CVE-2002-0843
Buffer overflows in the ApacheBench benchmark support program (ab.c) in Apache before 1.3.27, and...
CVE-2002-0843 is a high vulnerability (CVSS 7.5) in Apache Http Server, published October 5, 2002. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 21.4%, the 97th percentile. No source names a fixed version.
- Severity
- 7.5 HighCVSS 2.0, NVD
- Exploit chance
- 21.4%EPSS, 97th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
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.
Exploit likelihood
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
apacheDebian:3.0 From an advisory covering 5 CVEs | before 1.3.26-0woody | 1.3.26-0woody |
apache-sslDebian:3.0 From an advisory covering 5 CVEs | before 1.3.26.1+1.48-0woody3 | 1.3.26.1+1.48-0woody3 |
apache-perlDebian:3.0 From an advisory covering 5 CVEs | before 1.3.26-1-1.26-0woody2 | 1.3.26-1-1.26-0woody2 |
What each source reports
NVD Score used
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.
- Record
CVE-2002-0843- CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE ListNo score
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.
- Record
CVE-2002-0843- Updated
- 2026-11-02
EUVDEUVD-2002-0835No score
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.
- Record
EUVD-2002-0835- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-v5cr-9693-q9cgNo score
Buffer overflows in the ApacheBench benchmark support program (ab.c) in Apache before 1.3.27, and...
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.
- Record
GHSA-v5cr-9693-q9cg- Updated
- 2026-11-02
OSVBELL-CVE-2002-0843
CVE-2002-0843 does not affect BellSoft software
- Record
BELL-CVE-2002-0843- CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
References
debian.org/security/2002/dsa-188
distro.conectiva.com/atualizacoes?id=a&anuncio=000530
marc.info?l=apache-httpd-announce&m=103367938230488&w=2
linuxsecurity.com/advisories/other_advisory-2414.html
securityfocus.com/bid/5996
www-1.ibm.com/support/search.wss?rs=0&q=IY87070&apar=only
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online.securityfocus.com/advisories/4617
vupen.com/english/advisories/2006/3263
archives.neohapsis.com/archives/bugtraq/2002-10/0229.html
apacheweek.com/issues/02-10-04
linux-mandrake.com/en/security/2002/MDKSA-2002-068.php
www14.software.ibm.com/webapp/set2/subscriptions/pqvcmjd?mode=18&ID=2871
distro.conectiva.com.br/atualizacoes?id=a&anuncio=000530
secunia.com/advisories/21425
iss.net/security_center/static/10281.php
lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E
nvd.nist.gov/vuln/detail/CVE-2002-0843
github.com/advisories/GHSA-v5cr-9693-q9cg
docs.bell-sw.com/security/cves/CVE-2002-0843