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CVE-2002-0068

38
FAUCET Score

CVE-2002-0068 describes a buffer overflow vulnerability in Squid 2.4 STABLE3 and earlier, affecting Red Hat Linux and Squid installations. An unauthenticated remote attacker can trigger a denial of service (core dump) and potentially execute arbitrary code by supplying a specially crafted ftp:// URL containing an excessive number of special characters that exceed the buffer during URL-escaping. This vulnerability carries a CVSS score of 7.5 (HIGH), indicating a network-based attack with low complexity, leading to potential partial confidentiality, integrity, and availability impacts. While not listed on the KEV catalog or Hot List, an ExploitDB entry (EDB-21297) exists, and the CVE has garnered significant community discussion, suggesting awareness and potential for exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.4_stable_3CPE matchmatch criteria
cpe:2.3:a:squid:squid:*:*:*:*:*:*:*:*
6.2CPE matchmatch criteria
cpe:2.3:o:redhat:linux:6.2:*:alpha:*:*:*:*:*
6.2CPE matchmatch criteria
cpe:2.3:o:redhat:linux:6.2:*:i386:*:*:*:*:*
6.2CPE matchmatch criteria
cpe:2.3:o:redhat:linux:6.2:*:sparc:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:linux:7.0:*:alpha:*:*:*:*:*

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
9.45%
Probability of exploitation in next 30 days
EPSS Percentile
94.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
ExploitDB: EDB-21297 · Feb 21, 2002
This CVE's current EPSS score of 0.0945 is in the 92nd percentile among its peer group of 51,485 CVEs.

Social Chatter

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 Linux 6.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 7.0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 7.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 7.2
View patch

Vendor Advisories (1)

redhatCVE-2002-0068

security flaw

Feb 21, 2002

References

ftp.freebsd.org / pub/FreeBSD/CERT/advisories/FreeBSD-SA-02:12.squid.asc
archives.neohapsis.com / archives/linux/caldera/2002-q1/0014.html
distro.conectiva.com.br / atualizacoes
marc.info
marc.info
marc.info
caldera.com / support/security/advisories/CSSA-2002-010.0.txt
iss.net / security_center/static/8258.php
linux-mandrake.com / en/security/2002/MDKSA-2002-016.php
novell.com / linux/security/advisories/2002_008_squid_txt.html
osvdb.org / 5378
redhat.com / support/errata/RHSA-2002-029.html
PatchVendor Advisory
securityfocus.com / bid/4148
squid-cache.org / Versions/v2/2.4/bugs
Exploit