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CVE-2002-1766

21
FAUCET Score

CVE-2002-1766 describes a buffer overflow vulnerability in Netscape Communicator, specifically within the Composer component of Netscape 4.77. This flaw allows a local attacker to overwrite process memory and execute arbitrary code by supplying a specially crafted font tag with an excessively long "face" attribute. With a CVSS score of 4.6, this vulnerability has low attack complexity and requires local access, but can lead to partial compromise of confidentiality, integrity, and availability. While not actively exploited in the wild and not on the KEV catalog, public exploit code exists on ExploitDB, though there is minimal community discussion or media coverage surrounding this older vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
4.77CPE matchmatch criteria
cpe:2.3:a:netscape:communicator:4.77:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.6MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.01%
Probability of exploitation in next 30 days
EPSS Percentile
59.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
ExploitDB: EDB-21544 · Jun 13, 2002
This CVE's current EPSS score of 0.0101 is in the 90th percentile among its peer group of 3,048 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

online.securityfocus.com / archive/1/276876
exchange.xforce.ibmcloud.com / vulnerabilities/9355
securityfocus.com / bid/5010
Exploit