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Vulnerability record · CVE-2007-4561 · published 28 August 2007

CVE-2007-4561: Realnetworks helix dna server improper input validation vulnerability

RRealnetworks · Helix Dna Server

Heap-based buffer overflow in the RTSP service in Helix DNA Server before 11.1.4 allows remote attackers to execute arbitrary code via an RSTP command containing multiple Require headers.

10.0 CVSS 2.0 High EPSS 5.5% · top 7.5% CWE-20 · Improper input validationCWE-119 · Memory buffer overflow
10.0CVSS 2.0 base score
5.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
14References
16 Jun 2026Last modified by NVD

Description

Heap-based buffer overflow in the RTSP service in Helix DNA Server before 11.1.4 allows remote attackers to execute arbitrary code via an RSTP command containing multiple Require headers.

AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://labs.musecurity.com/wp-content/uploads/2007/08/mu-200708-01.txt
http://marc.info/?l=full-disclosure&m=118800391412961&w=2
http://secunia.com/advisories/26609
http://securityreason.com/securityalert/3069
http://www.securityfocus.com/bid/25440 Patch
http://www.securitytracker.com/id?1018605
http://www.vupen.com/english/advisories/2007/2986
http://labs.musecurity.com/wp-content/uploads/2007/08/mu-200708-01.txt
http://marc.info/?l=full-disclosure&m=118800391412961&w=2
http://secunia.com/advisories/26609
http://securityreason.com/securityalert/3069
http://www.securityfocus.com/bid/25440 Patch
http://www.securitytracker.com/id?1018605
http://www.vupen.com/english/advisories/2007/2986

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2007-4561), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.