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Fencer Vulns
critical 9.3

CVE-2007-2263 json

Heap-based buffer overflow in RealNetworks RealPlayer 10.0, 10.1, and possibly 10.5, RealOne Player, and RealPlayer Enterprise allows remot…

published 2007-10-31 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-2258

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
7.3%
EPSS 7.3% chance of exploitation in 30 days, percentile 94%
public exploits
0
none known

Summary

Heap-based buffer overflow in RealNetworks RealPlayer 10.0, 10.1, and possibly 10.5, RealOne Player, and RealPlayer Enterprise allows remote attackers to execute arbitrary code via an SWF (Flash) file with malformed record headers.

Patch / fix

  • RealPlayer RHEL 5 EXTRAS 10.0.9-3.el5
  • realplayer RHEL 3 EXTRAS 10.0.9-0.rhel3.4

red hat advisories RHSA-2007:0841

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-2007-2263 updated

realplayer swf file (flash media) heap overflow

  • Red Hat Desktop version 3 Extras realplayer 10.0.9-0.rhel3.4 Red Hat Enterprise Linux AS version 3 Extras realplayer 10.0.9-0.rhel3.4 Red Hat Enterprise Linux Desktop Supplementary (v. 5) RealPlayer 10.0.9-3.el5 Red Hat Enterprise Linux ES version 3 Extras realplayer 10.0.9-0.rhel3.4 Red Hat Enterprise Linux WS version 3 Extras realplayer 10.0.9-0.rhel3.4
    fixed: vendor fix RHSA-2007:0841

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

7.30% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-08).

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.