CVE-2007-4561: realnetworks helix_dna_server Improper Input Validation
Vulnerability summary
CVE-2007-4561 is a high (CVSS 10.0) Improper Input Validation vulnerability in realnetworks helix_dna_server. EPSS estimates a 5.51% chance of exploitation in the next 30 days, higher than 92.8% of scored vulnerabilities.
Not severe (CVSS 10, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Timeline
- 28-08-2007PublishedVulnerability first disclosed.
- 07-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
5.51%
Chance of exploitation in the next 30 days
Percentile
93%
Versus all other CVEs
30-day change
No change 0.00 pp
From 5.51% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
- CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary.
Affected systems
Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.
Realnetworks1 product
- helix_dna_server10.0 | 11.0 | 11.1 | 11.1.2 | 11.1.3
1 vendor · 1 product
References
7 links- labs.musecurity.com/wp-content/uploads/2007/08/mu-200708-01.txtX Refsource MISC