PUBLISHED DATE: October 6, 2001CVE-2001-1421:
Denial of Service Vulnerability

Description

AOL Instant Messenger (AIM) 4.7 and earlier allows remote attackers to cause a denial of service (application crash) via a large number of different fonts followed by an HTML HR tag.

Products

• AOL Instant Messenger

Questions to Ask Vendors

1. Can you confirm whether your systems are affected by CVE-2001-1421, and if so, what steps are you currently taking to mitigate this vulnerability?
2. What is your estimated timeline for fully resolving CVE-2001-1421 in your products or services, and how will you communicate updates on this issue to us as your customer?

Recommended Actions

• Check out the advisory links provided below.

References

• https://nvd.nist.gov/vuln/detail/CVE-2001-1421