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CVE-2002-0593

20
FAUCET Score

CVE-2002-0593 describes a buffer overflow vulnerability in Netscape 6 and Mozilla 1.0 RC1 and earlier versions, affecting various Mozilla and Netscape products. This flaw allows a remote attacker to trigger a denial of service (crash) and potentially execute arbitrary code by supplying an excessively long channel name within an IRC URI. With a CVSS score of 7.5, it is considered a high-severity vulnerability, requiring no authentication and having low attack complexity. Despite its age and potential impact, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion, and it is not listed in the CISA KEV catalog.

Impacted Technologies

VendorProductVersion(s)CPE
0.9.9CPE matchmatch criteria
cpe:2.3:a:mozilla:mozilla:0.9.9:*:*:*:*:*:*:*
1.0CPE matchmatch criteria
cpe:2.3:a:mozilla:mozilla:1.0:rc1:*:*:*:*:*:*
6.1CPE matchmatch criteria
cpe:2.3:a:netscape:communicator:6.1:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:a:netscape:navigator:6.0:*:*:*:*:*:*:*
6.01CPE matchmatch criteria
cpe:2.3:a:netscape:navigator:6.01:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.52%
Probability of exploitation in next 30 days
EPSS Percentile
88.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0352 is in the 79th percentile among its peer group of 51,485 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, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux AS (Advanced Server) version 2.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 7.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 7.3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 8.0
View patch

Vendor Advisories (1)

redhatCVE-2002-0593Important

security flaw

Apr 30, 2002

References

distro.conectiva.com.br / atualizacoes
online.securityfocus.com / archive/1/270249
Vendor Advisory
secunia.com / advisories/8039
iss.net / security_center/static/8976.php
securityfocus.com / bid/4637
ExploitPatchVendor Advisory