9.3

CVE-2010-4394: realnetworks realplayer

Modified
Published 14-12-2010Last modified 07-08-2024

Vulnerability summary

CVE-2010-4394 is a high (CVSS 9.3) vulnerability in realnetworks realplayer. EPSS estimates a 3.50% chance of exploitation in the next 30 days, higher than 89.1% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 9.3, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
9.3/10
010
High · v2.0 (NVD)
EPSS score
3.50%
0%100%
Low · -0.07 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 14-12-2010
    PublishedVulnerability first disclosed.
  2. 07-08-2024
    Last modifiedVulnerability information updated.

Description

Heap-based buffer overflow in RealNetworks RealPlayer 11.0 through 11.1 and RealPlayer SP 1.0 through 1.1.5 allows remote web servers to execute arbitrary code via a long Server header in a response to an HTTP request that occurs during parsing of a RealPix file.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

3.50%

Chance of exploitation in the next 30 days

Percentile

89%

Versus all other CVEs

30-day change

Decrease -0.07 pp

From 3.56% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.

Realnetworks2 products
  • realplayer11.0 | 11.0.1 | 11.0.2 | 11.0.3 | 11.0.4 | 11.0.5 | 11.1
  • realplayer_sp1.0.0 | 1.0.1 | 1.0.2 | 1.0.5 | 1.1 | 1.1.1 | 1.1.2 | 1.1.3 | 1.1.4 | 1.1.5

1 vendor · 2 products

References

4 links