CVE-2002-0843

Buffer overflows in the ApacheBench benchmark support program (ab.c) in Apache before 1.3.27, and...

7.5 HighFix available

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. Fixed in apache 1.3.26-0woody.

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

21.4%Up 16.1 points since Feb 4, 2022

What each source reports

NVD Score used 7.5

Record: CVE-2002-0843
CVSS 2.0: 7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Updated: 2026-11-02

CVE List No score

Record: CVE-2002-0843
Updated: 2026-11-02

EUVDEUVD-2002-0835 No score

Record: EUVD-2002-0835
Updated: 2026-11-03

GitHub AdvisoriesGHSA-v5cr-9693-q9cg No score

Buffer overflows in the ApacheBench benchmark support program (ab.c) in Apache before 1.3.27, and...

Record: GHSA-v5cr-9693-q9cg
Updated: 2026-11-02

OSVBELL-CVE-2002-0843 7.5

CVE-2002-0843 does not affect BellSoft software

Record: BELL-CVE-2002-0843
CVSS 2.0: 7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`apache` Debian:3.0	before 1.3.26-0woody	1.3.26-0woody
`apache-ssl` Debian:3.0	before 1.3.26.1+1.48-0woody3	1.3.26.1+1.48-0woody3
`apache-perl` Debian:3.0	before 1.3.26-1-1.26-0woody2	1.3.26-1-1.26-0woody2

History

History
When	Changed	Sources
2026-11-03	aliases	EUVD
2026-11-02	created	CVE List, GitHub Advisories, NVD, OSV

References

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