CVE-2002-1766

mediumpriority · track · 28EPSS 0.010 · 63 %ileexploit · functionalEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · functional

Likely / severe?

1.01% (63rd) EPSS

CVSS 4.6 · medium

Is it mine?

2 products

Check your exposure

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-28

Buffer overflow in Composer in Netscape 4.77 allows local users to overwrite process memory and execute arbitrary code via a font tag with a long face attribute.

cvss

Technical severity, 0–10. One row per scoring source.

4.6

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.6mediumAV:L/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 3.9 · impact 6.4

v2.04.1mediumAV:L/AC:L/Au:N/C:P/I:P/A:P/E:POCsecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-119USLLM-inferred

exploits (1)

Public proof-of-concept and weaponised exploit code.

EDB-21544Netscape 4.77 - Composer Font Face Field Buffer Overflowfunctional · exploit_db

affected products (2)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
netscape communicator= 4.77nvdUScpe:2.3:a:netscape:communicator:*:*:*:*:*:*:*:*

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd nvd NVD CVE.org MITRE

published 2002-12-31modified 2026-06-16

references (6)

External citations — patches, advisories, analysis.

scry

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