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Fencer Intel
high 7.5

CVE-2010-0416 in the critical feed json

Buffer overflow in the Unescape function in common/util/hxurl.cpp and player/hxclientkit/src/CHXClientSink.cpp in Helix Player 1.0.6 and Re…

published 16y ago modified 4mo ago also EUVD-2010-0447

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
11.3%
EPSS 11.3% chance of exploitation in 30 days, percentile 96%
public exploits
1
Exploit-DB

Summary

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.

Patch / fix

  • HelixPlayer RHEL 4 1:1.0.6-1.el4_8.1

red hat advisories RHSA-2010:0094

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2010-0416 updated cvss 5.1

RealPlayer: URL unescape buffer overflow

  • Red Hat Enterprise Linux AS version 4 HelixPlayer 1.0.6-1.el4_8.1 Red Hat Enterprise Linux Desktop version 4 HelixPlayer 1.0.6-1.el4_8.1 Red Hat Enterprise Linux ES version 4 HelixPlayer 1.0.6-1.el4_8.1 Red Hat Enterprise Linux WS version 4 HelixPlayer 1.0.6-1.el4_8.1
    fixed: vendor fix RHSA-2010:0094

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. First public exploit (EDB-33620)
  2. Published

Exploit prediction

11.32% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-33620 Helix Player 11.0.2 - Encoded URI Processing Buffer Overflow remote, 2007-07-03
  • lists.helixcommunity.org http://lists.helixcommunity.org/pipermail/common-cvs/2007-July/014956.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.