Buffer overflow in Apache Http Server
CVE-2006-20001
A carefully crafted If: request header can cause a memory read, or write of a single zero byte, in a pool (heap) memory location beyond the header value sent. This could cause the process to crash. This issue affects Apache HTTP Server 2.4.54 and earlier.
Vulnerability class: Buffer Overflow
EPSS: 0.035 (88.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Apache Http_server
- Apache Software Foundation Http Server — versions 2.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@apache.org (vendor-advisory, Release Notes, Vendor Advisory)
- security@apache.org
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2006-20001?
- CVE-2006-20001 is a high-severity vulnerability in Apache Http Server, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2023-01-17.
- How severe is CVE-2006-20001?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2006-20001 known to be exploited?
- 20 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.