7.5CVSSHIGH
Description
Buffer overflow in the Unescape function in common/util/hxurl.cpp and player/hxclientkit/src/CHXClientSink.cpp in Helix Player 1.0.6 and RealPlayer allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a URL argument containing a % (percent) character that is not followed by two hex digits.
CVSS Vector Breakdown
Exploitability
AV:NAccess VectorNetwork
AC:LAccess ComplexityLow
Au:NAuthenticationNone
Impact
C:PConfidentialityPartial
I:PIntegrityPartial
A:PAvailabilityPartial
Weaknesses
Affected Products
Attack Graph
Products CVE Techniques Tactics
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Exploitability
1 exploit source identified
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View exploit detailsMITRE ATT&CK
2 techniques Initial Access
Privilege Escalation
References
http://www.redhat.com/support/errata/RHSA-2010-0094.html
redhat.com
https://helixcommunity.org/viewcvs/common/util/hxurl.cpp?view=log#rev1.24.4.1.4.1
helixcommunity.org
http://lists.helixcommunity.org/pipermail/common-cvs/2007-July/014956.html
lists.helixcommunity.org
and 3 more references View all →
Timeline
Published
Feb 18, 2010
Last Updated
Apr 29, 2026
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