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Vulnerability record · CVE-2002-0843 · published 11 October 2002

CVE-2002-0843: Apache http server vulnerability

Apache · Http Server

Buffer overflows in the ApacheBench benchmark support program (ab.c) in Apache before 1.3.27, and Apache 2.x before 2.0.43, allow a malicious web server to cause a denial of service and possibly execute arbitrary code via a long response.

7.5 CVSS 2.0 High EPSS 21% · top 2.5%
7.5CVSS 2.0 base score
21%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
56References
16 Jun 2026Last modified by NVD

Description

Buffer overflows in the ApacheBench benchmark support program (ab.c) in Apache before 1.3.27, and Apache 2.x before 2.0.43, allow a malicious web server to cause a denial of service and possibly execute arbitrary code via a long response.

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

Affected products

4 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
ftp://patches.sgi.com/support/free/security/advisories/20021105-01-I
http://archives.neohapsis.com/archives/bugtraq/2002-10/0229.html
http://archives.neohapsis.com/archives/bugtraq/2002-10/0254.html
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000530
http://distro.conectiva.com/atualizacoes/?id=a&anuncio=000530
http://marc.info/?l=apache-httpd-announce&m=103367938230488&w=2
http://marc.info/?l=bugtraq&m=103376585508776&w=2
http://online.securityfocus.com/advisories/4617
http://secunia.com/advisories/21425
http://www-1.ibm.com/support/search.wss?rs=0&q=IY87070&apar=only
http://www.apacheweek.com/issues/02-10-04 Vendor Advisory
http://www.debian.org/security/2002/dsa-187
http://www.debian.org/security/2002/dsa-188
http://www.debian.org/security/2002/dsa-195
http://www.iss.net/security_center/static/10281.php
http://www.linux-mandrake.com/en/security/2002/MDKSA-2002-068.php
http://www.linuxsecurity.com/advisories/other_advisory-2414.html
http://www.securityfocus.com/bid/5887
http://www.securityfocus.com/bid/5995
http://www.securityfocus.com/bid/5996
http://www.vupen.com/english/advisories/2006/3263
http://www14.software.ibm.com/webapp/set2/subscriptions/pqvcmjd?mode=18&ID=2871
https://lists.apache.org/thread.html/r5419c9ba0951ef73a655362403d12bb8d10fab38274deb3f005816f5%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/r5f9c22f9c28adbd9f00556059edc7b03a5d5bb71d4bb80257c0d34e4%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/rd00b45b93fda4a5bd013b28587207d0e00f99f6e3308dbb6025f3b01%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/rf2f0f3611f937cf6cfb3b4fe4a67f69885855126110e1e3f2fb2728e%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org
ftp://patches.sgi.com/support/free/security/advisories/20021105-01-I
http://archives.neohapsis.com/archives/bugtraq/2002-10/0229.html
http://archives.neohapsis.com/archives/bugtraq/2002-10/0254.html
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000530
http://distro.conectiva.com/atualizacoes/?id=a&anuncio=000530
http://marc.info/?l=apache-httpd-announce&m=103367938230488&w=2
http://marc.info/?l=bugtraq&m=103376585508776&w=2
http://online.securityfocus.com/advisories/4617
http://secunia.com/advisories/21425
http://www-1.ibm.com/support/search.wss?rs=0&q=IY87070&apar=only
http://www.apacheweek.com/issues/02-10-04 Vendor Advisory
http://www.debian.org/security/2002/dsa-187

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Source: NIST National Vulnerability Database (record CVE-2002-0843), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.