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Fencer Vulns
critical 9.3

CVE-2005-2922 json

Heap-based buffer overflow in the embedded player in multiple RealNetworks products and versions including RealPlayer 10.x, RealOne Player,…

published 2005-12-31 20 y ago modified 2026-06-16 4 mo ago also EUVD-2005-2922

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.8%
EPSS 5.8% chance of exploitation in 30 days, percentile 93%
public exploits
0
none known

Summary

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.

Patch / fix

  • HelixPlayer RHEL 4 1:1.0.6-0.EL4.1

red hat advisories RHSA-2005:788

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-2005-2922 updated

security flaw

  • Red Hat Desktop version 3 Extras Red Hat Desktop version 4 Extras
    fixed: vendor fix RHSA-2005:762
  • Red Hat Enterprise Linux AS version 4 HelixPlayer 1.0.6-0.EL4.1 Red Hat Enterprise Linux Desktop version 4 HelixPlayer 1.0.6-0.EL4.1 Red Hat Enterprise Linux ES version 4 HelixPlayer 1.0.6-0.EL4.1 Red Hat Enterprise Linux WS version 4 HelixPlayer 1.0.6-0.EL4.1
    fixed: vendor fix RHSA-2005:788

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

Exploit prediction

5.78% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • securityfocus.com http://www.securityfocus.com/bid/17202 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

Classification

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

References

Sources

Fencer Vulns 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.