS: 9.3EPSS: 2%CPEs: 32EXPL: 1

Heap-based buffer overflow in the embedded player in multiple RealNetworks products and versions including RealPlayer 10.x, RealOne Player, and Helix Player allows remote malicious servers to cause a denial of service (crash) and possibly execute arbitrary code via a chunked Transfer-Encoding HTTP response in which either (1) the chunk header length is specified as -1, (2) the chunk header with a length that is less than the actual amount of sent data, or (3) a missing chunk header. • http://secunia.com/advisories/19358 http://secunia.com/advisories/19365 http://securitytracker.com/id?1015808 http://www.kb.cert.org/vuls/id/172489 http://www.novell.com/linux/security/advisories/2006_18_realplayer.html http://www.redhat.com/support/errata/RHSA-2005-762.html http://www.redhat.com/support/errata/RHSA-2005-788.html http://www.securityfocus.com/bid/17202 http://www.service.real.com/realplayer/security/03162006_player/en http://www.vupen.com/english/advisor • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •