CVE-2007-4515Messenger Memory Corruption
Buffer overflow in a certain ActiveX control in YVerInfo.dll before 2007.8.27.1 in the Yahoo!
Published Aug 31, 2007 · Updated Apr 22, 2026
Key Facts
Patch immediately- CVE-2007-4515 is a critical-severity vulnerability (CVSS 9.3 v2) affecting Messenger (Yahoo).
- It is not listed in any known-exploited vulnerabilities catalog. Public exploit code is available.
- EPSS estimates a 33% probability of exploitation in the next 30 days.
- Fixed versions are available, including Messenger 8.1.0.413.
- Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Scores
CVSS v2
9.3
AV:N/AC:M/Au:N/C:C/I:C/A:C
EPSS (30-day exploit likelihood)
33%
Higher than 98.3% of all scored CVEs
Exploit maturity
Weaponized
ATLAS score
55/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Not listed
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Weaponized
Public exploit code
3
Proof-of-concept links
In-the-wild evidence
0
Reports of active use
Advisories And Exploit References
Description
Buffer overflow in a certain ActiveX control in YVerInfo.dll before 2007.8.27.1 in the Yahoo! services suite for Yahoo! Messenger before 8.1.0.419 allows remote attackers to execute arbitrary code via unspecified vectors involving arguments to the (1) fvCom and (2) info methods. NOTE: some of these details are obtained from third party information.
Affected Products
1 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| MessengerYahoo | See advisory | 8.1.0.413 |
Patched Releases
Messenger
8.1.0.413
Timeline
Publicly disclosed
Aug 31, 2007
Last updated
Apr 22, 2026
Weakness Type
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
- patch20070830 Yahoo Messenger YVerInfo.dll ActiveX Multiple Remote Buffer Overflow Vulnerabilities
- patchmessenger.yahoo.com · security_update.php
- patch26579
- exploitMSF yahoomessenger_fvcom.rb
- exploitExploitDB-16522
FAQ
Common Questions.
Buffer overflow in a certain ActiveX control in YVerInfo.dll before 2007.8.27.1 in the Yahoo!
Affected: Messenger (Yahoo). The full list is in the CVE brief.
It is not listed in any known-exploited vulnerabilities catalog.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Messenger 8.1.0.413.
Brandefense priority: patch immediately, because public exploit code exists for a high-severity flaw.
Is CVE-2007-4515 On Your Attack Surface?
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