CVE-2001-1421
AOL Instant Messenger (AIM) 4.7 and earlier allows remote attackers to cause a denial of service ...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2001-1421- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2001-1421- Updated
- 2026-11-02
EUVDEUVD-2001-1401 No score
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.
- Record
EUVD-2001-1401- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-w827-crcv-xp2x No score
AOL Instant Messenger (AIM) 4.7 and earlier allows remote attackers to cause a denial of service ...
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.
- Record
GHSA-w827-crcv-xp2x- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2001-1421 is a medium vulnerability (CVSS 5.0) in Aol Instant Messenger, published October 6, 2001. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.42%, the 84th percentile. No source names a fixed version.