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CVE-2002-0843

28
FAUCET Score

CVE-2002-0843 describes buffer overflow vulnerabilities in the ApacheBench (ab.c) program within Apache versions prior to 1.3.27 and 2.0.43. This flaw allows a malicious web server to trigger a denial of service or potentially execute arbitrary code on the client system via a crafted, long response. With a CVSS score of 7.5, this vulnerability is easily exploitable over the network with low complexity, potentially leading to partial confidentiality, integrity, and availability compromise. There is no known active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.3CPE matchmatch criteria
cpe:2.3:a:apache:http_server:1.3:*:*:*:*:*:*:*
1.3.1CPE matchmatch criteria
cpe:2.3:a:apache:http_server:1.3.1:*:*:*:*:*:*:*
1.3.3CPE matchmatch criteria
cpe:2.3:a:apache:http_server:1.3.3:*:*:*:*:*:*:*
1.3.4CPE matchmatch criteria
cpe:2.3:a:apache:http_server:1.3.4:*:*:*:*:*:*:*
1.3.6CPE matchmatch criteria
cpe:2.3:a:apache:http_server:1.3.6:*:*:*:*:*:*:*

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
21.42%
Probability of exploitation in next 30 days
EPSS Percentile
97.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.2142 is in the 96th percentile among its peer group of 51,466 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 (11)

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 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
redhatpatch availablevia redhat_api
Product: Red Hat Linux 7.3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 8.0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux Advanced Workstation 2.1
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Stronghold 3
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Stronghold 4
View patch
redhatpatch availablevia redhat_api
Product: Stronghold 4 for Red Hat Enterprise Linux
View patch

Vendor Advisories (1)

redhatCVE-2002-0843Important

security flaw

Oct 3, 2002

References

patches.sgi.com / support/free/security/advisories/20021105-01-I
archives.neohapsis.com / archives/bugtraq/2002-10/0229.html
archives.neohapsis.com / archives/bugtraq/2002-10/0254.html
distro.conectiva.com / atualizacoes
distro.conectiva.com.br / atualizacoes
marc.info
marc.info
online.securityfocus.com / advisories/4617
secunia.com / advisories/21425
lists.apache.org / thread.html/r5419c9ba0951ef73a655362403d12bb8d10fab38274deb3f005816f5%40%3Ccvs.httpd.apache.org%3E
lists.apache.org / thread.html/r5f9c22f9c28adbd9f00556059edc7b03a5d5bb71d4bb80257c0d34e4%40%3Ccvs.httpd.apache.org%3E
lists.apache.org / thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E
lists.apache.org / thread.html/rd00b45b93fda4a5bd013b28587207d0e00f99f6e3308dbb6025f3b01%40%3Ccvs.httpd.apache.org%3E
lists.apache.org / thread.html/rf2f0f3611f937cf6cfb3b4fe4a67f69885855126110e1e3f2fb2728e%40%3Ccvs.httpd.apache.org%3E
lists.apache.org / thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E
www14.software.ibm.com / webapp/set2/subscriptions/pqvcmjd
www-1.ibm.com / support/search.wss
apacheweek.com / issues/02-10-04
Vendor Advisory
debian.org / security/2002/dsa-187
debian.org / security/2002/dsa-188
debian.org / security/2002/dsa-195
iss.net / security_center/static/10281.php
linux-mandrake.com / en/security/2002/MDKSA-2002-068.php
linuxsecurity.com / advisories/other_advisory-2414.html
securityfocus.com / bid/5887
securityfocus.com / bid/5995
securityfocus.com / bid/5996
vupen.com / english/advisories/2006/3263